https://bugs.kde.org/show_bug.cgi?id=389744
Bug ID: 389744
Summary: KWin Crashed When I Was Tabing Between Apps
Product: kwin
Version: 5.11.5
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: albertodz...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.11.5)
Qt Version: 5.10.0
Frameworks Version: 5.42.0
Operating System: Linux 4.14.15-1-ARCH x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
- What I was doing when the application crashed:
I was switching between apps with Alt + Tab when KWin crashed. I had opened
Dolphin, Chromium, Konsole and Thunderbird.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd990eb9840 (LWP 612))]
Thread 7 (Thread 0x7fd9548fb700 (LWP 736)):
#0 0x00007fd9897483bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd98cd12f77 in () at /usr/lib/libQt5Script.so.5
#2 0x00007fd98cd12fb9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007fd98974208c in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007fd990831e7f in clone () at /usr/lib/libc.so.6
Thread 6 (Thread 0x7fd9559fd700 (LWP 733)):
#0 0x00007fd9897483bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd95b404fec in () at /usr/lib/dri/r600_dri.so
#2 0x00007fd95b404ef8 in () at /usr/lib/dri/r600_dri.so
#3 0x00007fd98974208c in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007fd990831e7f in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7fd95633f700 (LWP 732)):
#0 0x00007fd9897483bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd95b404fec in () at /usr/lib/dri/r600_dri.so
#2 0x00007fd95b404ef8 in () at /usr/lib/dri/r600_dri.so
#3 0x00007fd98974208c in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007fd990831e7f in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7fd96edee700 (LWP 729)):
#0 0x00007fd990827a76 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fd98de026f3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fd98de03e8f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fd98dda8d0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fd98dbb878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fd988214a19 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007fd98dbbdb2d in () at /usr/lib/libQt5Core.so.5
#7 0x00007fd98974208c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fd990831e7f in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7fd9750e6700 (LWP 646)):
#0 0x00007fd990827a76 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fd98de026f3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fd98de03e8f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fd98dda8d0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fd98dbb878e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fd987388416 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007fd98dbbdb2d in () at /usr/lib/libQt5Core.so.5
#7 0x00007fd98974208c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fd990831e7f in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7fd9775a6700 (LWP 642)):
#0 0x00007fd99082797b in poll () at /usr/lib/libc.so.6
#1 0x00007fd98f9278e0 in () at /usr/lib/libxcb.so.1
#2 0x00007fd98f929679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3 0x00007fd9786937aa in () at /usr/lib/libQt5XcbQpa.so.5
#4 0x00007fd98dbbdb2d in () at /usr/lib/libQt5Core.so.5
#5 0x00007fd98974208c in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007fd990831e7f in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7fd990eb9840 (LWP 612)):
[KCrash Handler]
#5 0x00007fd95b75e774 in () at /usr/lib/dri/r600_dri.so
#6 0x00007fd95b5448c4 in () at /usr/lib/dri/r600_dri.so
#7 0x00007fd95b31ddd0 in () at /usr/lib/dri/r600_dri.so
#8 0x00007fd95b2e0b08 in () at /usr/lib/dri/r600_dri.so
#9 0x00007fd95b2e128f in () at /usr/lib/dri/r600_dri.so
#10 0x00007fd9888d26c7 in
QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*)
() at /usr/lib/libQt5Quick.so.5
#11 0x00007fd9888d3966 in QSGBatchRenderer::Renderer::renderBatches() () at
/usr/lib/libQt5Quick.so.5
#12 0x00007fd9888d91de in QSGBatchRenderer::Renderer::render() () at
/usr/lib/libQt5Quick.so.5
#13 0x00007fd9888c9632 in QSGRenderer::renderScene(QSGBindable const&) () at
/usr/lib/libQt5Quick.so.5
#14 0x00007fd9888c9afc in QSGRenderer::renderScene(unsigned int) () at
/usr/lib/libQt5Quick.so.5
#15 0x00007fd988903c60 in
QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at
/usr/lib/libQt5Quick.so.5
#16 0x00007fd988968110 in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() at /usr/lib/libQt5Quick.so.5
#17 0x00007fd9888f5fb8 in () at /usr/lib/libQt5Quick.so.5
#18 0x00007fd988973686 in QQuickWindow::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#19 0x00007fd8c28d8c64 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/libKF5PlasmaQuick.so.5
#20 0x00007fd98eb24e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#21 0x00007fd98eb2c816 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#22 0x00007fd98ddaa6c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#23 0x00007fd98e3277f3 in QWindowPrivate::deliverUpdateRequest() () at
/usr/lib/libQt5Gui.so.5
#24 0x00007fd98e327d2b in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#25 0x00007fd988973626 in QQuickWindow::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#26 0x00007fd8c28d8c64 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/libKF5PlasmaQuick.so.5
#27 0x00007fd98eb24e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#28 0x00007fd98eb2c816 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#29 0x00007fd98ddaa6c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#30 0x00007fd98de05fb8 in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#31 0x00007fd98de040f4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#32 0x00007fd97871b58e in () at /usr/lib/libQt5XcbQpa.so.5
#33 0x00007fd98dda8d0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#34 0x00007fd98ddb1ff8 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#35 0x00007fd990afb6e3 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#36 0x00007fd99075cf4a in __libc_start_main () at /usr/lib/libc.so.6
#37 0x00005617473987aa in _start ()
Reported using DrKonqi
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