Crash during "make check"

Markus Mützel <[email protected]>
Newsgroups gmane.comp.gnu.octave.maintainers
Message-ID <trinity-e7f0ac16-1be3-40fc-95e8-820a5acbbfcb-1595078006454@3c-app-gmx-bap70>
Octave (hg id 6310bb807752) crashed during "make check" for which I managed to save core dump.

I am attaching gdb's output for "thread apply all bt".

IIUC, all threads for which there are symbols were waiting when Octave crashed. One thread seems to execute functions in libgomp. Some other threads seem to be JVM related.
To be honest, I am not sure what to make out of this. And I don't know if this is any helpful.

Any hints on what to do with this would be appreciated.

Markus
octave_crash_bt.log (application/octet-stream, 72.4 KB)
(gdb) thread apply all bt

Thread 45 (Thread 0x7fb55ce69700 (LWP 27759)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:54
#1  0x00007fb5694bc80d in __GI___close (fd=36) at ../sysdeps/unix/sysv/linux/close.c:27
#2  0x00007fb56a6e8489 in octave_close_wrapper (fd=<optimized out>) at ../liboctave/wrappers/unistd-wrappers.c:98
#3  0x00007fb56b98bb14 in octave_procbuf::open(char const*, int) (this=this@entry=0x7fb4941940c8, command=command@entry=0x7fb494195dc0 "makeinfo --no-headers --no-warn --no-validate --plaintext --output=- \"/tmp/octave-help-7EjtGD\"", mode=mode@entry=8) at ../libinterp/corefcn/oct-procbuf.cc:155
#4  0x00007fb56ba19451 in procstreambase::procstreambase(char const*, int) (this=0x7fb4941940c0, __vtt_parm=<optimized out>, command=0x7fb494195dc0 "makeinfo --no-headers --no-warn --no-validate --plaintext --output=- \"/tmp/octave-help-7EjtGD\"", mode=8, __in_chrg=<optimized out>) at ../libinterp/corefcn/procstream.cc:46
#5  0x00007fb56bac4842 in iprocstream::iprocstream(char const*, int) (mode=8, name=0x7fb494195dc0 "makeinfo --no-headers --no-warn --no-validate --plaintext --output=- \"/tmp/octave-help-7EjtGD\"", this=0x7fb4941940b0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/include/c++/9/istream:93
#6  run_command_and_return_output (cmd_str="makeinfo --no-headers --no-warn --no-validate --plaintext --output=- \"/tmp/octave-help-7EjtGD\"") at ../libinterp/corefcn/toplev.cc:109
#7  Fsystem(octave_value_list const&, int) (args=..., nargout=<optimized out>) at ../libinterp/corefcn/toplev.cc:295
#8  0x00007fb56b31028d in octave_builtin::execute(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c0bed30, tw=..., nargout=2, args=...) at ../libinterp/octave-value/ov-builtin.cc:59
#9  0x00007fb56b376712 in octave_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c0bed30, tw=..., nargout=2, args=...) at ../libinterp/octave-value/ov-fcn.cc:57
#10 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c5b0210, tw=..., nargout=2) at ../libinterp/parse-tree/pt-idx.cc:531
#11 0x00007fb56b4cd1c9 in octave::tree_multi_assignment::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c5b0480, tw=...) at ../libinterp/parse-tree/pt-assign.cc:201
#12 0x00007fb56b4cfc60 in octave::tree_multi_assignment::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-assign.h:163
#13 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#14 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c5b0440) at ../libinterp/parse-tree/pt-stmt.h:124
#15 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#16 0x00007fb56b4e673b in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=<optimized out>) at ../libinterp/parse-tree/pt-stmt.h:201
#17 octave::tree_evaluator::visit_unwind_protect_command(octave::tree_unwind_protect_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:3466
#18 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#19 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c5a8d70) at ../libinterp/parse-tree/pt-stmt.h:124
#20 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#21 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c64c9b0) at ../libinterp/parse-tree/pt-stmt.h:201
#22 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=2, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#23 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=2, tw=..., this=0x7fb54c61da50) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#24 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c61da50, tw=..., nargout=2, args=...) at ..----Type--Type--Type <RET> for more, q to quit, c to continue wi--Type <R--Type <RET> for more, q--Type <RET> for mo--Ty--Type <RET> for more, q to quit, c to continue without paging--c
/libinterp/octave-value/ov-usr-fcn.cc:489
#25 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c6cb550, tw=..., nargout=2) at ../libinterp/parse-tree/pt-idx.cc:531
#26 0x00007fb56b4cd1c9 in octave::tree_multi_assignment::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c709a20, tw=...) at ../libinterp/parse-tree/pt-assign.cc:201
#27 0x00007fb56b4cfc60 in octave::tree_multi_assignment::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-assign.h:163
#28 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#29 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c6cb7a0) at ../libinterp/parse-tree/pt-stmt.h:124
#30 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#31 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c6b5270) at ../libinterp/parse-tree/pt-stmt.h:201
#32 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=2, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#33 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=2, tw=..., this=0x7fb54c709be0) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#34 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c709be0, tw=..., nargout=2, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#35 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c6d61d0, tw=..., nargout=2) at ../libinterp/parse-tree/pt-idx.cc:531
#36 0x00007fb56b4cd1c9 in octave::tree_multi_assignment::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c6d6460, tw=...) at ../libinterp/parse-tree/pt-assign.cc:201
#37 0x00007fb56b4cfc60 in octave::tree_multi_assignment::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-assign.h:163
