Bug 405487

Summary: Crash on closing Krita
Product: [Applications] krita Reporter: Halla Rempt <halla>
Component: GeneralAssignee: Krita Bugs <krita-bugs-null>
Status: RESOLVED NOT A BUG    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Halla Rempt 2019-03-15 08:11:40 UTC 
Application: krita (4.2.0-pre-alpha (git 5c0ca4e))

Qt Version: 5.12.0
Frameworks Version: 5.56.0
Operating System: Linux 4.15.0-46-generic x86_64
Distribution: KDE neon User Edition 5.15

-- Information about the crash:
The small color selector was visible. I had opened a file, closed it then closed krita in quick succession.

-- Backtrace:
Application: Krita (krita), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7a85c1e840 (LWP 29009))]

Thread 9 (Thread 0x7f7a23fff700 (LWP 29118)):
#0  0x00007f7a7a154ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f7a23ffebc0, expected=0, futex_word=0x7f7a240064c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f7a23ffec80, mutex=0x7f7a24006470, cond=0x7f7a24006498) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f7a24006498, mutex=0x7f7a24006470, abstime=0x7f7a23ffec80) at pthread_cond_wait.c:667
#3  0x00007f7a80fb4ac6 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7a80fb4e25 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7a80fb25dd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7a80fadbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7a7a14e6db in start_thread (arg=0x7f7a23fff700) at pthread_create.c:463
#8  0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f7a28b63700 (LWP 29117)):
#0  0x00007f7a806840b4 in __GI___libc_read (fd=21, buf=0x7f7a28b62b50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f7a78896cd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7a78852027 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7a788524e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7a7885264c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7a811e315b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7a8118464a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7a80fac41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7a80fadbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f7a7a14e6db in start_thread (arg=0x7f7a28b63700) at pthread_create.c:463
#10 0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f7a3d1e9700 (LWP 29091)):
#0  0x00007f7a80688bf9 in __GI___poll (fds=0x7f7a300041e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7a78852539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7a7885264c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7a811e315b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7a8118464a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7a80fac41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7a63c782e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f7a80fadbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7a7a14e6db in start_thread (arg=0x7f7a3d1e9700) at pthread_create.c:463
#9  0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f7a3c9e8700 (LWP 29080)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f7a80fb0580 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f7a80fb03f2 in QSemaphore::tryAcquire(int, int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f7a83003cd3 in KisTileDataSwapper::waitForWork (this=<optimized out>) at /home/boud/dev/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:86
#4  0x00007f7a83003f2a in KisTileDataSwapper::run (this=0x7f7a836a9d00 <_ZZN12_GLOBAL__N_116Q_QGS_s_instance13innerFunctionEvE6holder+64>) at /home/boud/dev/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:92
#5  0x00007f7a80fadbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7a7a14e6db in start_thread (arg=0x7f7a3c9e8700) at pthread_create.c:463
#7  0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f7a3f94c700 (LWP 29078)):
#0  0x00007f7a80688bf9 in __GI___poll (fds=0x7f7a38004670, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7a78852539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7a7885264c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7a811e315b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7a8118464a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7a80fac41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7a80fadbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7a7a14e6db in start_thread (arg=0x7f7a3f94c700) at pthread_create.c:463
#8  0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f7a6b472700 (LWP 29018)):
#0  0x00007f7a7a1549f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b61147c148) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55b61147c0f8, cond=0x55b61147c120) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55b61147c120, mutex=0x55b61147c0f8) at pthread_cond_wait.c:655
#3  0x00007f7a5d1f0b1b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7a5d1f0847 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7a7a14e6db in start_thread (arg=0x7f7a6b472700) at pthread_create.c:463
#6  0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f7a57ebe700 (LWP 29017)):
#0  0x00007f7a80688bf9 in __GI___poll (fds=0x7f7a57ebdc78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7a775f1747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f7a775f336a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7a6c7bb32a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f7a80fadbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7a7a14e6db in start_thread (arg=0x7f7a57ebe700) at pthread_create.c:463
#6  0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f7a5fe1e700 (LWP 29011)):
#0  0x00007f7a80688bf9 in __GI___poll (fds=0x7f7a58004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7a78852539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7a7885264c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7a811e315b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7a8118464a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7a80fac41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7a7a37c015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f7a80fadbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7a7a14e6db in start_thread (arg=0x7f7a5fe1e700) at pthread_create.c:463
#9  0x00007f7a8069588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f7a85c1e840 (LWP 29009)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f7a805b4801 in __GI_abort () at abort.c:79
#8  0x00007f7a80f89e7b in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f7a828dc80e in kis_assert_common (assertion=assertion@entry=0x7f7a849d46b7 "m_d->paintingColorSpace", file=file@entry=0x7f7a849d4560 "/home/boud/dev/krita/libs/ui/canvas/kis_display_color_converter.cpp", line=line@entry=357, throwException=throwException@entry=false, isIgnorable=isIgnorable@entry=false) at /home/boud/dev/krita/libs/global/kis_assert.cpp:90
#10 0x00007f7a828dc92a in kis_assert_recoverable (assertion=assertion@entry=0x7f7a849d46b7 "m_d->paintingColorSpace", file=file@entry=0x7f7a849d4560 "/home/boud/dev/krita/libs/ui/canvas/kis_display_color_converter.cpp", line=line@entry=357) at /home/boud/dev/krita/libs/global/kis_assert.cpp:103
