https://bugs.kde.org/show_bug.cgi?id=460109

wolthera <griffinval...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |griffinval...@gmail.com
           Keywords|                            |triaged
           Severity|normal                      |crash
     Ever confirmed|0                           |1
             Status|REPORTED                    |CONFIRMED

--- Comment #1 from wolthera <griffinval...@gmail.com> ---
Thanks for the report and the extra settings image!

I am able to reproduce this crash and got a GDB backtrace out of it:

================== GDB ===================

ASSERT failure in QList<T>::at: "index out of range", file
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h, line 571
--Type <RET> for more, q to quit, c to continue without paging--

Thread 136 "Thread (pooled)" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fff6a01e700 (LWP 749064)]
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
50      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) thread apply all backtrace

Thread 137 (Thread 0x7fff4dffe700 (LWP 749065)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fff4dffdc90, clockid=<optimized out>, expected=0,
futex_word=0x55555e6df7d4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fff4dffdc90, clockid=<optimized
out>, mutex=0x55555e6df780, cond=0x55555e6df7a8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55555e6df7a8, mutex=0x55555e6df780,
abstime=0x7fff4dffdc90) at pthread_cond_wait.c:665
#3  0x00007ffff56cd578 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff56caa91 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 136 (Thread 0x7fff6a01e700 (LWP 749064)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007ffff522a859 in __GI_abort () at abort.c:79
#2  0x00007ffff568bbd9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ffff568b044 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff4493f69 in QList<KUndo2Command*>::at(int) const (i=<optimized
out>, this=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:1153
#5  KUndo2QStack::push(KUndo2Command*) (this=0x5555608d8830, cmd=<optimized
out>) at /home/wolthera/krita/src/libs/command/kundo2stack.cpp:732
#6  0x00007ffff70d86c0 in
KisPostExecutionUndoAdapter::addCommand(QSharedPointer<KUndo2Command>)
(this=0x5555600a5ea0, command=...) at
/home/wolthera/krita/src/libs/image/kis_post_execution_undo_adapter.cpp:26
#7  0x00007ffff79e7696 in KisPainterBasedStrokeStrategy::<lambda()>::operator()
(__closure=0x7fffbc05bee0) at /usr/include/c++/9/bits/atomic_base.h:318
#8  std::_Function_handler<void(),
KisPainterBasedStrokeStrategy::finishStrokeCallback()::<lambda()>
>::_M_invoke(const std::_Any_data &) (__functor=...) at
/usr/include/c++/9/bits/std_function.h:300
#9  0x00007ffff79e56ab in
FreehandStrokeStrategy::doStrokeCallback(KisStrokeJobData*)
(this=0x555560954c70, data=0x7fff300de850) at
/home/wolthera/krita/src/libs/ui/tool/strokes/freehand_stroke.cpp:217
#10 0x00007ffff6d44847 in KisStrokeJob::run() (this=<optimized out>) at
/home/wolthera/krita/build/libs/image/kritaimage_autogen/EWIEGA46WW/../../../../../src/libs/image/kis_stroke_job.h:32
#11 KisUpdateJobItem::runImpl() (this=0x55555e6320b0) at
/home/wolthera/krita/build/libs/image/kritaimage_autogen/EWIEGA46WW/../../../../../src/libs/image/kis_update_job_item.h:100
#12 KisUpdateJobItem::run() (this=0x55555e6320b0) at
/home/wolthera/krita/build/libs/image/kritaimage_autogen/EWIEGA46WW/../../../../../src/libs/image/kis_update_job_item.h:49
#13 0x00007ffff56ca892 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#16 0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 135 (Thread 0x7fff718a9700 (LWP 749063)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fff718a8c90, clockid=<optimized out>, expected=0,
futex_word=0x555560245590) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fff718a8c90, clockid=<optimized
out>, mutex=0x555560245540, cond=0x555560245568) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555560245568, mutex=0x555560245540,
abstime=0x7fff718a8c90) at pthread_cond_wait.c:665
#3  0x00007ffff56cd578 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff56caa91 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 134 (Thread 0x7fff728dd700 (LWP 749062)):
--Type <RET> for more, q to quit, c to continue without paging--
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fff728dcc90, clockid=<optimized out>, expected=0,
futex_word=0x555560c27f80) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fff728dcc90, clockid=<optimized
out>, mutex=0x555560c27f30, cond=0x555560c27f58) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555560c27f58, mutex=0x555560c27f30,
abstime=0x7fff728dcc90) at pthread_cond_wait.c:665
#3  0x00007ffff56cd578 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff56caa91 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 133 (Thread 0x7fff4737c700 (LWP 749061)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fff4737bc90, clockid=<optimized out>, expected=0,
futex_word=0x55556004ec24) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fff4737bc90, clockid=<optimized
out>, mutex=0x55556004ebd0, cond=0x55556004ebf8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55556004ebf8, mutex=0x55556004ebd0,
abstime=0x7fff4737bc90) at pthread_cond_wait.c:665
#3  0x00007ffff56cd578 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff56caa91 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 132 (Thread 0x7fff6981d700 (LWP 749060)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fff6981cc90, clockid=<optimized out>, expected=0,
futex_word=0x55556092bf54) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fff6981cc90, clockid=<optimized
out>, mutex=0x55556092bf00, cond=0x55556092bf28) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55556092bf28, mutex=0x55556092bf00,
abstime=0x7fff6981cc90) at pthread_cond_wait.c:665
#3  0x00007ffff56cd578 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff56caa91 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 131 (Thread 0x7fff6a81f700 (LWP 749059)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fff6a81ec90, clockid=<optimized out>, expected=0,
futex_word=0x555560c08884) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fff6a81ec90, clockid=<optimized
out>, mutex=0x555560c08830, cond=0x555560c08858) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555560c08858, mutex=0x555560c08830,
abstime=0x7fff6a81ec90) at pthread_cond_wait.c:665
#3  0x00007ffff56cd578 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff56caa91 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 130 (Thread 0x7fff720aa700 (LWP 749058)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7fff720a9c90, clockid=<optimized out>, expected=0,
futex_word=0x55556084d260) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fff720a9c90, clockid=<optimized
out>, mutex=0x55556084d210, cond=0x55556084d238) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x55556084d238, mutex=0x55556084d210,
abstime=0x7fff720a9c90) at pthread_cond_wait.c:665
#3  0x00007ffff56cd578 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff56caa91 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
--Type <RET> for more, q to quit, c to continue without paging--
