Re: SIGSEGV shortly after (fork)

>>>>> "MC" == Marcus Crestani <[email protected]> writes:
>>>>> "IS" == Ivan Shmakov <[email protected]> writes:

 IS> An attempt to run Scheme48 under GDB immediately gave the location
 IS> of the fault: the call to s48_make_weak_pointer_2 () in make_pid
 IS> ().  Thus, it was no surprise to see:

 MC> On what system do you see the problems?

	It's my usual Debian GNU/Linux Etch-based development system.

$ uname -om 
x86_64 GNU/Linux
$ 

 MC> On MacOSX 10.5.5, everything works fine:

[...]

 MC> Can you please send me the gdb backtrace you get?

	As it's quite short, I'm posting it to the list:

...
Welcome to Scheme 48 1.9T (made by ivan on Sun Oct 19 19:32:22 NOVST 2008)
Copyright (c) 1993-2008 by Richard Kelsey and Jonathan Rees.
Please report bugs to [email protected].
Get more information at http://www.s48.org/.
Type ,? (comma question-mark) for help.
> ,open posix-processes
> (integer->process-id 1)

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 139646607824592 (LWP 1913)]
0x0000000000425f9b in s48_make_weak_pointer_2 (call=0x2360ea0,
    value=<value optimized out>) at ../c/external.c:2007
2007      s48_unsafe_stob_set_2(call, ref, 0, value);
(gdb) bt
#0  0x0000000000425f9b in s48_make_weak_pointer_2 (call=0x2360ea0,
    value=<value optimized out>) at ../c/external.c:2007
#1  0x00007f01fe991a0a in make_pid (call=0x2360ea0,
    c_pid=<value optimized out>) at ../c/posix/proc.c:142
#2  0x0000000000428e7e in s48_external_ecall (call=0x234e3b0,
    sch_proc=139646570631331, proc_name=139646570631347, nargs=1,
    char_argv=<value optimized out>) at ../c/external.c:426
#3  0x000000000041807c in s48_restart (proc_1100X=<value optimized out>,
    nargs_1101X=dwarf2_read_address: Corrupted DWARF expression.
) at ../c/scheme48vm-64.c:15241
#4  0x0000000000429dd7 in s48_main (argc=<value optimized out>,
    argv=0x7fff0a753d70) at ../c/init.c:169
#5  0x00007f0201f6d4ca in __libc_start_main () from /lib/libc.so.6
#6  0x000000000040823a in _start () at ../sysdeps/x86_64/elf/start.S:113
(gdb)