https://bugs.kde.org/show_bug.cgi?id=362881

Raghavendra kamath <raghavendr.ra...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
                 CC|                            |raghavendr.ra...@gmail.com
             Status|UNCONFIRMED                 |CONFIRMED

--- Comment #3 from Raghavendra kamath <raghavendr.ra...@gmail.com> ---
I am experiencing this too,

actually this was a older bug which re surfaced again , I closed it earlier
because it was not easily reproducible.

But now i get this crash for 3 out of 5 times while transforming , i got 4
crashes yesterday alone.

The older bug is here -> https://bugs.kde.org/show_bug.cgi?id=360786 ,
I am marking it a duplicate of this bug


the back trace from last crash generated by bug report wizard is as follows:

Application: krita (krita), signal: Segmentation fault Using host libthread_db
library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread
0x7fcdf1bb8840 (LWP 1680))] Thread 8 (Thread 0x7fcdd01ae700 (LWP 1682)): #0
0x00007fcde9514abd in poll () from /usr/lib/libc.so.6 #1 0x00007fcde49400fc in
?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007fcde494020c in
g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #3
0x00007fcdea34f6eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5 #4 0x00007fcdea2f746a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5 #5 0x00007fcdea11e2f3 in QThread::exec() () from
/usr/lib/libQt5Core.so.5 #6 0x00007fcde575ca65 in ?? () from
/usr/lib/libQt5DBus.so.5 #7 0x00007fcdea1231d8 in ?? () from
/usr/lib/libQt5Core.so.5 #8 0x00007fcde5e0e474 in start_thread () from
/usr/lib/libpthread.so.0 #9 0x00007fcde951dacd in clone () from
/usr/lib/libc.so.6 Thread 7 (Thread 0x7fcdba9a4700 (LWP 1683)): #0
0x00007fcde5e1409f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0 #1 0x00007fcdea12408b in QWaitCondition::wait(QMutex*,
unsigned long) () from /usr/lib/libQt5Core.so.5 #2 0x00007fcdea11cd53 in
QSemaphore::acquire(int) () from /usr/lib/libQt5Core.so.5 #3 0x00007fcdf07486cd
in KisTileDataPooler::waitForWork (this=0x7fcdf0c23b20 <(anonymous
namespace)::Q_QGS_s_instance::innerFunction()::holder>) at
/home/raghu/kf5/src/krita/libs/image/tiles3/kis_tile_data_pooler.cc:165 #4
KisTileDataPooler::run (this=0x7fcdf0c23b20 <(anonymous
namespace)::Q_QGS_s_instance::innerFunction()::holder>) at
/home/raghu/kf5/src/krita/libs/image/tiles3/kis_tile_data_pooler.cc:187 #5
0x00007fcdea1231d8 in ?? () from /usr/lib/libQt5Core.so.5 #6 0x00007fcde5e0e474
in start_thread () from /usr/lib/libpthread.so.0 #7 0x00007fcde951dacd in clone
() from /usr/lib/libc.so.6 Thread 6 (Thread 0x7fcdba1a3700 (LWP 1684)): #0
0x00007fcde94ed77d in nanosleep () from /usr/lib/libc.so.6 #1
0x00007fcdea1cee0d in ?? () from /usr/lib/libQt5Core.so.5 #2 0x00007fcdea122598
in QThread::msleep(unsigned long) () from /usr/lib/libQt5Core.so.5 #3
0x00007fcdf0763eea in KisTileDataSwapper::run (this=0x7fcdf0c23b60 <(anonymous
namespace)::Q_QGS_s_instance::innerFunction()::holder+64>) at
/home/raghu/kf5/src/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:97
#4 0x00007fcdea1231d8 in ?? () from /usr/lib/libQt5Core.so.5 #5
0x00007fcde5e0e474 in start_thread () from /usr/lib/libpthread.so.0 #6
0x00007fcde951dacd in clone () from /usr/lib/libc.so.6 Thread 5 (Thread
0x7fcdb99a2700 (LWP 1686)): #0 0x00007fcde5e1409f in
pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1
0x00007fcdea12408b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5 #2 0x00007fcdeb253139 in ?? () from
/usr/lib/libQt5Widgets.so.5 #3 0x00007fcdea1231d8 in ?? () from
/usr/lib/libQt5Core.so.5 #4 0x00007fcde5e0e474 in start_thread () from
/usr/lib/libpthread.so.0 #5 0x00007fcde951dacd in clone () from
/usr/lib/libc.so.6 Thread 4 (Thread 0x7fcda8ffd700 (LWP 1777)): [KCrash
Handler] #5 0x00007fcde94aa9a8 in malloc_consolidate () from /usr/lib/libc.so.6
#6 0x00007fcde94ab650 in _int_free () from /usr/lib/libc.so.6 #7
0x00007fcdf09759dc in KisStrokeJob::~KisStrokeJob (this=0x12ef91d0,
__in_chrg=<optimized out>) at
/home/raghu/kf5/build/libs/image/../../../src/krita/libs/image/kis_stroke_job.h:40
#8 KisStrokeJob::~KisStrokeJob (this=0x12ef91d0, __in_chrg=<optimized out>) at