#38 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#39 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c6d6420) at ../libinterp/parse-tree/pt-stmt.h:124
#40 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#41 0x00007fb56b4e9cdb in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=<optimized out>) at ../libinterp/parse-tree/pt-stmt.h:201
#42 octave::tree_evaluator::visit_switch_command(octave::tree_switch_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:3288
#43 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#44 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c6d4f90) at ../libinterp/parse-tree/pt-stmt.h:124
#45 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#46 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c5d2630) at ../libinterp/parse-tree/pt-stmt.h:201
#47 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=0, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#48 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=0, tw=..., this=0x7fb54c6f1c30) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#49 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c6f1c30, tw=..., nargout=0, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#50 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c884900, tw=..., nargout=0) at ../libinterp/parse-tree/pt-idx.cc:531
#51 0x00007fb56b4fdef0 in octave::tree_index_expression::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-idx.h:109
#52 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#53 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c9e2800) at ../libinterp/parse-tree/pt-stmt.h:124
#54 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#55 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#56 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c85a590) at ../libinterp/parse-tree/pt-stmt.h:124
#57 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#58 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54caa21d0) at ../libinterp/parse-tree/pt-stmt.h:201
#59 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=0, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#60 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=0, tw=..., this=0x7fb54c9839c0) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#61 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c9839c0, tw=..., nargout=0, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#62 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb494187120, tw=..., nargout=0) at ../libinterp/parse-tree/pt-idx.cc:531
#63 0x00007fb56b4fdef0 in octave::tree_index_expression::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-idx.h:109
#64 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#65 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb494195980) at ../libinterp/parse-tree/pt-stmt.h:124
#66 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#67 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb4941a1090) at ../libinterp/parse-tree/pt-stmt.h:201
#68 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=0, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#69 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=0, tw=..., this=0x7fb494186240) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#70 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb494186240, tw=..., nargout=0, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#71 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb494130140, tw=..., nargout=0) at ../libinterp/parse-tree/pt-idx.cc:531
#72 0x00007fb56b4e064c in octave::tree_evaluator::eval_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, int&, int) (this=0x7fb54c003770, eval_str=..., silent=false, parse_status=<optimized out>, nargout=0) at ../libinterp/parse-tree/pt-eval.cc:507
#73 0x00007fb56b4e0bba in octave::tree_evaluator::eval(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int) (this=this@entry=0x7fb54c003770, try_code="__test__( );", nargout=nargout@entry=0) at ../libinterp/parse-tree/pt-eval.cc:566
#74 0x00007fb56b8d0c19 in octave::interpreter::eval(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int) (this=this@entry=0x7fb54c0029e0, try_code="__test__( );", nargout=nargout@entry=0) at ../libinterp/corefcn/interpreter.cc:1456
#75 0x00007fb56b4a8289 in Feval(octave::interpreter&, octave_value_list const&, int) (interp=..., args=..., nargout=0) at ../libinterp/parse-tree/oct-parse.yy:5609
#76 0x00007fb56b31060d in octave_builtin::execute(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c032ad0, tw=..., nargout=0, args=...) at ../libinterp/octave-value/ov-builtin.cc:65
#77 0x00007fb56b376712 in octave_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c032ad0, tw=..., nargout=0, args=...) at ../libinterp/octave-value/ov-fcn.cc:57
#78 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c2a3220, tw=..., nargout=0) at ../libinterp/parse-tree/pt-idx.cc:531
#79 0x00007fb56b4fdef0 in octave::tree_index_expression::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-idx.h:109
#80 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#81 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2a3670) at ../libinterp/parse-tree/pt-stmt.h:124
#82 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#83 0x00007fb56b4e5f24 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2a36b0) at ../libinterp/parse-tree/pt-stmt.h:201
#84 octave::tree_evaluator::visit_try_catch_command(octave::tree_try_catch_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:3324
#85 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#86 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2c1080) at ../libinterp/parse-tree/pt-stmt.h:124
#87 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#88 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#89 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c207360) at ../libinterp/parse-tree/pt-stmt.h:124
#90 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#91 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#92 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2936e0) at ../libinterp/parse-tree/pt-stmt.h:124
