Re: breakinsets3 branch: assertion

Scott Kostyshak <[email protected]> Sun, 29 Mar 2026 20:59:16 +0200

Newsgroups	gmane.editors.lyx.devel
Message-ID	<acl0gvfZdjM06_pl@jimmy>

On Sun, Mar 29, 2026 at 06:45:55PM +0200, Jean-Marc Lasgouttes via lyx-devel wrote:
> Le 29/03/2026 à 16:08, Scott Kostyshak a écrit :
> > It was when highighting (with mouse) while scrolling Tutorial.lyx. Here was the assertion:
> > 
> > support/lassert.cpp (57): ASSERTION hasPosition() VIOLATED IN /home/scott/lyxbuilds/master-master/repo/src/ParagraphMetrics.cpp:61
> > 
> > I could not reproduce a second time though.
> 
> Thanks for testing. I am currently trying to make the selection visible.
> Next will be proper decoration of the insets (with a difficulty for showing
> the inset name below the inset frame).
> 
> There is also a difficulty with bidi text. I have worked on it, but I
> believe now that some logic needs to be reworked.
> 
> It would be great if you could reproduce the assertion.

Backtrace attached. Does it help?

> Note that the file
> REAME.brkinset tells what is supposed to work and whet does not work yet.

Ah that is a useful file.

When not actually using the flowing insets, everything is expected to
work? Meaning, would it be useful if I test the branch even if I don't
use the feature, or not really?

Scott

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bt.txt (text/plain, 6 KB)

