https://bugs.kde.org/show_bug.cgi?id=407075
Bug ID: 407075
Summary: crash wen switching apps on different desktops
(texstudio)
Product: kwin
Version: 5.12.7
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: likankur...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.12.7)
Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.18.0-18-generic x86_64
Distribution: Ubuntu 18.04.2 LTS
-- Information about the crash:
- What I was doing when the application crashed:
- Unusual behavior I noticed:
when switchin between desktops, texstudio behaves extrange, and kwin has
crashed a couple of times.
The crash can be reproduced sometimes.
-- 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 0x7f26bc03ccc0 (LWP 17026))]
Thread 10 (Thread 0x7f25ed404700 (LWP 17912)):
#0 0x00007f26b4a059f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5591272174e0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f26b4a059f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x559127217490, cond=0x5591272174b8) at pthread_cond_wait.c:502
#2 0x00007f26b4a059f3 in __pthread_cond_wait (cond=0x5591272174b8,
mutex=0x559127217490) at pthread_cond_wait.c:655
#3 0x00007f26b8b695ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f26b3bd96a8 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f26b3bd9b0a in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f26b49ff6db in start_thread (arg=0x7f25ed404700) at
pthread_create.c:463
#8 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7f25ee996700 (LWP 17911)):
#0 0x00007f26bb999cf6 in __GI_ppoll (fds=0x7f25e8000d28, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f26b8d9b671 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f26b8d9cd8e in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f26b8d44a1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f26b8b6323a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f26b34eb6f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f26b49ff6db in start_thread (arg=0x7f25ee996700) at
pthread_create.c:463
#8 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7f269bfff700 (LWP 17571)):
#0 0x00007f26b4a059f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x559127983a00) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f26b4a059f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5591279839b0, cond=0x5591279839d8) at pthread_cond_wait.c:502
#2 0x00007f26b4a059f3 in __pthread_cond_wait (cond=0x5591279839d8,
mutex=0x5591279839b0) at pthread_cond_wait.c:655
#3 0x00007f26b8b695ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f26b3bd96a8 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f26b3bd9b0a in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f26b49ff6db in start_thread (arg=0x7f269bfff700) at
pthread_create.c:463
#8 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f2684b00700 (LWP 17154)):
[KCrash Handler]
#6 0x00007f26b34688dd in QQmlMetaType::qmlSingletonTypes() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f26b34488d0 in QQmlEngine::~QQmlEngine() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f26b34489b9 in QQmlEngine::~QQmlEngine() () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007f26bb8c8041 in __run_exit_handlers (status=1, listp=0x7f26bbc70718
<__exit_funcs>, run_list_atexit=run_list_atexit@entry=true,
run_dtors=run_dtors@entry=true) at exit.c:108
#10 0x00007f26bb8c813a in __GI_exit (status=<optimized out>) at exit.c:139
#11 0x00007f26b1d19775 in _XDefaultIOError () at
/usr/lib/x86_64-linux-gnu/libX11.so.6
#12 0x00007f26a2ea3c97 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#13 0x00007f26b1d1999e in _XIOError () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#14 0x00007f26b1d17a81 in _XReply () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#15 0x00007f26ab241583 in () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#16 0x00007f26ab2417bc in () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#17 0x00007f26ab240d9b in () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#18 0x00007f26ab23d72f in () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#19 0x00007f26ab23d97b in glXSwapBuffers () at
/usr/lib/x86_64-linux-gnu/libGLX.so.0
#20 0x00007f26a0fa5902 in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#21 0x00007f26b934206a in QOpenGLContext::swapBuffers(QSurface*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007f26b3bd4c03 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f26b3bd9ac8 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f26b49ff6db in start_thread (arg=0x7f2684b00700) at
pthread_create.c:463
#26 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f2677fff700 (LWP 17049)):
#0 0x00007f26b4a059f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f26b7f9cfb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f26b4a059f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f26b7f9cf68, cond=0x7f26b7f9cf90) at pthread_cond_wait.c:502
#2 0x00007f26b4a059f3 in __pthread_cond_wait (cond=0x7f26b7f9cf90,
mutex=0x7f26b7f9cf68) at pthread_cond_wait.c:655
#3 0x00007f26b7ca65f4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007f26b7ca6639 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007f26b49ff6db in start_thread (arg=0x7f2677fff700) at
pthread_create.c:463
#6 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f268551b700 (LWP 17044)):
#0 0x00007f26bb999cf6 in __GI_ppoll (fds=0x559126480388, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f26b8d9b671 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f26b8d9cd8e in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f26b8d44a1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f26b8b6323a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f26b49ff6db in start_thread (arg=0x7f268551b700) at
pthread_create.c:463
#7 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f2686b42700 (LWP 17043)):
#0 0x00007f26bb999cf6 in __GI_ppoll (fds=0x7f2680000d28, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f26b8d9b671 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f26b8d9cd8e in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f26b8d44a1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f26b8b6323a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f26b34eb6f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f26b49ff6db in start_thread (arg=0x7f2686b42700) at
pthread_create.c:463
#8 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f26a093d700 (LWP 17028)):
#0 0x00007f26bb999cf6 in __GI_ppoll (fds=0x7f269400ab58, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f26b8d9b671 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f26b8d9cd8e in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f26b8d44a1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f26b8b6323a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f26b23c4d45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f26b49ff6db in start_thread (arg=0x7f26a093d700) at
pthread_create.c:463
#8 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f26a1fc7700 (LWP 17027)):
#0 0x00007f26bb999bf9 in __GI___poll (fds=0x7f26a1fc6c68, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f26ba8a3747 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f26ba8a536a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f26a2ea62a9 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f26b8b6817d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f26b49ff6db in start_thread (arg=0x7f26a1fc7700) at
pthread_create.c:463
#6 0x00007f26bb9a688f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f26bc03ccc0 (LWP 17026)):
#0 0x00007f26b4a059f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55912641db48) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f26b4a059f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55912641dad0, cond=0x55912641db20) at pthread_cond_wait.c:502
#2 0x00007f26b4a059f3 in __pthread_cond_wait (cond=0x55912641db20,
mutex=0x55912641dad0) at pthread_cond_wait.c:655
#3 0x00007f26b1d04a4d in () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#4 0x00007f26b1d04ed9 in () at /usr/lib/x86_64-linux-gnu/libX11.so.6
#5 0x00007f26b1d048d7 in XLockDisplay () at
/usr/lib/x86_64-linux-gnu/libX11.so.6
#6 0x00007f26a0fa4def in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#7 0x00007f26a2ea7939 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8 0x00007f26a2ea84ac in QXcbConnection::processXcbEvents() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#9 0x00007f26b8d761d2 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f26b9ac483c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f26b9acc104 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f26b8d469e8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f26b8d4915d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f26b8d9cba4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f26a2f095cd in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#16 0x00007f26b8d44a1a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f26b8d4dac4 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f26bbc7edbb in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#19 0x00007f26bb8a6b97 in __libc_start_main (main=0x559124401730, argc=1,
argv=0x7ffd02bcf238, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd02bcf228) at ../csu/libc-start.c:310
#20 0x000055912440176a in _start ()
Possible duplicates by query: bug 379547.
Reported using DrKonqi
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