#93 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#94 0x00007fb56b4e673b in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=<optimized out>) at ../libinterp/parse-tree/pt-stmt.h:201
#95 octave::tree_evaluator::visit_unwind_protect_command(octave::tree_unwind_protect_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:3466
#96 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#97 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c3297d0) at ../libinterp/parse-tree/pt-stmt.h:124
#98 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#99 0x00007fb56b4e8e79 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2c4b00) at ../libinterp/parse-tree/pt-stmt.h:201
#100 octave::tree_evaluator::visit_simple_for_command(octave::tree_simple_for_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:2542
#101 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#102 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c329860) at ../libinterp/parse-tree/pt-stmt.h:124
#103 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#104 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c282690) at ../libinterp/parse-tree/pt-stmt.h:201
#105 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=7, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#106 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=7, tw=..., this=0x7fb54c240360) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#107 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c240360, tw=..., nargout=7, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#108 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c2925f0, tw=..., nargout=7) at ../libinterp/parse-tree/pt-idx.cc:531
#109 0x00007fb56b4cd1c9 in octave::tree_multi_assignment::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c28e380, tw=...) at ../libinterp/parse-tree/pt-assign.cc:201
#110 0x00007fb56b4cfc60 in octave::tree_multi_assignment::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-assign.h:163
#111 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#112 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c28e340) at ../libinterp/parse-tree/pt-stmt.h:124
#113 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#114 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#115 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c168170) at ../libinterp/parse-tree/pt-stmt.h:124
#116 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#117 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#118 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c168310) at ../libinterp/parse-tree/pt-stmt.h:124
#119 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#120 0x00007fb56b4e8e79 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c31ea40) at ../libinterp/parse-tree/pt-stmt.h:201
#121 octave::tree_evaluator::visit_simple_for_command(octave::tree_simple_for_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:2542
#122 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#123 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c305600) at ../libinterp/parse-tree/pt-stmt.h:124
#124 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#125 0x00007fb56b4e673b in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=<optimized out>) at ../libinterp/parse-tree/pt-stmt.h:201
#126 octave::tree_evaluator::visit_unwind_protect_command(octave::tree_unwind_protect_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:3466
#127 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#128 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2830f0) at ../libinterp/parse-tree/pt-stmt.h:124
#129 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#130 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2c0480) at ../libinterp/parse-tree/pt-stmt.h:201
#131 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=7, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#132 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=7, tw=..., this=0x7fb54c18cf30) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#133 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c18cf30, tw=..., nargout=7, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#134 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c3aa0d0, tw=..., nargout=7) at ../libinterp/parse-tree/pt-idx.cc:531
#135 0x00007fb56b4cd1c9 in octave::tree_multi_assignment::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c366780, tw=...) at ../libinterp/parse-tree/pt-assign.cc:201
#136 0x00007fb56b4cfc60 in octave::tree_multi_assignment::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-assign.h:163
#137 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#138 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c366740) at ../libinterp/parse-tree/pt-stmt.h:124
#139 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#140 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#141 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c372170) at ../libinterp/parse-tree/pt-stmt.h:124
#142 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#143 0x00007fb56b4e8e79 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2177c0) at ../libinterp/parse-tree/pt-stmt.h:201
#144 octave::tree_evaluator::visit_simple_for_command(octave::tree_simple_for_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:2542
#145 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#146 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c372270) at ../libinterp/parse-tree/pt-stmt.h:124
#147 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#148 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c2c0480) at ../libinterp/parse-tree/pt-stmt.h:201
#149 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=7, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#150 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=7, tw=..., this=0x7fb54c18cf30) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#151 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c18cf30, tw=..., nargout=7, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#152 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c36c3e0, tw=..., nargout=7) at ../libinterp/parse-tree/pt-idx.cc:531