Thread 1 "lyx" received signal SIGABRT, Aborted.
__pthread_kill_implementation (threadid=<optimized out>, signo=6, no_tid=0) at ./nptl/pthread_kill.c:44
warning: 44	./nptl/pthread_kill.c: No such file or directory
(gdb) bt
#0  __pthread_kill_implementation (threadid=<optimized out>, signo=6, no_tid=0) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (threadid=<optimized out>, signo=6) at ./nptl/pthread_kill.c:89
#2  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:100
#3  0x00007ffff5c4579e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4  0x00007ffff5c288cd in __GI_abort () at ./stdlib/abort.c:73
#5  0x0000555555934d9b in lyx::lyx_exit (exit_code=1) at /home/scott/lyxbuilds/master-master/repo/src/LyX.cpp:262
#6  0x0000555556231302 in lyx::doAssertWithCallstack (value=false) at /home/scott/lyxbuilds/master-master/repo/src/support/lassert.cpp:50
#7  0x00005555562319ce in lyx::doAssert (expr=0x555556268ad4 "hasPosition()", file=0x555556268ae2 "/home/scott/lyxbuilds/master-master/repo/src/ParagraphMetrics.cpp", line=61)
    at /home/scott/lyxbuilds/master-master/repo/src/support/lassert.cpp:59
#8  0x000055555599ead9 in lyx::ParagraphMetrics::position (this=0x555557d71198) at /home/scott/lyxbuilds/master-master/repo/src/ParagraphMetrics.cpp:61
#9  0x00005555557e7869 in lyx::ParagraphMetrics::top (this=0x555557d71198) at /home/scott/lyxbuilds/master-master/repo/src/ParagraphMetrics.h:91
#10 0x0000555555a29582 in lyx::TextMetrics::getPitNearY (this=0x555557e43c78, y=-1, strict=true) at /home/scott/lyxbuilds/master-master/repo/src/TextMetrics.cpp:1712
#11 0x0000555555a29744 in lyx::TextMetrics::getRowNearY (this=0x555557e43c78, y=-1, strict=true) at /home/scott/lyxbuilds/master-master/repo/src/TextMetrics.cpp:1749
#12 0x0000555555a29ea7 in lyx::TextMetrics::checkInsetHit (this=0x555557e43c78, x=992, y=-1) at /home/scott/lyxbuilds/master-master/repo/src/TextMetrics.cpp:1855
#13 0x00005555557d09dd in lyx::BufferView::getCoveringInset (this=0x555558290b90, text=..., x=992, y=-1) at /home/scott/lyxbuilds/master-master/repo/src/BufferView.cpp:2783
#14 0x00005555557d0a6b in lyx::BufferView::getCoveringInset (this=0x555558290b90, text=..., x=992, y=-1) at /home/scott/lyxbuilds/master-master/repo/src/BufferView.cpp:2799
#15 0x00005555557d0139 in lyx::BufferView::updateHoveredInset (this=0x555558290b90) at /home/scott/lyxbuilds/master-master/repo/src/BufferView.cpp:2845
#16 0x00005555557ce448 in lyx::BufferView::processUpdateFlags (this=0x555558290b90, flags=lyx::Update::ForceDraw) at /home/scott/lyxbuilds/master-master/repo/src/BufferView.cpp:638
#17 0x0000555555e8b005 in lyx::frontend::GuiWorkArea::generateSyntheticMouseEvent (this=0x5555571fb790) at /home/scott/lyxbuilds/master-master/repo/src/frontends/qt/GuiWorkArea.cpp:1003
#18 0x0000555555e92e88 in lyx::frontend::GuiWorkArea::init()::$_0::operator()() const (this=0x5555579998b0) at /home/scott/lyxbuilds/master-master/repo/src/frontends/qt/GuiWorkArea.cpp:202
#19 0x0000555555e92e65 in std::__invoke_impl<void, lyx::frontend::GuiWorkArea::init()::$_0&>(std::__invoke_other, lyx::frontend::GuiWorkArea::init()::$_0&) (__f=...)
    at /usr/lib/gcc/x86_64-linux-gnu/15/../../../../include/c++/15/bits/invoke.h:63
#20 0x0000555555e92e15 in std::__invoke_r<void, lyx::frontend::GuiWorkArea::init()::$_0&>(lyx::frontend::GuiWorkArea::init()::$_0&) (__fn=...)
    at /usr/lib/gcc/x86_64-linux-gnu/15/../../../../include/c++/15/bits/invoke.h:113
#21 0x0000555555e92d3d in std::_Function_handler<void(), lyx::frontend::GuiWorkArea::init()::$_0>::_M_invoke (__functor=...)
    at /usr/lib/gcc/x86_64-linux-gnu/15/../../../../include/c++/15/bits/std_function.h:292
#22 0x0000555555dc585e in std::function<void()>::operator() (this=0x5555579998b0) at /usr/lib/gcc/x86_64-linux-gnu/15/../../../../include/c++/15/bits/std_function.h:593
#23 0x0000555555dc576b in nod::signal_type<nod::multithread_policy, void()>::operator() (this=0x555558251990) at /home/scott/lyxbuilds/master-master/repo/3rdparty/nod/nod.hpp:442
#24 0x000055555621d636 in lyx::Timeout::emit (this=0x555558251990) at /home/scott/lyxbuilds/master-master/repo/src/support/Timeout.cpp:127
#25 0x000055555621e0fd in lyx::Timeout::Impl::timerEvent (this=0x55555828a730) at /home/scott/lyxbuilds/master-master/repo/src/support/Timeout.cpp:50
#26 0x00007ffff65ca349 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#27 0x00007ffff77980c8 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt6Widgets.so.6
#28 0x0000555555dfc211 in lyx::frontend::GuiApplication::notify (this=0x5555566a1a70, receiver=0x55555828a730, event=0x7fffffffc460)
    at /home/scott/lyxbuilds/master-master/repo/src/frontends/qt/GuiApplication.cpp:3041
#29 0x00007ffff65813f0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#30 0x00007ffff66fb848 in QTimerInfoList::activateTimers() () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#31 0x00007ffff67e9269 in ??? () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#32 0x00007ffff62f7ce2 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007ffff63692f8 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007ffff62f8123 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffff67e6c63 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#36 0x00007ffff658bd5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#37 0x00007ffff6584f7e in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt6Core.so.6
#38 0x0000555555dfaab3 in lyx::frontend::GuiApplication::exec (this=0x5555566a1a70) at /home/scott/lyxbuilds/master-master/repo/src/frontends/qt/GuiApplication.cpp:2804
#39 0x00005555559356dd in lyx::LyX::exec (this=0x7fffffffcab0, argc=@0x7fffffffcac8: 2, argv=0x7fffffffcbf8) at /home/scott/lyxbuilds/master-master/repo/src/LyX.cpp:376
#40 0x0000555555ac8233 in main (argc=2, argv=0x7fffffffcbf8) at /home/scott/lyxbuilds/master-master/repo/src/main.cpp:55
(gdb)

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