https://bugs.kde.org/show_bug.cgi?id=390234
Bug ID: 390234
Summary: kwin_wayland crash when disabling an output
Product: kwin
Version: 5.12.0
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: pieter.da...@gmail.com
Target Milestone: ---
When I disable my laptop screen (with a VGA monitor attached, enabled, and set
as primary output) through the kscreen kcm, the kwin_wayland process crashes
with this stacktrace:
Core was generated by `/usr/bin/kwin_wayland --xwayland --libinput
--exit-with-session=/usr/lib/startp'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f3df4ab3860 in raise () from /usr/lib/libc.so.6
[Current thread is 1 (Thread 0x7f3df7f226c0 (LWP 1294))]
(gdb) bt
#0 0x00007f3df4ab3860 in raise () at /usr/lib/libc.so.6
#1 0x00007f3df4ab4e48 in abort () at /usr/lib/libc.so.6
#2 0x00007f3df4ec4d57 in __gnu_cxx::__verbose_terminate_handler() () at
/build/gcc/src/gcc/libstdc++-v3/libsupc++/vterminate.cc:95
#3 0x00007f3df4ec28c6 in __cxxabiv1::__terminate(void (*)())
(handler=<optimized out>) at
/build/gcc/src/gcc/libstdc++-v3/libsupc++/eh_terminate.cc:47
#4 0x00007f3df4ec179a in __cxa_call_terminate(_Unwind_Exception*)
(ue_header=ue_header@entry=0x557fdfccfad0) at
/build/gcc/src/gcc/libstdc++-v3/libsupc++/eh_call.cc:54
#5 0x00007f3df4ec2189 in __cxxabiv1::__gxx_personality_v0(int, _Unwind_Action,
_Unwind_Exception_Class, _Unwind_Exception*, _Unwind_Context*)
(version=<optimized out>, actions=<optimized out>,
exception_class=5138137972254386944, ue_header=0x557fdfccfad0,
context=<optimized out>) at
/build/gcc/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc:676
#6 0x00007f3ded5f2ca3 in _Unwind_RaiseException_Phase2
(exc=exc@entry=0x557fdfccfad0, context=context@entry=0x7ffef10008e0) at
/build/gcc/src/gcc/libgcc/unwind.inc:62
#7 0x00007f3ded5f34ce in _Unwind_Resume (exc=0x557fdfccfad0) at
/build/gcc/src/gcc/libgcc/unwind.inc:230
#8 0x00007f3df5685992 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#9 0x00007f3df56dbe36 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007f3ddf5945de in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/qt/plugins/platforms/KWinQpaPlugin.so
#11 0x00007f3ddc9de31b in KWin::DrmBackend::~DrmBackend() (this=0x557fdfd0eb30,
__in_chrg=<optimized out>) at
/home/pieter/builds/kwin/src/kwin-5.12.0/plugins/platforms/drm/drm_backend.cpp:91
#12 0x00007f3ddc9de67a in KWin::DrmBackend::~DrmBackend() (this=0x557fdfd0eb30,
__in_chrg=<optimized out>) at
/home/pieter/builds/kwin/src/kwin-5.12.0/plugins/platforms/drm/drm_backend.cpp:99
#13 0x00007f3df56774f7 in () at /usr/lib/libQt5Core.so.5
#14 0x00007f3df56799c6 in () at /usr/lib/libQt5Core.so.5
#15 0x00007f3df4ab67b2 in __cxa_finalize () at /usr/lib/libc.so.6
#16 0x00007f3df5465034 in () at /usr/lib/libQt5Core.so.5
#17 0x00007ffef1001470 in ()
#18 0x00007f3df7da7af3 in _dl_fini () at /lib64/ld-linux-x86-64.so.2
I am using kwin 5.12.0, rebuilt locally using the Arch PKGBUILD to add debug
symbols (I can do the same with Qt if needed, I am using 5.10.0).
Attached also the output of `qdbus org.kde.KWin /KWin supportInformation` -
please let me know if you need any more information.
Thanks in advance!
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