https://bugs.kde.org/show_bug.cgi?id=382389
Bug ID: 382389
Summary: When moving application/desktop in "Desktop Grid",
KWin takes up 100% CPU usage then crash
Product: kwin
Version: 5.10.2
Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: leodream2...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.10.2)
Qt Version: 5.9.0
Frameworks Version: 5.34.0
Operating System: Linux 4.11.7-1-default x86_64
Distribution: "openSUSE Tumbleweed"
-- Information about the crash:
- What I was doing when the application crashed:
1. Activated the "Desktop Grid" effect by moving the mouse cursor against the
corner of the screen
2. Moved an application to a different desktop, or moved a desktop to a
different postion
3. GUI stopped responding once the application/desktop was clicked and dragged.
4. Checked htop and found a Kwin process was taking up 100% CPU usage of a core
5. After sometime, GUI was back to normal and a crash notification showed up.
The issue does not happen everytime. But when it does, it could be stable
reproduced unless logout or restart.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffb86513900 (LWP 5966))]
Thread 10 (Thread 0x7ffabb452700 (LWP 6307)):
#0 0x00007ffb85ea0166 in ppoll () at /lib64/libc.so.6
#1 0x00007ffb834c3049 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007ffb834c45f6 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007ffb83470d0a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007ffb832a305a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007ffb7dbcfd45 in () at /usr/lib64/libQt5Qml.so.5
#6 0x00007ffb832a773e in () at /usr/lib64/libQt5Core.so.5
#7 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#8 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 9 (Thread 0x7ffb56bbd700 (LWP 6302)):
#0 0x00007ffb85ea0166 in ppoll () at /lib64/libc.so.6
#1 0x00007ffb834c3049 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007ffb834c45f6 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007ffb83470d0a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007ffb832a305a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007ffb7dbcfd45 in () at /usr/lib64/libQt5Qml.so.5
#6 0x00007ffb832a773e in () at /usr/lib64/libQt5Core.so.5
#7 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#8 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 8 (Thread 0x7ffb65dba700 (LWP 6300)):
#0 0x00007ffb834c459d in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#1 0x00007ffb83470d0a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#2 0x00007ffb832a305a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#3 0x00007ffb7dbcfd45 in () at /usr/lib64/libQt5Qml.so.5
#4 0x00007ffb832a773e in () at /usr/lib64/libQt5Core.so.5
#5 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#6 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 7 (Thread 0x7ffb431cf700 (LWP 6009)):
#0 0x00007ffb7f0cc5ed in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007ffb8241ca04 in () at /usr/lib64/libQt5Script.so.5
#2 0x00007ffb8241ca49 in () at /usr/lib64/libQt5Script.so.5
#3 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#4 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 6 (Thread 0x7ffb43d35700 (LWP 6005)):
#0 0x00007ffb7f0cc5ed in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007ffb545fc2fb in () at /usr/lib64/dri/r600_dri.so
#2 0x00007ffb545fc037 in () at /usr/lib64/dri/r600_dri.so
#3 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#4 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7ffb44677700 (LWP 6004)):
#0 0x00007ffb7f0cc5ed in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007ffb545fc2fb in () at /usr/lib64/dri/r600_dri.so
#2 0x00007ffb545fc037 in () at /usr/lib64/dri/r600_dri.so
#3 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#4 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7ffb57fbe700 (LWP 5993)):
#0 0x00007ffb85ea0166 in ppoll () at /lib64/libc.so.6
#1 0x00007ffb834c3049 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007ffb834c45f6 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007ffb83470d0a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007ffb832a305a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007ffb7dbcfd45 in () at /usr/lib64/libQt5Qml.so.5
#6 0x00007ffb832a773e in () at /usr/lib64/libQt5Core.so.5
#7 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#8 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7ffb6789c700 (LWP 5971)):
#0 0x00007ffb85ea0166 in ppoll () at /lib64/libc.so.6
#1 0x00007ffb834c3049 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007ffb834c45f6 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007ffb83470d0a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007ffb832a305a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007ffb7cd9aa45 in () at /usr/lib64/libQt5DBus.so.5
#6 0x00007ffb832a773e in () at /usr/lib64/libQt5Core.so.5
#7 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#8 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7ffb6d780700 (LWP 5969)):
#0 0x00007ffb85ea008d in poll () at /lib64/libc.so.6
#1 0x00007ffb84fc5387 in () at /usr/lib64/libxcb.so.1
#2 0x00007ffb84fc717a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3 0x00007ffb6e8682d9 in () at /usr/lib64/libQt5XcbQpa.so.5
#4 0x00007ffb832a773e in () at /usr/lib64/libQt5Core.so.5
#5 0x00007ffb7f0c64e7 in start_thread () at /lib64/libpthread.so.0
#6 0x00007ffb85ea9a2f in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7ffb86513900 (LWP 5966)):
[KCrash Handler]
#6 0x00007ffb549369f4 in () at /usr/lib64/dri/r600_dri.so
#7 0x00007ffb5471720a in () at /usr/lib64/dri/r600_dri.so
#8 0x00007ffb545087a0 in () at /usr/lib64/dri/r600_dri.so
#9 0x00007ffb544cb550 in () at /usr/lib64/dri/r600_dri.so
#10 0x00007ffb544cb9c9 in () at /usr/lib64/dri/r600_dri.so
#11 0x00007ffb7e283c17 in
QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*)
() at /usr/lib64/libQt5Quick.so.5
#12 0x00007ffb7e284e15 in QSGBatchRenderer::Renderer::renderBatches() () at
/usr/lib64/libQt5Quick.so.5
#13 0x00007ffb7e28a2bc in QSGBatchRenderer::Renderer::render() () at
/usr/lib64/libQt5Quick.so.5
#14 0x00007ffb7e27b2ea in QSGRenderer::renderScene(QSGBindable const&) () at
/usr/lib64/libQt5Quick.so.5
#15 0x00007ffb7e27b77b in QSGRenderer::renderScene(unsigned int) () at
/usr/lib64/libQt5Quick.so.5
#16 0x00007ffb7e2b41e0 in
QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at
/usr/lib64/libQt5Quick.so.5
#17 0x00007ffb7e30cf58 in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() at /usr/lib64/libQt5Quick.so.5
#18 0x00007ffb7e2a6d94 in () at /usr/lib64/libQt5Quick.so.5
#19 0x00007ffb7e2a7cba in () at /usr/lib64/libQt5Quick.so.5
#20 0x00007ffb83a4dc4b in QWindow::event(QEvent*) () at
/usr/lib64/libQt5Gui.so.5
#21 0x00007ffb7e316a35 in QQuickWindow::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#22 0x00007ffb841fb93c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#23 0x00007ffb84202cb4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#24 0x00007ffb83472578 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#25 0x00007ffb83a435b9 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib64/libQt5Gui.so.5
#26 0x00007ffb83a4411d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib64/libQt5Gui.so.5
#27 0x00007ffb83a1df8b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib64/libQt5Gui.so.5
#28 0x00007ffb6e8c7bf6 in () at /usr/lib64/libQt5XcbQpa.so.5
#29 0x00007ffb83470d0a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#30 0x00007ffb83479164 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#31 0x00007ffb8616b5a6 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#32 0x00007ffb85ddc46a in __libc_start_main () at /lib64/libc.so.6
#33 0x000055ea12cfa86a in _start ()
Reported using DrKonqi
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