https://bugs.kde.org/show_bug.cgi?id=380127
Bug ID: 380127
Summary: Kwin crash when alt-tabbing thru open windows
Product: kwin
Version: unspecified
Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: noeero...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.10.90)
Qt Version: 5.9.0
Frameworks Version: 5.35.0
Operating System: Linux 4.11.1-1-default x86_64
Distribution: "openSUSE Tumbleweed"
-- Information about the crash:
- What I was doing when the application crashed:
Dev tools open, MPV playing a video, music player playing, then I hit alt-tabl
to cycle thru the open windows and kwin crashed.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f49a2136900 (LWP 1748))]
Thread 7 (Thread 0x7f497803f700 (LWP 2025)):
#0 0x00007f49a1ad48ab in ppoll () at /lib64/libc.so.6
#1 0x00007f499f128a69 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007f499f129f5a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007f499f0d910a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007f499ef16b3b in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007f499ef1b3ca in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#6 0x00007f499ad48537 in start_thread () at /lib64/libpthread.so.0
#7 0x00007f49a1ade04f in clone () at /lib64/libc.so.6
Thread 6 (Thread 0x7f497783e700 (LWP 1858)):
#0 0x00007f499ad4e9a6 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f499e095624 in () at /usr/lib64/libQt5Script.so.5
#2 0x00007f499e095669 in () at /usr/lib64/libQt5Script.so.5
#3 0x00007f499ad48537 in start_thread () at /lib64/libpthread.so.0
#4 0x00007f49a1ade04f in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7f4978be0700 (LWP 1856)):
#0 0x00007f499ad4e9a6 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f49813af66b in () at /usr/lib64/dri/r600_dri.so
#2 0x00007f49813af397 in () at /usr/lib64/dri/r600_dri.so
#3 0x00007f499ad48537 in start_thread () at /lib64/libpthread.so.0
#4 0x00007f49a1ade04f in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7f4979522700 (LWP 1855)):
#0 0x00007f499ad4e9a6 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f49813af66b in () at /usr/lib64/dri/r600_dri.so
#2 0x00007f49813af397 in () at /usr/lib64/dri/r600_dri.so
#3 0x00007f499ad48537 in start_thread () at /lib64/libpthread.so.0
#4 0x00007f49a1ade04f in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7f49857fa700 (LWP 1826)):
#0 0x00007f49a1ad48ab in ppoll () at /lib64/libc.so.6
#1 0x00007f499f128a69 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007f499f129f5a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007f499f0d910a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007f499ef16b3b in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007f4999830ca5 in () at /usr/lib64/libQt5Qml.so.5
#6 0x00007f499ef1b3ca in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#7 0x00007f499ad48537 in start_thread () at /lib64/libpthread.so.0
#8 0x00007f49a1ade04f in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7f498c109700 (LWP 1750)):
#0 0x00007f49a1ad47bd in poll () at /lib64/libc.so.6
#1 0x00007f49964d5aa6 in () at /usr/lib64/libglib-2.0.so.0
#2 0x00007f49964d5bbc in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3 0x00007f499f12d47b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4 0x00007f499f0d910a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5 0x00007f499ef16b3b in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6 0x00007f4998a054f5 in () at /usr/lib64/libQt5DBus.so.5
#7 0x00007f499ef1b3ca in QThreadPrivate::start(void*) () at
/usr/lib64/libQt5Core.so.5
#8 0x00007f499ad48537 in start_thread () at /lib64/libpthread.so.0
#9 0x00007f49a1ade04f in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7f49a2136900 (LWP 1748)):
[KCrash Handler]
#6 0x00007f49816fe4f2 in () at /usr/lib64/dri/r600_dri.so
#7 0x00007f49814dc925 in () at /usr/lib64/dri/r600_dri.so
#8 0x00007f49812ba890 in () at /usr/lib64/dri/r600_dri.so
#9 0x00007f498127ab30 in () at /usr/lib64/dri/r600_dri.so
#10 0x00007f498127afb9 in () at /usr/lib64/dri/r600_dri.so
#11 0x00007f4999ee8cf5 in
QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*)
() at /usr/lib64/libQt5Quick.so.5
#12 0x00007f4999eea095 in QSGBatchRenderer::Renderer::renderBatches() () at
/usr/lib64/libQt5Quick.so.5
#13 0x00007f4999eef649 in QSGBatchRenderer::Renderer::render() () at
/usr/lib64/libQt5Quick.so.5
#14 0x00007f4999ee03cf in QSGRenderer::renderScene(QSGBindable const&) () at
/usr/lib64/libQt5Quick.so.5
#15 0x00007f4999ee08ab in QSGRenderer::renderScene(unsigned int) () at
/usr/lib64/libQt5Quick.so.5
#16 0x00007f4999f19a7e in
QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at
/usr/lib64/libQt5Quick.so.5
#17 0x00007f4999f73520 in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() at /usr/lib64/libQt5Quick.so.5
#18 0x00007f4999f0c2cf in () at /usr/lib64/libQt5Quick.so.5
#19 0x00007f4999f7d02e in QQuickWindow::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#20 0x00007f48edbae0bb in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib64/libKF5PlasmaQuick.so.5
#21 0x00007f499fe2cfdc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#22 0x00007f499fe342e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#23 0x00007f499f0da968 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#24 0x00007f499f6a19ce in QWindowPrivate::deliverUpdateRequest() () at
/usr/lib64/libQt5Gui.so.5
#25 0x00007f499f6a1e99 in QWindow::event(QEvent*) () at
/usr/lib64/libQt5Gui.so.5
#26 0x00007f4999f7cfe5 in QQuickWindow::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#27 0x00007f48edbae0bb in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib64/libKF5PlasmaQuick.so.5
#28 0x00007f499fe2cfdc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#29 0x00007f499fe342e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#30 0x00007f499f0da968 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#31 0x00007f499f12c1fe in QTimerInfoList::activateTimers() () at
/usr/lib64/libQt5Core.so.5
#32 0x00007f499f12a1ca in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#33 0x00007f4989b01ecd in () at /usr/lib64/libQt5XcbQpa.so.5
#34 0x00007f499f0d910a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#35 0x00007f499f0e15e4 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#36 0x00007f49a1d9fa14 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#37 0x00007f49a1a11541 in __libc_start_main () at /lib64/libc.so.6
#38 0x000000000040073a in _start ()
Reported using DrKonqi
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