https://bugs.kde.org/show_bug.cgi?id=420271
Bug ID: 420271
Summary: Kwin crash
Product: kwin
Version: 5.16.5
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: r...@qkiz.pl
Target Milestone: ---
Application: kwin_x11 (5.16.5)
Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-46-lowlatency x86_64
Distribution: Ubuntu 19.10
-- Information about the crash:
- What I was doing when the application crashed:
Nothing special. Just clicking icons in tray area. Kwin crashed but it starts
again and everything is working.
The crash does not seem to be reproducible.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1ae36d6d00 (LWP 6501))]
Thread 6 (Thread 0x7f1ac37fe700 (LWP 9127)):
#0 0x00007f1ae85ea2c6 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f1ae8bf8fb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:80
#1 0x00007f1ae85ea2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x7f1ae8bf8f68, cond=0x7f1ae8bf8f90) at pthread_cond_wait.c:508
#2 0x00007f1ae85ea2c6 in __pthread_cond_wait (cond=0x7f1ae8bf8f90,
mutex=0x7f1ae8bf8f68) at pthread_cond_wait.c:638
#3 0x00007f1ae8b0208a in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007f1ae8b020af in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007f1ae85e3669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6 0x00007f1aea7dc323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f1ad11e4700 (LWP 9104)):
#0 0x00007f1ae85ea2c6 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55ce26c19a28) at
../sysdeps/unix/sysv/linux/futex-internal.h:80
#1 0x00007f1ae85ea2c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55ce26c199d8, cond=0x55ce26c19a00) at pthread_cond_wait.c:508
#2 0x00007f1ae85ea2c6 in __pthread_cond_wait (cond=0x55ce26c19a00,
mutex=0x55ce26c199d8) at pthread_cond_wait.c:638
#3 0x00007f1ad1855aab in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007f1ad18556cb in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007f1ae85e3669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6 0x00007f1aea7dc323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f1ad3da6700 (LWP 9099)):
#0 0x00007f1aea7cfd26 in __GI_ppoll (fds=0x7f1acc000d68, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f1ae9290589 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f1ae9291af4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f1ae923b5cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f1ae9074a45 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f1ae7d83319 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f1ae9075c92 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f1ae85e3669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8 0x00007f1aea7dc323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f1ae1ea2700 (LWP 6503)):
#0 0x00007f1aea7cfd26 in __GI_ppoll (fds=0x7f1ad40118d8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f1ae9290589 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f1ae9291af4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f1ae923b5cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f1ae9074a45 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f1ae77c2efa in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007f1ae9075c92 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f1ae85e3669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8 0x00007f1aea7dc323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f1ae2cf9700 (LWP 6502)):
#0 0x00007f1aea7cfc2f in __GI___poll (fds=0x7f1ae2cf8c28, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f1ae8f99917 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f1ae8f9b53a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f1ae301d288 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f1ae9075c92 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f1ae85e3669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6 0x00007f1aea7dc323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f1ae36d6d00 (LWP 6501)):
[KCrash Handler]
#6 0x0000000000000002 in ()
#7 0x00007f1ae8cb2287 in () at
/usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#8 0x00007f1ae8cb30c5 in () at
/usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#9 0x00007f1aea51a307 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#10 0x00007f1aea50f236 in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#11 0x00007f1aea50bc2d in KWin::Scene::paintSimpleScreen(int, QRegion) () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#12 0x00007f1ad3dc8357 in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#13 0x00007f1aea50e800 in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#14 0x00007f1aea51a0b2 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#15 0x00007f1ae8d0cd35 in () at
/usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#16 0x00007f1aea51a061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#17 0x00007f1ae8d7d5c3 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#18 0x00007f1aea51a061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#19 0x00007f1ae8d7d5c3 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#20 0x00007f1aea51a061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#21 0x00007f1ae8d7d5c3 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#22 0x00007f1aea51a061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#23 0x00007f1aea50e4b3 in KWin::Scene::paintScreen(int*, QRegion const&,
QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#24 0x00007f1ad3dd0c7e in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#25 0x00007f1aea500247 in KWin::Compositor::performCompositing() () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#26 0x00007f1ae9268de5 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f1ae9c50a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f1ae9c59e00 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f1ae923ca2a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f1ae9293990 in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f1ae9291c4f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f1ae301e642 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#33 0x00007f1ae923b5cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f1ae9243336 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f1aea8b587d in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#36 0x00007f1aea6e11e3 in __libc_start_main (main=0x55ce2630d060, argc=1,
argv=0x7ffff6a3d448, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffff6a3d438) at ../csu/libc-start.c:308
#37 0x000055ce2630d09e in _start ()
[Inferior 1 (process 6501) detached]
Reported using DrKonqi
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