#153 0x00007fb56b4cd1c9 in octave::tree_multi_assignment::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c378bc0, tw=...) at ../libinterp/parse-tree/pt-assign.cc:201
#154 0x00007fb56b4cfc60 in octave::tree_multi_assignment::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-assign.h:163
#155 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#156 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c378b80) at ../libinterp/parse-tree/pt-stmt.h:124
#157 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#158 0x00007fb56b4e8e79 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c380350) at ../libinterp/parse-tree/pt-stmt.h:201
#159 octave::tree_evaluator::visit_simple_for_command(octave::tree_simple_for_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:2542
#160 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#161 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c297320) at ../libinterp/parse-tree/pt-stmt.h:124
#162 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#163 0x00007fb56b4e5f24 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c3b0fa0) at ../libinterp/parse-tree/pt-stmt.h:201
#164 octave::tree_evaluator::visit_try_catch_command(octave::tree_try_catch_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:3324
#165 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#166 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c394290) at ../libinterp/parse-tree/pt-stmt.h:124
#167 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#168 0x00007fb56b4e673b in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=<optimized out>) at ../libinterp/parse-tree/pt-stmt.h:201
#169 octave::tree_evaluator::visit_unwind_protect_command(octave::tree_unwind_protect_command&) (this=0x7fb54c003770, cmd=...) at ../libinterp/parse-tree/pt-eval.cc:3466
#170 0x00007fb56b4e959d in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3131
#171 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c29bca0) at ../libinterp/parse-tree/pt-stmt.h:124
#172 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#173 0x00007fb56b4e2c95 in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c302d20) at ../libinterp/parse-tree/pt-stmt.h:201
#174 octave::tree_evaluator::execute_user_function(octave_user_function&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_function=..., nargout=nargout@entry=0, xargs=...) at ../libinterp/parse-tree/pt-eval.cc:2893
#175 0x00007fb56b4022f2 in octave_user_function::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=0, tw=..., this=0x7fb54c102ef0) at ../libinterp/octave-value/ov-usr-fcn.cc:496
#176 octave_user_function::call(octave::tree_evaluator&, int, octave_value_list const&) (this=0x7fb54c102ef0, tw=..., nargout=0, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:489
#177 0x00007fb56b4fbcd9 in octave::tree_index_expression::evaluate_n(octave::tree_evaluator&, int) (this=0x7fb54c1a67b0, tw=..., nargout=0) at ../libinterp/parse-tree/pt-idx.cc:531
#178 0x00007fb56b4fdef0 in octave::tree_index_expression::evaluate(octave::tree_evaluator&, int) (this=<optimized out>, tw=..., nargout=<optimized out>) at ../libinterp/parse-tree/pt-idx.h:109
#179 0x00007fb56b4e9621 in octave::tree_evaluator::visit_statement(octave::tree_statement&) (this=0x7fb54c003770, stmt=...) at ../libinterp/parse-tree/pt-eval.cc:3154
#180 0x00007fb56b4d84c8 in octave::tree_statement::accept(octave::tree_walker&) (tw=..., this=0x7fb54c1a6940) at ../libinterp/parse-tree/pt-stmt.h:124
#181 octave::tree_evaluator::visit_statement_list(octave::tree_statement_list&) (this=0x7fb54c003770, lst=...) at ../libinterp/parse-tree/pt-eval.cc:3213
#182 0x00007fb56b4dadfe in octave::tree_statement_list::accept(octave::tree_walker&) (tw=..., this=0x7fb54c1a7db0) at ../libinterp/parse-tree/pt-stmt.h:201
#183 octave::tree_evaluator::execute_user_script(octave_user_script&, int, octave_value_list const&) (this=this@entry=0x7fb54c003770, user_script=..., nargout=nargout@entry=0, args=...) at ../libinterp/parse-tree/pt-eval.cc:2744
#184 0x00007fb56b400af4 in octave_user_script::execute(octave::tree_evaluator&, int, octave_value_list const&) (args=..., nargout=0, tw=..., this=0x7fb54c134610) at ../libinterp/octave-value/ov-usr-fcn.cc:196
#185 octave_user_script::call(octave::tree_evaluator&, int, octave_value_list const&) (this=this@entry=0x7fb54c134610, tw=..., nargout=nargout@entry=0, args=...) at ../libinterp/octave-value/ov-usr-fcn.cc:189
#186 0x00007fb56b4eb396 in octave::tree_evaluator::source_file(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool) (this=this@entry=0x7fb54c003770, file_name="/home/osboxes/Documents/Repositories/Octave/octave-1/.build/../test/fntests.m", context="", verbose=verbose@entry=false, require_file=require_file@entry=true) at /usr/include/c++/9/bits/atomic_base.h:539
#187 0x00007fb56b8d0f07 in octave::interpreter::source_file(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool) (this=this@entry=0x7fb54c0029e0, file_name="/home/osboxes/Documents/Repositories/Octave/octave-1/.build/../test/fntests.m", context="", verbose=verbose@entry=false, require_file=require_file@entry=true) at ../libinterp/corefcn/interpreter.cc:1654
#188 0x00007fb56b4ac79a in octave::source_file(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool) (file_name="/home/osboxes/Documents/Repositories/Octave/octave-1/.build/../test/fntests.m", context="", verbose=verbose@entry=false, require_file=require_file@entry=true) at ../libinterp/parse-tree/oct-parse.yy:5365
#189 0x00007fb56b8d1368 in octave::safe_source_file(std::string const&, std::string const&, bool, bool) (file_name="/home/osboxes/Documents/Repositories/Octave/octave-1/.build/../test/fntests.m", context="", verbose=<optimized out>, require_file=<optimized out>) at ../libinterp/corefcn/interpreter.cc:348
#190 0x00007fb56b8d6a99 in octave::interpreter::execute_command_line_file() (this=<optimized out>) at ../libinterp/corefcn/interpreter.cc:1170
#191 0x00007fb56b8da58f in octave::interpreter::execute() (this=this@entry=0x7fb54c0029e0) at ../libinterp/corefcn/interpreter.cc:794
#192 0x00007fb56c07510a in octave::interpreter_qobject::execute() (this=0x56468c3f1760) at ../libgui/src/interpreter-qobject.cc:87
