https://bugs.kde.org/show_bug.cgi?id=418932
Bug ID: 418932
Summary: KWin crashed when moving a window when in Desktop Grid
Product: kwin
Version: 5.18.3
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: p...@phd.re
Target Milestone: ---
Application: kwin_x11 (5.18.3)
Qt Version: 5.12.4
Frameworks Version: 5.67.0
Operating System: Linux 5.3.0-40-lowlatency x86_64
Windowing system: X11
Distribution: Ubuntu 19.10
-- Information about the crash:
- What I was doing when the application crashed:
I had Desktop Grid effect active and I was moving a window (Gimp) from Desktop
1 to Desktop 2.
-- 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 0x7ff2c4cd7800 (LWP 5970))]
Thread 4 (Thread 0x7ff2a682a700 (LWP 6411)):
#0 0x00007ff2c9a822c6 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7ff2ca0affb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:80
#1 0x00007ff2c9a822c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x7ff2ca0aff68, cond=0x7ff2ca0aff90) at pthread_cond_wait.c:508
#2 0x00007ff2c9a822c6 in __pthread_cond_wait (cond=0x7ff2ca0aff90,
mutex=0x7ff2ca0aff68) at pthread_cond_wait.c:638
#3 0x00007ff2c9fb908a in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007ff2c9fb90af in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007ff2c9a7b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#6 0x00007ff2cbd0e323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7ff2c0e20700 (LWP 6398)):
#0 0x00007ff2cbd01d26 in __GI_ppoll (fds=0x7ff2ac000d68, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007ff2ca708589 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007ff2ca709af4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007ff2ca6b35cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007ff2ca4eca45 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007ff2c924e319 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007ff2ca4edc92 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007ff2c9a7b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8 0x00007ff2cbd0e323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7ff2c30bb700 (LWP 5987)):
#0 0x00007ff2cbd01d26 in __GI_ppoll (fds=0x7ff2b400b4f8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007ff2ca708589 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007ff2ca709af4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007ff2ca6b35cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007ff2ca4eca45 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007ff2cb715efa in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007ff2ca4edc92 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007ff2c9a7b669 in start_thread (arg=<optimized out>) at
pthread_create.c:479
#8 0x00007ff2cbd0e323 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7ff2c4cd7800 (LWP 5970)):
[KCrash Handler]
#6 0x00007ff2ca121f82 in () at
/usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#7 0x00007ff2ca120540 in () at
/usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#8 0x00007ff2cb9b961f in
KWin::EffectsHandlerImpl::checkInputWindowEvent(QMouseEvent*) () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#9 0x00007ff2c285bfde in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#10 0x00007ff2cb9c4316 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#11 0x00007ff2ca6b1e7f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007ff2c4369855 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#13 0x00007ff2c436a82a in
QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007ff2c4395650 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x00007ff2ca6b35cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007ff2ca6bb336 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007ff2cbde68df in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#18 0x00007ff2cbc131e3 in __libc_start_main (main=0x55f79065f060, argc=1,
argv=0x7ffff255f448, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffff255f438) at ../csu/libc-start.c:308
#19 0x000055f79065f09e in _start ()
[Inferior 1 (process 5970) detached]
Possible duplicates by query: bug 418783, bug 418214, bug 417179, bug 416417,
bug 416401.
Reported using DrKonqi
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