#11 0x00007f7a84440bed in KisDisplayColorConverter::paintingColorSpace (this=<optimized out>) at /home/boud/dev/krita/libs/ui/canvas/kis_display_color_converter.cpp:357
#12 0x00007f7a404e283a in KisSmallColorWidget::Private::generationColorSpace (this=0x55b61c745e30) at /home/boud/dev/krita/plugins/dockers/smallcolorselector/kis_small_color_widget.cc:77
#13 0x00007f7a404de249 in KisSmallColorWidget::uploadPaletteData<(anonymous namespace)::FillHPolicy> (this=0x55b61c745470, size=..., widget=0x55b61c747420) at /home/boud/dev/krita/plugins/dockers/smallcolorselector/kis_small_color_widget.cc:293
#14 KisSmallColorWidget::updateHuePalette (this=this@entry=0x55b61c745470) at /home/boud/dev/krita/plugins/dockers/smallcolorselector/kis_small_color_widget.cc:360
#15 0x00007f7a404df6a9 in KisSmallColorWidget::slotUpdatePalettes (this=0x55b61c745470) at /home/boud/dev/krita/plugins/dockers/smallcolorselector/kis_small_color_widget.cc:261
#16 0x00007f7a404e8195 in KisSmallColorWidget::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /home/boud/dev/b-krita/plugins/dockers/smallcolorselector/kritasmallcolorselector_autogen/EWIEGA46WW/moc_kis_small_color_widget.cpp:132
#17 0x00007f7a811b5e25 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f7a828f7ad1 in KisSignalCompressor::start (this=0x55b61c7462d0) at /home/boud/dev/krita/libs/global/kis_signal_compressor.cpp:85
#19 0x00007f7a81fbd3e2 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f7a81f7c83c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f7a81f83dd0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f7a848a2627 in KisApplication::notify (this=<optimized out>, receiver=0x55b61c745470, event=0x7fffd1812140) at /home/boud/dev/krita/libs/ui/KisApplication.cpp:639
#23 0x00007f7a81186328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f7a81fb41d4 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f7a81fb4f30 in QWidget::setGeometry(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f7a81f9d633 in QWidgetItem::setGeometry(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f7a81f935e0 in QBoxLayout::setGeometry(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f7a81f999c8 in QLayoutPrivate::doResize(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f7a81f7c80a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f7a81f83dd0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f7a848a2627 in KisApplication::notify (this=<optimized out>, receiver=0x55b61c745180, event=0x7fffd18126a0) at /home/boud/dev/krita/libs/ui/KisApplication.cpp:639
#32 0x00007f7a81186328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f7a81fb41d4 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f7a81fb4f30 in QWidget::setGeometry(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f7a81f9d633 in QWidgetItem::setGeometry(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f7a820941d4 in QDockWidgetLayout::setGeometry(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f7a81f999c8 in QLayoutPrivate::doResize(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f7a81f7c80a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f7a81f83dd0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f7a848a2627 in KisApplication::notify (this=<optimized out>, receiver=0x55b61c742850, event=0x7fffd1812c10) at /home/boud/dev/krita/libs/ui/KisApplication.cpp:639
#41 0x00007f7a81186328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f7a81fb41d4 in QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007f7a81fb4f30 in QWidget::setGeometry(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007f7a81fbc18f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f7a81fbe9d3 in QWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f7a82094bd5 in QDockWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f7a404e8775 in SmallColorSelectorDock::qt_metacall (this=0x55b61c742850, _c=QMetaObject::WriteProperty, _id=<optimized out>, _a=0x7fffd1812df0) at /home/boud/dev/b-krita/plugins/dockers/smallcolorselector/kritasmallcolorselector_autogen/EWIEGA46WW/moc_smallcolorselector_dock.cpp:110
#48 0x00007f7a80f96627 in QPropertyAnimation::updateCurrentValue(QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007f7a80f913e8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007f7a80f9261d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007f7a80f97712 in QPropertyAnimation::updateState(QAbstractAnimation::State, QAbstractAnimation::State) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x00007f7a80f8f4ec in QAbstractAnimation::start(QAbstractAnimation::DeletionPolicy) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007f7a82063066 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#54 0x00007f7a8209c736 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#55 0x00007f7a8209c809 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#56 0x00007f7a8209c992 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#57 0x00007f7a820ccc4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007f7a820d044e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#59 0x00007f7a81f999c8 in QLayoutPrivate::doResize(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#60 0x00007f7a81f7c80a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#61 0x00007f7a81f83dd0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007f7a848a2627 in KisApplication::notify (this=<optimized out>, receiver=0x55b61ab7b200, event=0x7fffd1813a60) at /home/boud/dev/krita/libs/ui/KisApplication.cpp:639
#63 0x00007f7a81186328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#64 0x00007f7a81fd6f1b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#65 0x00007f7a81fda414 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#66 0x00007f7a81f7c83c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007f7a81f83dd0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#68 0x00007f7a848a2627 in KisApplication::notify (this=<optimized out>, receiver=0x55b61abdcef0, event=0x7fffd1813a60) at /home/boud/dev/krita/libs/ui/KisApplication.cpp:639
#69 0x00007f7a81186328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#70 0x00007f7a8174b05d in QGuiApplicationPrivate::processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#71 0x00007f7a8174f79d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#72 0x00007f7a8172814b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#73 0x00007f7a6c7bc30a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#74 0x00007f7a78852387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007f7a788525c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007f7a7885264c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007f7a811e313f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#78 0x00007f7a8118464a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#79 0x00007f7a8118d800 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#80 0x000055b60e9ce191 in main (argc=<optimized out>, argv=0x7fffd1814068) at /home/boud/dev/krita/krita/main.cc:477

Possible duplicates by query: bug 404741, bug 404521, bug 404179, bug 402494, bug 401442.

Reported using DrKonqi
Comment 1 Halla Rempt 2019-04-04 09:57:51 UTC 
Must be a build issue, since this should be a recoverable assert.