#193 0x00007fb567b9dd5a in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#194 0x00007fb56858ba66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#195 0x00007fb5685950f0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#196 0x00007fb56c0bbcfb in octave::octave_qapplication::notify(QObject*, QEvent*) (this=0x56468c223ee0, receiver=<optimized out>, ev=<optimized out>) at ../libgui/src/octave-qobject.cc:132
#197 0x00007fb567b7193a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#198 0x00007fb567b745b8 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#199 0x00007fb567bc9f67 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#200 0x00007fb565177fbd in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#201 0x00007fb565178240 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#202 0x00007fb5651782e3 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#203 0x00007fb567bc9565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#204 0x00007fb567b704db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#205 0x00007fb5679a8785 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#206 0x00007fb5679a99d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#207 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#208 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 44 (Thread 0x7fb530e37700 (LWP 28567)):
#0  0x00007fb53d44763a in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#1  0x00007fb53d449eef in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#2  0x00007fb53d59bc9a in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#3  0x00007fb53d59c2c6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7fb55e267700 (LWP 27756)):
#0  0x00007fb5694c096f in __GI___poll (fds=0x56468c381400, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb5651781ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb565178533 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb55eff3eda in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fb5651a1931 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 42 (Thread 0x7fb4c316a700 (LWP 29038)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4fd420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4fd3d0, cond=0x56468c4fd3f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4fd3f8, mutex=0x56468c4fd3d0) at pthread_cond_wait.c:638
#3  0x00007fb4cf08b21b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08b19b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7fb4c2969700 (LWP 29039)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4fd420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4fd3d0, cond=0x56468c4fd3f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4fd3f8, mutex=0x56468c4fd3d0) at pthread_cond_wait.c:638
#3  0x00007fb4cf08b21b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08b19b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fb56176ab80 (LWP 27619)):
#0  0x00007fb5694c096f in __GI___poll (fds=0x56468c6a4730, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb5651781ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb5651782e3 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb567bc9565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb567b704db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb567b78246 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb56c0c693d in octave::qt_application::execute() (this=0x7fff371d37e0) at ../libgui/src/qt-application.cc:73
#7  0x000056468a2f34e9 in main(int, char**) (argc=15, argv=0x7fff371d3b18) at ../src/main-gui.cc:106

Thread 39 (Thread 0x7fb4c1768700 (LWP 29048)):
#0  0x00007fb56632f14e in  () at /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb56632c758 in  () at /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#3  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fb4ce981700 (LWP 29032)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4f234c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4f22f8, cond=0x56468c4f2320) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4f2320, mutex=0x56468c4f22f8) at pthread_cond_wait.c:638
#3  0x00007fb4cf08dad3 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08d93b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fb5457fa700 (LWP 27998)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54d380d20) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54d380d20, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54d380d20, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb565f5a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#4  0x00007fb565f5a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fb545ffb700 (LWP 27997)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54d3779c0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54d3779c0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54d3779c0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb56616a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#4  0x00007fb56616a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fb5477fe700 (LWP 27992)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54d4575a0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54d4575a0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54d4575a0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb56616a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#4  0x00007fb56616a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fb53c611700 (LWP 28562)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54f7a3f60) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54f7a3f60, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54f7a3f60, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb53d45414a in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d5c1589 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d5c0481 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fb53062e700 (LWP 28575)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb530626870, clockid=<optimized out>, expected=0, futex_word=0x7fb50c21ca78) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb530626870, clockid=<optimized out>, mutex=0x7fb50c21ca28, cond=0x7fb50c21ca50) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fb50c21ca50, mutex=0x7fb50c21ca28, abstime=0x7fb530626870) at pthread_cond_wait.c:656
