https://bugs.kde.org/show_bug.cgi?id=389201
Bug ID: 389201
Summary: kwin crashed
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: gose...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.11.5)
Qt Version: 5.10.0
Frameworks Version: 5.42.0
Operating System: Linux 4.14.13-1-ARCH x86_64
Distribution: "Arch Linux"
-- Information about the crash:
I was doing Alt-Tab to switch between applications.
After the crash, a black square appears at the upper left corner of the screen
(with a tooltip saying 'Clementine').
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5573e53840 (LWP 951))]
Thread 6 (Thread 0x7f54c35ff700 (LWP 1679)):
#0 0x00007f556c71539d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f5570b8c00c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007f556b8df9ca in () at /usr/lib/libQt5Quick.so.5
#3 0x00007f556b8dfe54 in () at /usr/lib/libQt5Quick.so.5
#4 0x00007f5570b8ab2d in () at /usr/lib/libQt5Core.so.5
#5 0x00007f556c70f08c in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f55737fee1f in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7f555082d700 (LWP 1010)):
#0 0x00007f556c71539d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f556fcdff77 in () at /usr/lib/libQt5Script.so.5
#2 0x00007f556fcdffb9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007f556c70f08c in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f55737fee1f in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7f5551a7e700 (LWP 1001)):
#0 0x00007f5570b81d2c in QMutex::lock() () at /usr/lib/libQt5Core.so.5
#1 0x00007f5570d7a375 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#2 0x00007f5570dd0ca6 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f5570d75d0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f5570b8578e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f556b1e1a19 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f5570b8ab2d in () at /usr/lib/libQt5Core.so.5
#7 0x00007f556c70f08c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f55737fee1f in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7f5553fff700 (LWP 961)):
#0 0x00007f55737f4a16 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f5570dcf6f3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f5570dd0e8f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f5570d75d0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f5570b8578e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f556a355416 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007f5570b8ab2d in () at /usr/lib/libQt5Core.so.5
#7 0x00007f556c70f08c in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f55737fee1f in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7f555a573700 (LWP 952)):
#0 0x00007f55737f491b in poll () at /usr/lib/libc.so.6
#1 0x00007f55728f48e0 in () at /usr/lib/libxcb.so.1
#2 0x00007f55728f6679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3 0x00007f555b6607aa in () at /usr/lib/libQt5XcbQpa.so.5
#4 0x00007f5570b8ab2d in () at /usr/lib/libQt5Core.so.5
#5 0x00007f556c70f08c in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f55737fee1f in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7f5573e53840 (LWP 951)):
[KCrash Handler]
#5 0x0000000000000000 in ()
#6 0x00007f55732ed09d in KWin::Workspace::constrainedStackingOrder() () at
/usr/lib/libkwin.so.5
#7 0x00007f55732ede81 in KWin::Workspace::updateStackingOrder(bool) () at
/usr/lib/libkwin.so.5
#8 0x00007f55732ee221 in KWin::Workspace::blockStackingUpdates(bool) () at
/usr/lib/libkwin.so.5
#9 0x00007f5573295d74 in KWin::Client::destroyClient() () at
/usr/lib/libkwin.so.5
#10 0x00007f55732faa3f in
KWin::Client::unmapNotifyEvent(xcb_unmap_notify_event_t*) () at
/usr/lib/libkwin.so.5
#11 0x00007f55732fe714 in KWin::Client::windowEvent(xcb_generic_event_t*) () at
/usr/lib/libkwin.so.5
#12 0x00007f55732ff87a in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() at /usr/lib/libkwin.so.5
#13 0x00007f5570d7473f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/libQt5Core.so.5
#14 0x00007f555b662372 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/libQt5XcbQpa.so.5
#15 0x00007f555b662ffe in QXcbConnection::processXcbEvents() () at
/usr/lib/libQt5XcbQpa.so.5
#16 0x00007f5570da8932 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#17 0x00007f5571af1e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#18 0x00007f5571af9816 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#19 0x00007f5570d776c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#20 0x00007f5570d7a326 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#21 0x00007f5570dd0ca6 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#22 0x00007f555b6e858e in () at /usr/lib/libQt5XcbQpa.so.5
#23 0x00007f5570d75d0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#24 0x00007f5570d7eff8 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#25 0x00007f5573ac86e3 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#26 0x00007f5573729f4a in __libc_start_main () at /usr/lib/libc.so.6
#27 0x00005561164ae7aa in _start ()
The reporter indicates this bug may be a duplicate of or related to bug 370244.
Possible duplicates by query: bug 370244, bug 369318.
Reported using DrKonqi
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