https://bugs.kde.org/show_bug.cgi?id=377644
Bug ID: 377644
Summary: Kwin crash
Product: kwin
Version: 5.9.2
Platform: Slackware Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: ricardo.barbe...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.9.2)
Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.4.38 x86_64
Distribution (Platform): Slackware Packages
-- Information about the crash:
I think the main problem is that my system is under memory pressure, at least
that's when kwin crashes more often.
In this case I had Akregator downloading feeds, Opera browser with 15 tabs open
and HW acceleration on (I should really try disabling it), yakuake with several
tabs open (>50), a VM with kmail open, and not much more.
I also disabled bluetooth at the time of the crash.
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 0x7f2f95764800 (LWP 24243))]
Thread 6 (Thread 0x7f2f733dd700 (LWP 26566)):
#0 0x00007f2f8a7f930d in poll () at /lib64/libc.so.6
#1 0x00007f2f8b61f2f2 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007f2f8b6209da in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007f2f8b5d17ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007f2f8b4066ec in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007f2f8b40b069 in () at /usr/lib64/libQt5Core.so.5
#6 0x00007f2f8de3e684 in start_thread () at /lib64/libpthread.so.0
#7 0x00007f2f8a804efd in clone () at /lib64/libc.so.6
Thread 5 (Thread 0x7f2f53fff700 (LWP 24266)):
#0 0x00007f2f8de4436f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1 0x00007f2f944885b4 in () at /usr/lib64/libQt5Script.so.5
#2 0x00007f2f944885f9 in () at /usr/lib64/libQt5Script.so.5
#3 0x00007f2f8de3e684 in start_thread () at /lib64/libpthread.so.0
#4 0x00007f2f8a804efd in clone () at /lib64/libc.so.6
Thread 4 (Thread 0x7f2f5b07a700 (LWP 24264)):
#0 0x00007f2f8a7f930d in poll () at /lib64/libc.so.6
#1 0x00007f2f8b61f2f2 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007f2f8b6209da in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007f2f8b5d17ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007f2f8b4066ec in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007f2f93304ee5 in () at /usr/lib64/libQt5Qml.so.5
#6 0x00007f2f8b40b069 in () at /usr/lib64/libQt5Core.so.5
#7 0x00007f2f8de3e684 in start_thread () at /lib64/libpthread.so.0
#8 0x00007f2f8a804efd in clone () at /lib64/libc.so.6
Thread 3 (Thread 0x7f2f790b8700 (LWP 24249)):
#0 0x00007f2f8a7f930d in poll () at /lib64/libc.so.6
#1 0x00007f2f8b61f2f2 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib64/libQt5Core.so.5
#2 0x00007f2f8b6209da in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#3 0x00007f2f8b5d17ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#4 0x00007f2f8b4066ec in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5 0x00007f2f907c6495 in () at /usr/lib64/libQt5DBus.so.5
#6 0x00007f2f8b40b069 in () at /usr/lib64/libQt5Core.so.5
#7 0x00007f2f8de3e684 in start_thread () at /lib64/libpthread.so.0
#8 0x00007f2f8a804efd in clone () at /lib64/libc.so.6
Thread 2 (Thread 0x7f2f7abba700 (LWP 24248)):
#0 0x00007f2f8a7f930d in poll () at /lib64/libc.so.6
#1 0x00007f2f8d5a9102 in () at /usr/lib64/libxcb.so.1
#2 0x00007f2f8d5aac8f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3 0x00007f2f7bd77dd9 in () at
/usr/lib64/qt5/plugins/platforms/../../../libQt5XcbQpa.so.5
#4 0x00007f2f8b40b069 in () at /usr/lib64/libQt5Core.so.5
#5 0x00007f2f8de3e684 in start_thread () at /lib64/libpthread.so.0
#6 0x00007f2f8a804efd in clone () at /lib64/libc.so.6
Thread 1 (Thread 0x7f2f95764800 (LWP 24243)):
[KCrash Handler]
#6 0x00007f2f932a2f24 in () at /usr/lib64/libQt5Qml.so.5
#7 0x00007f2f932a0bb1 in QQmlMetaType::qmlSingletonTypes() () at
/usr/lib64/libQt5Qml.so.5
#8 0x00007f2f9327a360 in QQmlEngine::~QQmlEngine() () at
/usr/lib64/libQt5Qml.so.5
#9 0x00007f2f9327a4c9 in QQmlEngine::~QQmlEngine() () at
/usr/lib64/libQt5Qml.so.5
#10 0x00007f2f8a737fb8 in __run_exit_handlers () at /lib64/libc.so.6
#11 0x00007f2f8a738005 in () at /lib64/libc.so.6
#12 0x00007f2f70640d05 in () at /usr/lib64/xorg/modules/dri/i965_dri.so
#13 0x00007f2f7064cafc in () at /usr/lib64/xorg/modules/dri/i965_dri.so
#14 0x00007f2f703cbb44 in () at /usr/lib64/xorg/modules/dri/i965_dri.so
#15 0x00007f2f703cbcd2 in () at /usr/lib64/xorg/modules/dri/i965_dri.so
#16 0x00007f2f8bdef237 in () at /usr/lib64/libQt5Gui.so.5
#17 0x00007f2f8bdf151f in QOpenGLFramebufferObject::toImage(bool, int) const ()
at /usr/lib64/libQt5Gui.so.5
#18 0x00007f2f8bdf18b0 in QOpenGLFramebufferObject::toImage() const () at
/usr/lib64/libQt5Gui.so.5
#19 0x00007f2f728c451c in () at
/usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#20 0x00007f2f8b5fc6d6 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#21 0x00007f2f8b608b38 in QTimer::timerEvent(QTimerEvent*) () at
/usr/lib64/libQt5Core.so.5
#22 0x00007f2f8b5fd15b in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#23 0x00007f2f8c2de41c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f2f8c2e5836 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#25 0x00007f2f8b5d3278 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#26 0x00007f2f8b622c3e in QTimerInfoList::activateTimers() () at
/usr/lib64/libQt5Core.so.5
#27 0x00007f2f8b620c52 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#28 0x00007f2f7bdecb5d in () at
/usr/lib64/qt5/plugins/platforms/../../../libQt5XcbQpa.so.5
#29 0x00007f2f8b5d17ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#30 0x00007f2f8b5d981d in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#31 0x00007f2f953c9a32 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#32 0x00007f2f8a71e7d0 in __libc_start_main () at /lib64/libc.so.6
#33 0x0000000000400c49 in _start ()
Reported using DrKonqi
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