#3  0x00007fb53d39c666 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f6f9 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d350149 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d51f429 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53d51f4cd in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fb53ffff700 (LWP 28000)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb540000900) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb540000900, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb540000900, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb56616a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#4  0x00007fb56616a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fb533a3f700 (LWP 28563)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fb54fbd4a7c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fb54fbd4a28, cond=0x7fb54fbd4a50) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fb54fbd4a50, mutex=0x7fb54fbd4a28) at pthread_cond_wait.c:638
#3  0x00007fb53d39eddb in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f638 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d350149 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53cf2a9db in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53ce014ca in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fb55ea68700 (LWP 27755)):
#0  0x00007fb5694c096f in __GI___poll (fds=0x56468c36f150, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb5651781ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb5651782e3 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb565178331 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb5651a1931 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fb53f7fe700 (LWP 28001)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb538000900) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb538000900, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb538000900, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb56616a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#4  0x00007fb56616a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fb530c34700 (LWP 28569)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fb50c1c457c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fb50c1c4528, cond=0x7fb50c1c4550) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fb50c1c4550, mutex=0x7fb50c1c4528) at pthread_cond_wait.c:638
#3  0x00007fb53d39eddb in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d3703a5 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d4e8076 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d0d37ea in JVM_MonitorWait () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb51491c970 in  ()
#8  0x00007fb530c2c470 in  ()
#9  0x00000000000000b6 in  ()
#10 0x00007fb50c1c3000 in  ()
#11 0x00007fb530c2c418 in  ()
#12 0x0000000000000000 in  ()

Thread 27 (Thread 0x7fb53effd700 (LWP 28002)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54d37e120) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54d37e120, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54d37e120, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb565f5a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#4  0x00007fb565f5a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fb53052c700 (LWP 28576)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb5305241c0, clockid=<optimized out>, expected=0, futex_word=0x7fb50c21f078) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb5305241c0, clockid=<optimized out>, mutex=0x7fb50c21f028, cond=0x7fb50c21f050) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fb50c21f050, mutex=0x7fb50c21f028, abstime=0x7fb5305241c0) at pthread_cond_wait.c:656
#3  0x00007fb53d39c666 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d36fc78 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d4e8076 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d0d37ea in JVM_MonitorWait () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb51491c970 in  ()
#8  0x0000000000000000 in  ()

Thread 25 (Thread 0x7fb53183b700 (LWP 28565)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fb50c04d87c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fb50c04d828, cond=0x7fb50c04d850) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fb50c04d850, mutex=0x7fb50c04d828) at pthread_cond_wait.c:638
#3  0x00007fb53d39eddb in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f638 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d350149 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53cf2d574 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53ce014ca in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fb53393d700 (LWP 28564)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54fbd50f0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54fbd50f0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54fbd50f0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb53d45414a in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d5c1589 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d5c0481 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fb4cd17e700 (LWP 29035)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4f276c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4f2718, cond=0x56468c4f2740) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4f2740, mutex=0x56468c4f2718) at pthread_cond_wait.c:638
#3  0x00007fb4cf08dad3 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08d93b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fb530b33700 (LWP 28570)):
#0  0x00007fb5694ce0df in __libc_accept (fd=27, addr=..., len=0x7fb530b2b80c) at ../sysdeps/unix/sysv/linux/accept.c:26
