https://bugs.kde.org/show_bug.cgi?id=403672

            Bug ID: 403672
           Summary: Crash when Krita registered tablet pen
           Product: krita
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: General
          Assignee: krita-bugs-n...@kde.org
          Reporter: jindel...@gmail.com
  Target Milestone: ---

Application: krita (4.1.7.101)

Qt Version: 5.11.3
Frameworks Version: 5.53.0
Operating System: Linux 4.19.16-200.fc28.x86_64 x86_64
Distribution: "Fedora release 28 (Twenty Eight)"

-- Information about the crash:
- What I was doing when the application crashed:
Krita booted and functioned as normal until pen was registered as active near
the tablet's surface, upon which the programme suddenly terminated. This
happens every time I attempted to restart the application.

- Custom settings of the application:
deevad brushes bundle, but there were no issues with it until today. I had
installed the pack mid-December 2018.

The crash can be reproduced every time.

-- Backtrace:
Application: Krita (krita), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5e403fd940 (LWP 30347))]

Thread 8 (Thread 0x7f5dea8e8700 (LWP 30360)):
#0  0x00007f5e33fee429 in poll () from /lib64/libc.so.6
#1  0x00007f5e31b5fc56 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x00007f5e31b5fd80 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f5e34e9ed5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f5e34e4d5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f5e34cb5c16 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f5df4085a8a in QQuickPixmapReader::run() () from
/lib64/libQt5Quick.so.5
#7  0x00007f5e34cbf08b in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f5e32ddf594 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f5e33ff8f4f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f5debfff700 (LWP 30359)):
#0  0x00007f5e34cb2aa3 in QMutex::unlock() () from /lib64/libQt5Core.so.5
#1  0x00007f5e34e9ec71 in postEventSourcePrepare(_GSource*, int*) () from
/lib64/libQt5Core.so.5
#2  0x00007f5e31b5f199 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#3  0x00007f5e31b5fb8b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#4  0x00007f5e31b5fd80 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5  0x00007f5e34e9ed5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#6  0x00007f5e34e4d5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#7  0x00007f5e34cb5c16 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f5df3bfcce9 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#9  0x00007f5e34cbf08b in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#10 0x00007f5e32ddf594 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f5e33ff8f4f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f5df308b700 (LWP 30358)):
#0  0x00007f5e33ff3959 in syscall () from /lib64/libc.so.6
#1  0x00007f5e34cb4b30 in bool
futexSemaphoreTryAcquire_loop<true>(QBasicAtomicInteger<unsigned long long>&,
unsigned long long, unsigned long long, int) () from /lib64/libQt5Core.so.5
#2  0x00007f5e34cb48b2 in QSemaphore::tryAcquire(int, int) () from
/lib64/libQt5Core.so.5
#3  0x00007f5e3d25104a in KisTileDataSwapper::run() () from
/lib64/libkritaimage.so.17
#4  0x00007f5e34cbf08b in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f5e32ddf594 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5e33ff8f4f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f5df388c700 (LWP 30357)):
#0  0x00007f5e33ff3959 in syscall () from /lib64/libc.so.6
#1  0x00007f5e34cb499c in bool
futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int,
int) () from /lib64/libQt5Core.so.5
#2  0x00007f5e3d233b9a in KisTileDataPooler::waitForWork() () from
/lib64/libkritaimage.so.17
#3  0x00007f5e3d23440a in KisTileDataPooler::run() () from
/lib64/libkritaimage.so.17
#4  0x00007f5e34cbf08b in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f5e32ddf594 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5e33ff8f4f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f5e15057700 (LWP 30353)):
#0  0x00007f5e33fe9e94 in read () from /lib64/libc.so.6