/home/raghu/kf5/build/libs/image/../../../src/krita/libs/image/kis_stroke_job.h:41
#9 KisUpdateJobItem::run (this=0xa9ce980) at
/home/raghu/kf5/build/libs/image/../../../src/krita/libs/image/kis_update_job_item.h:67
#10 0x00007fcdea11f3ef in ?? () from /usr/lib/libQt5Core.so.5 #11
0x00007fcdea1231d8 in ?? () from /usr/lib/libQt5Core.so.5 #12
0x00007fcde5e0e474 in start_thread () from /usr/lib/libpthread.so.0 #13
0x00007fcde951dacd in clone () from /usr/lib/libc.so.6 Thread 3 (Thread
0x7fcd28ffc700 (LWP 1778)): #0 0x00007fcde952a0ab in __lll_lock_wait_private ()
from /usr/lib/libc.so.6 #1 0x00007fcde94ab3a0 in _int_free () from
/usr/lib/libc.so.6 #2 0x00007fcdf09759dc in KisStrokeJob::~KisStrokeJob
(this=0x12efa3a0, __in_chrg=<optimized out>) at
/home/raghu/kf5/build/libs/image/../../../src/krita/libs/image/kis_stroke_job.h:40
#3 KisStrokeJob::~KisStrokeJob (this=0x12efa3a0, __in_chrg=<optimized out>) at
/home/raghu/kf5/build/libs/image/../../../src/krita/libs/image/kis_stroke_job.h:41
#4 KisUpdateJobItem::run (this=0xa9c3080) at
/home/raghu/kf5/build/libs/image/../../../src/krita/libs/image/kis_update_job_item.h:67
#5 0x00007fcdea11f3ef in ?? () from /usr/lib/libQt5Core.so.5 #6
0x00007fcdea1231d8 in ?? () from /usr/lib/libQt5Core.so.5 #7 0x00007fcde5e0e474
in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007fcde951dacd in clone
() from /usr/lib/libc.so.6 Thread 2 (Thread 0x7fcddcefc700 (LWP 1780)): #0
0x00007fcde5e14448 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0 #1 0x00007fcdea123fc6 in QWaitCondition::wait(QMutex*,
unsigned long) () from /usr/lib/libQt5Core.so.5 #2 0x00007fcdea11f644 in ?? ()
from /usr/lib/libQt5Core.so.5 #3 0x00007fcdea1231d8 in ?? () from
/usr/lib/libQt5Core.so.5 #4 0x00007fcde5e0e474 in start_thread () from
/usr/lib/libpthread.so.0 #5 0x00007fcde951dacd in clone () from
/usr/lib/libc.so.6 Thread 1 (Thread 0x7fcdf1bb8840 (LWP 1680)): #0
0x00007fcde952a0ab in __lll_lock_wait_private () from /usr/lib/libc.so.6 #1
0x00007fcde94aeeaa in calloc () from /usr/lib/libc.so.6 #2 0x00007fcddcf1a9c8
in xkb_state_new () from /usr/lib/libxkbcommon.so.0 #3 0x00007fcddea1b74a in ??
() from /usr/lib/libQt5XcbQpa.so.5 #4 0x00007fcddea180d1 in
QXcbIntegration::possibleKeys(QKeyEvent const*) const () from
/usr/lib/libQt5XcbQpa.so.5 #5 0x00007fcdea866f03 in ?? () from
/usr/lib/libQt5Gui.so.5 #6 0x00007fcdea8671cc in
QKeyMapper::possibleKeys(QKeyEvent*) () from /usr/lib/libQt5Gui.so.5 #7
0x00007fcdea86fe60 in QShortcutMap::createNewSequences(QKeyEvent*,
QVector<QKeySequence>&, int) () from /usr/lib/libQt5Gui.so.5 #8
0x00007fcdea8705d1 in QShortcutMap::find(QKeyEvent*, int) () from
/usr/lib/libQt5Gui.so.5 #9 0x00007fcdea870c36 in
QShortcutMap::nextState(QKeyEvent*) () from /usr/lib/libQt5Gui.so.5 #10
0x00007fcdea870f71 in QShortcutMap::tryShortcut(QKeyEvent*) () from
/usr/lib/libQt5Gui.so.5 #11 0x00007fcdea829b3d in
QWindowSystemInterface::handleShortcutEvent(QWindow*, unsigned long, int,
QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int, unsigned int, QString
const&, bool, unsigned short) () from /usr/lib/libQt5Gui.so.5 #12
0x00007fcdea841d14 in
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
() from /usr/lib/libQt5Gui.so.5 #13 0x00007fcdea846e85 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/libQt5Gui.so.5 #14 0x00007fcdea82418b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt5Gui.so.5 #15 0x00007fcddea46080 in ?? () from
/usr/lib/libQt5XcbQpa.so.5 #16 0x00007fcde493ff07 in g_main_context_dispatch ()
from /usr/lib/libglib-2.0.so.0 #17 0x00007fcde4940160 in ?? () from
/usr/lib/libglib-2.0.so.0 #18 0x00007fcde494020c in g_main_context_iteration ()
from /usr/lib/libglib-2.0.so.0 #19 0x00007fcdea34f6cf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5 #20 0x00007fcdea2f746a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5 #21 0x00007fcdea2ffa0c in QCoreApplication::exec() ()
from /usr/lib/libQt5Core.so.5 #22 0x00000000004048f4 in main (argc=<optimized
out>, argv=<optimized out>) at /home/raghu/kf5/src/krita/krita/main.cc:228

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