#5  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 121 (Thread 0x7fff45d14700 (LWP 744839)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x555560d31610) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555560d315c0,
cond=0x555560d315e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555560d315e8, mutex=0x555560d315c0) at
pthread_cond_wait.c:647
#3  0x00007fffec8b25eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fffec8b21eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7fff44d14700 (LWP 405846)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x555563226214) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555632261c0,
cond=0x5555632261e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5555632261e8, mutex=0x5555632261c0) at
pthread_cond_wait.c:647
#3  0x00007fffec8b25eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fffec8b21eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fff46515700 (LWP 405833)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x555562631850) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555562631800,
cond=0x555562631828) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555562631828, mutex=0x555562631800) at
pthread_cond_wait.c:647
#3  0x00007fffec8b25eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fffec8b21eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fff90bbe700 (LWP 405709)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x7fff78005030, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2be336e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff2be34a3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5908b82 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff58acb3b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c6342 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fffe6be467a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fff928f7700 (LWP 405696)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x7fff74004a30, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
--Type <RET> for more, q to quit, c to continue without paging--
#1  0x00007ffff2be336e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff2be34a3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5908b82 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff58acb3b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c6342 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fffe6439919 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fff920f6700 (LWP 405679)):
#0  0x00007ffff52e523f in __GI___clock_nanosleep (clock_id=clock_id@entry=0,
flags=flags@entry=0, req=0x7fff920f5d40, rem=0x7fff920f5d40) at
../sysdeps/unix/sysv/linux/clock_nanosleep.c:78
#1  0x00007ffff52eaec7 in __GI___nanosleep (requested_time=<optimized out>,
remaining=<optimized out>) at nanosleep.c:27
#2  0x00007ffff59084c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ffff6d7518a in KisTileDataSwapper::run() (this=0x7ffff73257c0
<(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder+64>) at
/home/wolthera/krita/src/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:85
#4  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fff930f8700 (LWP 405673)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x7fff88004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2be336e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff2be34a3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5908b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff58acb3b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c6342 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fffa9896700 (LWP 405671)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x7fff84004a60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2be336e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff2be34a3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5908b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff58acb3b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c6342 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7fffaa4aa700 (LWP 405670)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x7fff8c004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2be336e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
--Type <RET> for more, q to quit, c to continue without paging--
#2  0x00007ffff2be34a3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5908b82 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff58acb3b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c6342 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fffe77fe700 (LWP 405304)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x555556087590) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555556087540,
cond=0x555556087568) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x555556087568, mutex=0x555556087540) at
pthread_cond_wait.c:647
#3  0x00007fffec8b25eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fffec8b21eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fffeedc7700 (LWP 405298)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x5555560d41b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5555560d4168,
cond=0x5555560d4190) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5555560d4190, mutex=0x5555560d4168) at
pthread_cond_wait.c:647
#3  0x00007fffec8b25eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fffec8b21eb in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fffe7fff700 (LWP 405297)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x7fffe7ffec28, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2aecc1a in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ffff2aee90a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fffefcf9e18 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fffef5c8700 (LWP 405275)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x7fffe801ec30, nfds=4, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2be336e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff2be34a3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5908b82 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff58acb3b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff56c6342 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff28bef4b in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007ffff56c7543 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ffff355e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
--Type <RET> for more, q to quit, c to continue without paging--
#9  0x00007ffff5327133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ffff017a880 (LWP 405063)):
#0  0x00007ffff531a99f in __GI___poll (fds=0x5555561ef1f0, nfds=3, timeout=2)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff2be336e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff2be34a3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff5908b82 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ffff58acb3b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff58b4ce4 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x000055555555d92e in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at /home/wolthera/krita/src/krita/main.cc:729
(gdb)

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