#1  0x00007f5e31ba5700 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f5e31b5f74b in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f5e31b5fc00 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#4  0x00007f5e31b5fd80 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5  0x00007f5e34e9ed5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#6  0x00007f5e34e4d5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#7  0x00007f5e34cb5c16 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f5e39222b39 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#9  0x00007f5e34cbf08b in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#10 0x00007f5e32ddf594 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f5e33ff8f4f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f5e16cfe700 (LWP 30352)):
#0  0x00007f5e31b5f433 in g_main_context_query () from /lib64/libglib-2.0.so.0
#1  0x00007f5e31b5fbd7 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x00007f5e31b60012 in g_main_loop_run () from /lib64/libglib-2.0.so.0
#3  0x00007f5e1a35385a in gdbus_shared_thread_func () from
/lib64/libgio-2.0.so.0
#4  0x00007f5e31b8801a in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f5e32ddf594 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f5e33ff8f4f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f5e174ff700 (LWP 30351)):
#0  0x00007f5e33fe9e94 in read () from /lib64/libc.so.6
#1  0x00007f5e31ba5700 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f5e31b5f74b in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f5e31b5fc00 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#4  0x00007f5e31b5fd80 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5  0x00007f5e31b5fdd1 in glib_worker_main () from /lib64/libglib-2.0.so.0
#6  0x00007f5e31b8801a in g_thread_proxy () from /lib64/libglib-2.0.so.0
#7  0x00007f5e32ddf594 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f5e33ff8f4f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f5e403fd940 (LWP 30347)):
[KCrash Handler]
#4  0x00007f5e33f35eab in raise () from /lib64/libc.so.6
#5  0x00007f5e33f205b9 in abort () from /lib64/libc.so.6
#6  0x00007f5e33f78777 in __libc_message () from /lib64/libc.so.6
#7  0x00007f5e33f7ec0c in malloc_printerr () from /lib64/libc.so.6
#8  0x00007f5e33f80675 in _int_free () from /lib64/libc.so.6
#9  0x00007f5e353f8a54 in QTabletEvent::~QTabletEvent() () from
/lib64/libQt5Gui.so.5
#10 0x00007f5e3f1b3c77 in
processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent*) () from
/lib64/libkritaui.so.17
#11 0x00007f5e3f1ad735 in
QXcbConnection::xi2ReportTabletEvent(QXcbConnection::TabletData&, void*) ()
from /lib64/libkritaui.so.17
#12 0x00007f5e3f1ada9c in QXcbConnection::xi2HandleTabletEvent(void*,
QXcbConnection::TabletData*, QWindow*) () from /lib64/libkritaui.so.17
#13 0x00007f5e3f1b1861 in QXcbConnection::xi2HandleEvent(xcb_ge_event_t*) ()
from /lib64/libkritaui.so.17
#14 0x00007f5e3f1b502c in KisXi2EventFilter::nativeEventFilter(QByteArray
const&, void*, long*) () from /lib64/libkritaui.so.17
#15 0x00007f5e34e4c2ec in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
from /lib64/libQt5Core.so.5
#16 0x00007f5e22ea05f4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /lib64/libQt5XcbQpa.so.5
#17 0x00007f5e22ea1183 in QXcbConnection::processXcbEvents() () from
/lib64/libQt5XcbQpa.so.5
#18 0x00007f5e34e77556 in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#19 0x00007f5e35d32565 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#20 0x00007f5e35d39c80 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#21 0x00007f5e3f0d08eb in KisApplication::notify(QObject*, QEvent*) () from
/lib64/libkritaui.so.17
#22 0x00007f5e34e4e676 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#23 0x00007f5e34e5184b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#24 0x00007f5e34e9efb7 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5Core.so.5
#25 0x00007f5e31b5f91d in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#26 0x00007f5e31b5fce8 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#27 0x00007f5e31b5fd80 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#28 0x00007f5e34e9ed43 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#29 0x00007f5e22f32b65 in
QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5XcbQpa.so.5
#30 0x00007f5e34e4d5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#31 0x00007f5e34e55686 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#32 0x000056288550b5c7 in main ()

Possible duplicates by query: bug 401988.

Reported using DrKonqi

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