#1  0x00007fb53cc2926f in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#2  0x00007fb53cc293f7 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#3  0x00007fb53cc27f89 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d528d3f in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fb531739700 (LWP 28566)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb531731880, clockid=<optimized out>, expected=0, futex_word=0x7fb50c04f678) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb531731880, clockid=<optimized out>, mutex=0x7fb50c04f628, cond=0x7fb50c04f650) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fb50c04f650, mutex=0x7fb50c04f628, abstime=0x7fb531731880) at pthread_cond_wait.c:656
#3  0x00007fb53d39c666 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f6f9 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d350149 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53cf74509 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53ce014ca in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fb4c396b700 (LWP 29037)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4fd420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4fd3d0, cond=0x56468c4fd3f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4fd3f8, mutex=0x56468c4fd3d0) at pthread_cond_wait.c:638
#3  0x00007fb4cf08b21b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08b19b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fb4cc97d700 (LWP 29036)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4fd420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4fd3d0, cond=0x56468c4fd3f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4fd3f8, mutex=0x56468c4fd3d0) at pthread_cond_wait.c:638
#3  0x00007fb4cf08b21b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08b19b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fb5605c7700 (LWP 27754)):
#0  0x00007fb5694c096f in __GI___poll (fds=0x7fb5605bf928, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb5642d1c1a in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb5642d390a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb561054298 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fb5679a99d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fb53072f700 (LWP 28574)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fb50c21a57c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fb50c21a528, cond=0x7fb50c21a550) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fb50c21a550, mutex=0x7fb50c21a528) at pthread_cond_wait.c:638
#3  0x00007fb53d39eddb in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f638 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d350149 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d454971 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53d528d3f in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fb4abfff700 (LWP 29050)):
#0  0x00007fb56632f14e in  () at /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb56632c758 in  () at /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#3  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fb4cd97f700 (LWP 29034)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4f260c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4f25b8, cond=0x56468c4f25e0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4f25e0, mutex=0x56468c4f25b8) at pthread_cond_wait.c:638
#3  0x00007fb4cf08dad3 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08d93b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fb53e3e5700 (LWP 28583)):
#0  0x00007fb5694c096f in __GI___poll (fds=0x7fb50c405760, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb5651781ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb5651782e3 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb53c05299d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007fb5651a1931 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fb4ce180700 (LWP 29033)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56468c4f24ac) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56468c4f2458, cond=0x56468c4f2480) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56468c4f2480, mutex=0x56468c4f2458) at pthread_cond_wait.c:638
#3  0x00007fb4cf08dad3 in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb4cf08d93b in  () at /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fb546ffd700 (LWP 27993)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54d374620) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54d374620, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54d374620, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb565f5a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#4  0x00007fb565f5a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fb55d822700 (LWP 27757)):
#0  0x00007fb5694c096f in __GI___poll (fds=0x7fb54800f2d0, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb5651781ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb5651782e3 in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb567bc9565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fb567b704db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fb5679a8785 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb560f57efa in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fb5679a99d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fb5148a8700 (LWP 28584)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fb50c298278) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fb50c298228, cond=0x7fb50c298250) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fb50c298250, mutex=0x7fb50c298228) at pthread_cond_wait.c:638
#3  0x00007fb53d39eddb in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d3703a5 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d4e8076 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d0d37ea in JVM_MonitorWait () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb51491c970 in  ()
#8  0x0000000000000002 in  ()
#9  0x000000084005a788 in  ()
#10 0x00007fb531176e40 in  ()
#11 0x00007fb5148a03b8 in  ()
#12 0x0000000000000000 in  ()

Thread 9 (Thread 0x7fb4c0f67700 (LWP 29049)):
