https://bugs.kde.org/show_bug.cgi?id=394927
Bug ID: 394927
Summary: KWin crashes when, during 'expose' mode, I try to
filter the windows by using a composite key
combination
Product: kwin
Version: 5.12.5
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: leandrosansi...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.12.5)
Qt Version: 5.11.0
Frameworks Version: 5.46.0
Operating System: Linux 4.14.41-1-lts x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
- What I was doing when the application crashed:
enabled 'expose', typed the keys ` and then a, in a pt_BR (abnt2) keyboard,
expecting to filter windows with the letter 'à' in the name.
- Unusual behavior I noticed:
KWin crashed and restarted.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0606c53840 (LWP 806))]
Thread 7 (Thread 0x7f05d3dd1700 (LWP 4304)):
#0 0x00007f06065ecfa6 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f06039f7d1b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f06039f920b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f06039a785c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f06037f0ac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f05fe0a6559 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f06037fab95 in () at /usr/lib/libQt5Core.so.5
#7 0x00007f05ff65b075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f06065f753f in clone () at /usr/lib/libc.so.6
Thread 6 (Thread 0x7f05e4f70700 (LWP 1488)):
#0 0x00007f06039f908e in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#1 0x00007f06039a785c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#2 0x00007f06037f0ac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#3 0x00007f05fe0a6559 in () at /usr/lib/libQt5Qml.so.5
#4 0x00007f06037fab95 in () at /usr/lib/libQt5Core.so.5
#5 0x00007f05ff65b075 in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f06065f753f in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7f05d35d0700 (LWP 916)):
#0 0x00007f05ff660ffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f0602920bbc in () at /usr/lib/libQt5Script.so.5
#2 0x00007f0602920bd9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007f05ff65b075 in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f06065f753f in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7f05dffff700 (LWP 895)):
#0 0x00007f06065ecfa6 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f06039f7d1b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f06039f920b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f06039a785c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f06037f0ac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f05fe0a6559 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f06037fab95 in () at /usr/lib/libQt5Core.so.5
#7 0x00007f05ff65b075 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f06065f753f in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7f05e67e7700 (LWP 868)):
#0 0x00007f06037ed74c in QMutex::lock() () at /usr/lib/libQt5Core.so.5
#1 0x00007f06039f908e in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#2 0x00007f06039a785c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#3 0x00007f06037f0ac9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#4 0x00007f05fcf9d976 in () at /usr/lib/libQt5DBus.so.5
#5 0x00007f06037fab95 in () at /usr/lib/libQt5Core.so.5
#6 0x00007f05ff65b075 in start_thread () at /usr/lib/libpthread.so.0
#7 0x00007f06065f753f in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7f05ecd67700 (LWP 846)):
#0 0x00007f06065ecea9 in poll () at /usr/lib/libc.so.6
#1 0x00007f0605516180 in () at /usr/lib/libxcb.so.1
#2 0x00007f0605517e4b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3 0x00007f05ede55f1a in () at /usr/lib/libQt5XcbQpa.so.5
#4 0x00007f06037fab95 in () at /usr/lib/libQt5Core.so.5
#5 0x00007f05ff65b075 in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007f06065f753f in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7f0606c53840 (LWP 806)):
[KCrash Handler]
#6 0x00007f06039a8ac4 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#7 0x00007f05e6c8171d in () at
/usr/lib/qt/plugins/platforminputcontexts/libcomposeplatforminputcontextplugin.so
#8 0x00007f05e6c81a19 in () at
/usr/lib/qt/plugins/platforminputcontexts/libcomposeplatforminputcontextplugin.so
#9 0x00007f05ede620fc in () at /usr/lib/libQt5XcbQpa.so.5
#10 0x00007f05ede62538 in () at /usr/lib/libQt5XcbQpa.so.5
#11 0x00007f05ede57dd8 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/libQt5XcbQpa.so.5
#12 0x00007f05ede582fd in QXcbConnection::processXcbEvents() () at
/usr/lib/libQt5XcbQpa.so.5
#13 0x00007f06039d32e2 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#14 0x00007f0604718984 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#15 0x00007f060472025b in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#16 0x00007f06039a8bc9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#17 0x00007f06039abc5c in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#18 0x00007f06039f907d in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#19 0x00007f05edeeadee in () at /usr/lib/libQt5XcbQpa.so.5
#20 0x00007f06039a785c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#21 0x00007f06039afb56 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#22 0x00007f06068c3b56 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#23 0x00007f060652206b in __libc_start_main () at /usr/lib/libc.so.6
#24 0x000055f6c1e8975a in _start ()
Reported using DrKonqi
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