https://bugs.kde.org/show_bug.cgi?id=379547
Bug ID: 379547
Summary: KWin creshed when I touch of left top screen corner
with mouse (desktop grid action)
Product: kwin
Version: 5.9.4
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: lukas.ka...@centrum.cz
Target Milestone: ---
Application: kwin_x11 (5.9.4)
Qt Version: 5.7.1
Frameworks Version: 5.31.0
Operating System: Linux 4.11.0 x86_64
Distribution: Ubuntu 17.04
-- Information about the crash:
- What I was doing when the application crashed:
I was using my desktop as usual, when I wanted to show desktop grid, kwin
crashed.
This crash is not reproducible just after kwin_x11 restart, but when I trigger
another action,
like window presentation, followed with desktop grid, it crash... It seems to
me that previous
action keep some dirty context that affect desktop grid. But it is hard to say
what it is without
debugging...
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa4a1550580 (LWP 28339))]
Thread 8 (Thread 0x7fa443fff700 (LWP 28380)):
#0 0x00007fa4a0f94251 in __GI_ppoll (fds=0x7fa3a8000ac8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fa49e85b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fa49e85cb4a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fa49e80988a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fa49e636fe3 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fa499401df5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007fa49e63bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fa49a6946da in start_thread (arg=0x7fa443fff700) at
pthread_create.c:456
#8 0x00007fa4a0fa017f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 7 (Thread 0x7fa442cf1700 (LWP 28377)):
#0 0x00007fa4a0f94251 in __GI_ppoll (fds=0x7fa3ac000da8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fa49e85b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fa49e85cb4a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fa49e80988a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fa49e636fe3 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fa499401df5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007fa49e63bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fa49a6946da in start_thread (arg=0x7fa442cf1700) at
pthread_create.c:456
#8 0x00007fa4a0fa017f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 6 (Thread 0x7fa44d0d3700 (LWP 28376)):
#0 0x00007fa4a0f94251 in __GI_ppoll (fds=0x7fa44406f338, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fa49e85b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fa49e85cb4a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fa49e80988a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fa49e636fe3 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fa499401df5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007fa49e63bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fa49a6946da in start_thread (arg=0x7fa44d0d3700) at
pthread_create.c:456
#8 0x00007fa4a0fa017f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 5 (Thread 0x7fa448be2700 (LWP 28370)):
#0 0x00007fa4a0f94251 in __GI_ppoll (fds=0x7fa3b40a39b8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fa49e85b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fa49e85cb4a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fa49e80988a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fa49e636fe3 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fa49e63bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007fa49a6946da in start_thread (arg=0x7fa448be2700) at
pthread_create.c:456
#7 0x00007fa4a0fa017f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 4 (Thread 0x7fa44a403700 (LWP 28349)):
#0 0x00007fa49a69a510 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007fa49d9c52c4 in QTWTF::TCMalloc_PageHeap::scavengerThread()
(this=0x7fa49daaef20 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2 0x00007fa49d9c5309 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3 0x00007fa49a6946da in start_thread (arg=0x7fa44a403700) at
pthread_create.c:456
#4 0x00007fa4a0fa017f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 3 (Thread 0x7fa463bc8700 (LWP 28345)):
#0 0x00007fa4a0f94251 in __GI_ppoll (fds=0x7fa45c000ac8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fa49e85b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fa49e85cb4a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fa49e80988a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fa49e636fe3 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fa499401df5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007fa49e63bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fa49a6946da in start_thread (arg=0x7fa463bc8700) at
pthread_create.c:456
#8 0x00007fa4a0fa017f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 2 (Thread 0x7fa487d58700 (LWP 28340)):
#0 0x00007fa4a0f94251 in __GI_ppoll (fds=0x7fa48000d1e8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fa49e85b251 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fa49e85cb4a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fa49e80988a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fa49e636fe3 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fa4985da5c5 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007fa49e63bc98 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fa49a6946da in start_thread (arg=0x7fa487d58700) at
pthread_create.c:456
#8 0x00007fa4a0fa017f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 1 (Thread 0x7fa4a1550580 (LWP 28339)):
[KCrash Handler]
#6 0x00007fa49939a064 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007fa499397cc2 in QQmlMetaType::qmlSingletonTypes() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007fa49936ee90 in QQmlEngine::~QQmlEngine() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007fa49936f009 in QQmlEngine::~QQmlEngine() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fa4a0ed2270 in __run_exit_handlers (status=1, listp=0x7fa4a12595d8
<__exit_funcs>, run_list_atexit=run_list_atexit@entry=true,
run_dtors=run_dtors@entry=true) at exit.c:83
#11 0x00007fa4a0ed22ca in __GI_exit (status=<optimized out>) at exit.c:105
#12 0x00007fa497fbfb05 in _XDefaultIOError () at
/usr/lib/x86_64-linux-gnu/libX11.so.6
#13 0x00007fa486d93a5e in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007fa497fbfd3e in _XIOError () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#15 0x00007fa497fbd058 in () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#16 0x00007fa497fbd835 in _XFlush () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#17 0x00007fa497fc03c5 in _XGetRequest () at
/usr/lib/x86_64-linux-gnu/libX11.so.6
#18 0x00007fa497fb956b in XSync () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#19 0x00007fa49707b49e in () at /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
#20 0x00007fa47fdeff9c in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#21 0x00007fa47fde85a9 in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#22 0x00007fa4a0b2818b in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#23 0x00007fa4a0b029ce in KWin::Compositor::performCompositing() () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#24 0x00007fa49e838313 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fa49f4e335c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fa49f4eab11 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fa49e80b8a0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fa49e85eeae in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fa49e85cdba in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fa486e0f9fd in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#31 0x00007fa49e80988a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fa49e811ffc in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fa4a1268112 in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#34 0x00007fa4a0eb83f1 in __libc_start_main (main=0x5602de5e47e0, argc=2,
argv=0x7ffca1b88848, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffca1b88838) at ../csu/libc-start.c:291
#35 0x00005602de5e481a in _start ()
Reported using DrKonqi
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