#0  0x00007fb56632f14e in  () at /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb56632c758 in  () at /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#3  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fb530830700 (LWP 28573)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb530828860, clockid=<optimized out>, expected=0, futex_word=0x7fb50c1ce778) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb530828860, clockid=<optimized out>, mutex=0x7fb50c1ce728, cond=0x7fb50c1ce750) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fb50c1ce750, mutex=0x7fb50c1ce728, abstime=0x7fb530828860) at pthread_cond_wait.c:656
#3  0x00007fb53d39c666 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f6f9 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d350149 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d4dfd80 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53d528d3f in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb530931700 (LWP 28572)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb530929750, clockid=<optimized out>, expected=0, futex_word=0x7fb50c1cc67c) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb530929750, clockid=<optimized out>, mutex=0x7fb50c1cc628, cond=0x7fb50c1cc650) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fb50c1cc650, mutex=0x7fb50c1cc628, abstime=0x7fb530929750) at pthread_cond_wait.c:656
#3  0x00007fb53d39c666 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f6f9 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d35024e in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53cdeb111 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53cdee0bf in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d528d3f in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#11 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb547fff700 (LWP 27760)):
#0  0x00007fb5693f2322 in __GI___sigtimedwait (set=set@entry=0x7fb56a98cb60 <sigmask>, info=info@entry=0x7fb547ff79e0, timeout=timeout@entry=0x0) at ../sysdeps/unix/sysv/linux/sigtimedwait.c:29
#1  0x00007fb5693f16ac in __GI___sigwait (set=set@entry=0x7fb56a98cb60 <sigmask>, sig=sig@entry=0x7fb547ff7a94) at ../sysdeps/unix/sysv/linux/sigwait.c:28
#2  0x00007fb56a6e74c1 in signal_watcher (arg=0x7fb56ba4f550 <octave::generic_sig_handler(int)>) at ../liboctave/wrappers/signal-wrappers.c:697
#3  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb530a32700 (LWP 28571)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fb530a2a750, clockid=<optimized out>, expected=0, futex_word=0x7fb50c1ca378) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fb530a2a750, clockid=<optimized out>, mutex=0x7fb50c1ca328, cond=0x7fb50c1ca350) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fb50c1ca350, mutex=0x7fb50c1ca328, abstime=0x7fb530a2a750) at pthread_cond_wait.c:656
#3  0x00007fb53d39c666 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f6f9 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d35024e in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53cdeb111 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb53cdee0bf in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#8  0x00007fb53d528d3f in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#9  0x00007fb53d525610 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#10 0x00007fb53d3955e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#11 0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb530d35700 (LWP 28568)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fb50c1c277c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fb50c1c2728, cond=0x7fb50c1c2750) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fb50c1c2750, mutex=0x7fb50c1c2728) at pthread_cond_wait.c:638
#3  0x00007fb53d39eddb in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#4  0x00007fb53d34f638 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#5  0x00007fb53d35024e in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#6  0x00007fb53d0db3b6 in JVM_WaitForReferencePendingList () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#7  0x00007fb51491c970 in  ()
#8  0x00007fb51491c676 in  ()
#9  0x00007fb530d2d4d8 in  ()
#10 0x00000008005170f8 in  ()
#11 0x00007fb530d2d538 in  ()
#12 0x0000000800009cd8 in  ()
#13 0x0000000000000000 in  ()

Thread 3 (Thread 0x7fb544ff9700 (LWP 27999)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54d37ec40) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54d37ec40, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54d37ec40, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb565f5a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#4  0x00007fb565f5a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3f_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb5467fc700 (LWP 27996)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fb54d376da0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem@entry=0x7fb54d376da0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007fb5677874e8 in __new_sem_wait_slow (sem=0x7fb54d376da0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00007fb56616a892 in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#4  0x00007fb56616a8fe in  () at /usr/lib/x86_64-linux-gnu/libfftw3_threads.so.3
#5  0x00007fb56777d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fb5694cd103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb5147a7700 (LWP 28585)):
#0  0x00007fb514f7a82c in  ()
#1  0x00007fb514f79ad4 in  ()
#2  0x000001801479ef20 in  ()
#3  0x00007fb50c1ba4d0 in  ()
#4  0x000000005f12c84c in  ()
#5  0x0000000000000180 in  ()
#6  0x00007fb51479f140 in  ()
#7  0x00000000ffffffff in  ()
#8  0x00007fb51479f020 in  ()
#9  0x00007fb514f7b3ac in  ()
#10 0x00007fb51479efb0 in  ()
#11 0x00007fb53d53728d in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#12 0x00007fb53d02aba9 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#13 0x00007fb53d0a43e6 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#14 0x00007fb53d0a6da0 in  () at /usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.so
#15 0x00007fb53c0870de in Java_sun_awt_X11_XToolkit_waitForEvents () at /usr/lib/jvm/java-11-openjdk-amd64/lib/libawt_xawt.so
#16 0x00007fb51c404284 in  ()
#17 0x00007fb51479f4c0 in  ()
#18 0x00007fb531191e90 in  ()
#19 0x0000000000000000 in  ()
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