[kwin] [Bug 373901] KWIN keeps crashing at random tasks

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=373901

Christoph Feck  changed:

   What|Removed |Added

Version|unspecified |5.8.2
   Severity|normal  |crash

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[kwin] [Bug 373901] KWIN keeps crashing at random tasks

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=373901

Christoph Feck  changed:

   What|Removed |Added

 Status|NEEDSINFO   |RESOLVED
 Resolution|BACKTRACE   |DUPLICATE

--- Comment #6 from Christoph Feck  ---
Thanks for the update. This crash is in Qt code; reported for Qt 5.5, but also
recently for Qt 5.7.1 on debian testing.

*** This bug has been marked as a duplicate of bug 373865 ***

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[kwin] [Bug 373901] KWIN keeps crashing at random tasks

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=373901

--- Comment #5 from a.harrington080...@gmail.com ---
The only thing I may have connected/disconnected while sleeping, is the power
cord (laptop charger). 

Here's the backtrace for the crash when snapping a window to the top of the
screen to full size it. 

Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f16b11aa580 (LWP 1295))]

Thread 5 (Thread 0x7f168926f700 (LWP 1403)):
#0  0x7f16aa9d318f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#1  0x7f16adcf92c4 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x7f16adcf9309 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x7f16aa9cd464 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#4  0x7f16b0cbb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f168bde1700 (LWP 1387)):
#0  0x7f16b0cb2631 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x7f16aeb8ea21 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x7f16aeb9031a in
QEventDispatcherUNIX::processEvents(QFlags) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x7f16aeb3d07a in
QEventLoop::exec(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x7f16ae95f0d3 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x7f16a9b2b5d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x7f16ae963d88 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x7f16aa9cd464 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x7f16b0cbb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f1692aaf700 (LWP 1343)):
#0  0x7f16b0cb2631 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x7f16aeb8ea21 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x7f16aeb9031a in
QEventDispatcherUNIX::processEvents(QFlags) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x7f16aeb3d07a in
QEventLoop::exec(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x7f16ae95f0d3 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x7f16b12cc6d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x7f16ae963d88 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x7f16aa9cd464 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x7f16b0cbb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f1698877700 (LWP 1313)):
#0  0x7f16b0cb256d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x7f16afe20150 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x7f16afe21ee9 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x7f1699521b69 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x7f16ae963d88 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x7f16aa9cd464 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#6  0x7f16b0cbb9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f16b11aa580 (LWP 1295)):
[KCrash Handler]
#6  0x7f16b0c05fdf in raise () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x7f16b0c0740a in abort () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x7f16b0c43bd0 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x7f16b0c49fa6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x7f16b0c4a79e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x7f16a4e7e771 in XIQueryDevice () from
/usr/lib/x86_64-linux-gnu/libXi.so.6
#12 0x7f169954c366 in QXcbConnection::handleEnterEvent() () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#13 0x7f1699538d18 in QXcbWindow::handleEnterNotifyEvent(int, int, int,
int, unsigned char, unsigned char, unsigned int) () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x7f169953928f in QXcbWindow::handleXIEnterLeave(xcb_ge_event_t*) ()
from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x7f16995513bc in QXcbConnection::xi2HandleEvent(xcb_ge_event_t*) ()
from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#16 0x7f1699523aca in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x7f1699524015 in QXcbConnection::processXcbEvents() () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x7f16aeb6bb39 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x7f16af426b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x7f16af42e2e1 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x7f16aeb3f090 in 

[kwin] [Bug 373901] KWIN keeps crashing at random tasks

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=373901

--- Comment #4 from Christoph Feck  ---
Did you add/remove input devices during the suspend? Qt does not seem to like
this.

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[kwin] [Bug 373901] KWIN keeps crashing at random tasks

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=373901

--- Comment #3 from a.harrington080...@gmail.com ---
Here's the backtrace for the ksmserver crash on resume from standby:

Application: ksmserver (ksmserver), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff78e3ce940 (LWP 1287))]

Thread 2 (Thread 0x7ff78b03d700 (LWP 1298)):
#0  0x7ff7a208f5dd in read () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x7ff7968fbc40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7ff7968b74be in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x7ff7968b7994 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x7ff7968b7b0c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x7ff79d8126fb in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x7ff79d7bc07a in
QEventLoop::exec(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x7ff79d5de0d3 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x7ff7a27196d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x7ff79d5e2d88 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x7ff7985c1464 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#11 0x7ff7a209c9df in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7ff78e3ce940 (LWP 1287)):
[KCrash Handler]
#6  0x7ff7a1fe6fdf in raise () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x7ff7a1fe840a in abort () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x7ff7a2024bd0 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x7ff7a202afa6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x7ff7a202b79e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x7ff79c290771 in XIQueryDevice () from
/usr/lib/x86_64-linux-gnu/libXi.so.6
#12 0x7ff78e16f366 in QXcbConnection::handleEnterEvent() () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#13 0x7ff78e15bd18 in QXcbWindow::handleEnterNotifyEvent(int, int, int,
int, unsigned char, unsigned char, unsigned int) () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x7ff78e15c28f in QXcbWindow::handleXIEnterLeave(xcb_ge_event_t*) ()
from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x7ff78e1743bc in QXcbConnection::xi2HandleEvent(xcb_ge_event_t*) ()
from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#16 0x7ff78e146aca in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x7ff78e147015 in QXcbConnection::processXcbEvents() () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x7ff79d7eab39 in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x7ff79e0a5b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x7ff79e0ad2e1 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x7ff79d7be090 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x7ff79d7c081d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x7ff79d8122d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x7ff7968b77f7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x7ff7968b7a60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x7ff7968b7b0c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x7ff79d8126df in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x7ff79d7bc07a in
QEventLoop::exec(QFlags) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x7ff79d7c47ec in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x7ff7a2364591 in kdemain () from
/usr/lib/x86_64-linux-gnu/libkdeinit5_ksmserver.so
#31 0x7ff7a1fd42b1 in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#32 0x004006fa in _start ()

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[kwin] [Bug 373901] KWIN keeps crashing at random tasks

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=373901

--- Comment #2 from a.harrington080...@gmail.com ---
Right after posting this, I had Kwin crash again after waking, and then (I was
in fact mistake) ksmserver crashed (not Kwin) when snapping a window to the
side of my screen. 

I didn't grab the error reports, but I did go through both of them and the red
highlighted section on both said something about libc.so.6 causing the error.

Next time it happens, I'll save the crash reports and post them here

Thank you

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[kwin] [Bug 373901] KWIN keeps crashing at random tasks

[Martin Gräßlin]

https://bugs.kde.org/show_bug.cgi?id=373901

Martin Gräßlin  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEEDSINFO
 Resolution|--- |BACKTRACE

--- Comment #1 from Martin Gräßlin  ---
If it crashes, please provide a backtrace. A small icon with a "sad face"
should show up in the systray. There you can generate the backtrace in the
developer information tab. Without the backtrace we cannot investigate the
crash.

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