https://bugs.kde.org/show_bug.cgi?id=404884
Bug ID: 404884
Summary: "Show all Windows" crash
Product: kwin
Version: 5.14.5
Platform: Debian stable
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: fly...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.14.5)
Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.19.0-2-amd64 x86_64
Distribution: Debian GNU/Linux buster/sid
-- Information about the crash:
- What I was doing when the application crashed:
I moved the mouse to the upper-right hand corner which I've bound to "show all
windows" and got a crash instead. This has not been reproduceable.
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 0x7f3e33dad980 (LWP 2417))]
Thread 7 (Thread 0x7f3e1bac6700 (LWP 6432)):
#0 0x00007f3e3d792fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x561afc38e890) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f3e3d792fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x561afc38e840, cond=0x561afc38e868) at pthread_cond_wait.c:502
#2 0x00007f3e3d792fbc in __pthread_cond_wait (cond=0x561afc38e868,
mutex=0x561afc38e840) at pthread_cond_wait.c:655
#3 0x00007f3e3e5a542b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f3e3d2ec2d9 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f3e3d2ec53a in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f3e3e5a4c77 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f3e3d78cfa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f3e3fb9c80f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f3e31386700 (LWP 3087)):
#0 0x00007f3e3fb91c46 in __GI_ppoll (fds=0x7f3e2801a658, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f3e3e79b031 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f3e3e79c4a9 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f3e3e74c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f3e3e59b0d6 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f3e3cfb43a5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f3e3e5a4c77 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f3e3d78cfa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f3e3fb9c80f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f3e227ee700 (LWP 2483)):
#0 0x00007f3e3d792fbc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f3e3e18ffb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f3e3d792fbc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f3e3e18ff68, cond=0x7f3e3e18ff90) at pthread_cond_wait.c:502
#2 0x00007f3e3d792fbc in __pthread_cond_wait (cond=0x7f3e3e18ff90,
mutex=0x7f3e3e18ff68) at pthread_cond_wait.c:655
#3 0x00007f3e3e098e4a in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007f3e3e098e69 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007f3e3d78cfa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f3e3fb9c80f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f3e23fff700 (LWP 2482)):
#0 0x00007f3e3fb91c46 in __GI_ppoll (fds=0x7f3e1c000d48, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f3e3e79b031 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f3e3e79c4a9 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f3e3e74c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f3e3e59b0d6 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f3e3cfb43a5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f3e3e5a4c77 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f3e3d78cfa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f3e3fb9c80f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f3e31e20700 (LWP 2459)):
#0 0x00007f3e3fb91c46 in __GI_ppoll (fds=0x7f3e2400b3a8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f3e3e79b031 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f3e3e79c4a9 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f3e3e74c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f3e3e59b0d6 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f3e3ca7d545 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007f3e3e5a4c77 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f3e3d78cfa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f3e3fb9c80f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f3e32eeb700 (LWP 2449)):
#0 0x00007f3e3fb91b49 in __GI___poll (fds=0x7f3e32eeab38, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f3e3e4c4cf7 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f3e3e4c691a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f3e333cf519 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f3e3e5a4c77 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f3e3d78cfa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f3e3fb9c80f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f3e33dad980 (LWP 2417)):
[KCrash Handler]
#6 0x00007f3e3f8b6c9c in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#7 0x00007f3e3f8bacf6 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#8 0x00007f3e3e74afcf in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f3e333d0cb0 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#10 0x00007f3e333d1843 in QXcbConnection::processXcbEvents() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#11 0x00007f3e3e776e52 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f3e3f0c5491 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f3e3f0ccac0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f3e3e74d479 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f3e3e75046b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f3e3e79c31b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f3e33462b6d in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x00007f3e3e74c14b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f3e3e7542b2 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f3e3fc6e47b in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#21 0x00007f3e3fac709b in __libc_start_main (main=0x561af9dfe050, argc=3,
argv=0x7ffd2b031588, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd2b031578) at ../csu/libc-start.c:308
#22 0x0000561af9dfe08a in _start ()
[Inferior 1 (process 2417) detached]
Reported using DrKonqi
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