Application: krita (2.6.3)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.0-22-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
just opened a jpeg with a texture as a background, made a new layer to paint on and then my system got super slow and krita crashed...

-- Backtrace:
Application: Krita (krita), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb84c9dd7c0 (LWP 9901))]

Thread 9 (Thread 0x7fb835950700 (LWP 9905)):
#0  0x00007fb84bf213cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb844afc1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb844afc6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb83a5554f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fb844b1feb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb844fcef8e in start_thread (arg=0x7fb835950700) at pthread_create.c:311
#6  0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7fb81e89f700 (LWP 9906)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb849e5114b in wait (time=18446744073709551615, this=0x154be20) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x154bdd0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fb849e4d067 in QSemaphore::acquire (this=this@entry=0x154bb20, n=n@entry=1) at thread/qsemaphore.cpp:144
#4  0x00007fb8269a63ee in KisTileDataPooler::waitForWork (this=this@entry=0x154bb10) at /build/buildd/calligra-2.6.3/krita/image/tiles3/kis_tile_data_pooler.cc:162
#5  0x00007fb8269a679b in KisTileDataPooler::run (this=0x154bb10) at /build/buildd/calligra-2.6.3/krita/image/tiles3/kis_tile_data_pooler.cc:184
#6  0x00007fb849e50bec in QThreadPrivate::start (arg=0x154bb10) at thread/qthread_unix.cpp:338
#7  0x00007fb844fcef8e in start_thread (arg=0x7fb81e89f700) at pthread_create.c:311
#8  0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7fb81e09e700 (LWP 9907)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb849e5114b in wait (time=18446744073709551615, this=0x154c1b0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x154c160, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fb849e4d438 in QSemaphore::tryAcquire (this=0x154be90, n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:221
#4  0x00007fb8269c3f13 in KisTileDataSwapper::waitForWork (this=this@entry=0x154bb48) at /build/buildd/calligra-2.6.3/krita/image/tiles3/swap/kis_tile_data_swapper.cpp:86
#5  0x00007fb8269c420a in KisTileDataSwapper::run (this=0x154bb48) at /build/buildd/calligra-2.6.3/krita/image/tiles3/swap/kis_tile_data_swapper.cpp:92
#6  0x00007fb849e50bec in QThreadPrivate::start (arg=0x154bb48) at thread/qthread_unix.cpp:338
#7  0x00007fb844fcef8e in start_thread (arg=0x7fb81e09e700) at pthread_create.c:311
#8  0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7fb81ca4c700 (LWP 9913)):
#0  0x00007fb849f4c38d in QEventLoop::processEvents (this=this@entry=0x7fb81ca4bd90, flags=...) at kernel/qeventloop.cpp:149
#1  0x00007fb849f4c618 in QEventLoop::exec (this=this@entry=0x7fb81ca4bd90, flags=...) at kernel/qeventloop.cpp:204
#2  0x00007fb849e4e410 in QThread::exec (this=this@entry=0x18b6240) at thread/qthread.cpp:542
#3  0x00007fb849f2dedf in QInotifyFileSystemWatcherEngine::run (this=0x18b6240) at io/qfilesystemwatcher_inotify.cpp:256
#4  0x00007fb849e50bec in QThreadPrivate::start (arg=0x18b6240) at thread/qthread_unix.cpp:338
#5  0x00007fb844fcef8e in start_thread (arg=0x7fb81ca4c700) at pthread_create.c:311
#6  0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7fb81d24d700 (LWP 9923)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb849e5114b in wait (time=18446744073709551615, this=0x488c550) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x488c0d8, mutex=mutex@entry=0x488c0d0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fb84ae27636 in QFileInfoGatherer::run (this=0x488c0c0) at dialogs/qfileinfogatherer.cpp:214
#4  0x00007fb849e50bec in QThreadPrivate::start (arg=0x488c0c0) at thread/qthread_unix.cpp:338
#5  0x00007fb844fcef8e in start_thread (arg=0x7fb81d24d700) at pthread_create.c:311
#6  0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fb817fff700 (LWP 9924)):
#0  0x00007fffb9d62af7 in ?? ()
#1  0x00007fb800000000 in ?? ()
#2  0x0000000200000000 in ?? ()
#3  0x00007fb80c001178 in ?? ()
#4  0x00007fb817ffeca0 in ?? ()
#5  0x0000000000000001 in ?? ()
#6  0x00007fb80c0008f0 in ?? ()
#7  0x00007fb84bf42ead in clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#8  0x00007fb849ea6a74 in do_gettime (frac=0x7fb817ffebe8, sec=0x7fb817ffebe0) at tools/qelapsedtimer_unix.cpp:123
#9  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#10 0x00007fb849f7c9ed in QTimerInfoList::updateCurrentTime (this=0x1, this@entry=0x7fb80c001178) at kernel/qeventdispatcher_unix.cpp:354
#11 0x00007fb849f7cd33 in QTimerInfoList::timerWait (this=this@entry=0x7fb80c001178, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#12 0x00007fb849f7ed04 in QEventDispatcherUNIX::processEvents (this=0x7fb80c0008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:924
#13 0x00007fb849f4c38f in QEventLoop::processEvents (this=this@entry=0x7fb817ffed90, flags=...) at kernel/qeventloop.cpp:149
#14 0x00007fb849f4c618 in QEventLoop::exec (this=this@entry=0x7fb817ffed90, flags=...) at kernel/qeventloop.cpp:204
#15 0x00007fb849e4e410 in QThread::exec (this=this@entry=0x488c650) at thread/qthread.cpp:542
#16 0x00007fb849f2dedf in QInotifyFileSystemWatcherEngine::run (this=0x488c650) at io/qfilesystemwatcher_inotify.cpp:256
#17 0x00007fb849e50bec in QThreadPrivate::start (arg=0x488c650) at thread/qthread_unix.cpp:338
#18 0x00007fb844fcef8e in start_thread (arg=0x7fb817fff700) at pthread_create.c:311
#19 0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fb7f342c700 (LWP 10072)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb849e5114b in wait (time=18446744073709551615, this=0x10579fe0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x10579b68, mutex=mutex@entry=0x10579b60, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fb84ae27636 in QFileInfoGatherer::run (this=0x10579b50) at dialogs/qfileinfogatherer.cpp:214
#4  0x00007fb849e50bec in QThreadPrivate::start (arg=0x10579b50) at thread/qthread_unix.cpp:338
#5  0x00007fb844fcef8e in start_thread (arg=0x7fb7f342c700) at pthread_create.c:311
#6  0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fb7f2c2b700 (LWP 10073)):
#0  0x00007fffb9d62af7 in ?? ()
#1  0x00007fb7f2c2aab0 in ?? ()
#2  0x0000000200000000 in ?? ()
#3  0x00007fb7e4001178 in ?? ()
#4  0x00007fb7f2c2ace0 in ?? ()
#5  0x00007fb7e40008f0 in ?? ()
#6  0x00007fb7f2c2ac90 in ?? ()
#7  0x00007fb84bf42ead in clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#8  0x00007fb849ea6a74 in do_gettime (frac=0x7fb7f2c2ab08, sec=0x7fb7f2c2ab00) at tools/qelapsedtimer_unix.cpp:123
#9  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#10 0x00007fb849f7c9ed in QTimerInfoList::updateCurrentTime (this=0x1, this@entry=0x7fb7e4001178) at kernel/qeventdispatcher_unix.cpp:354
#11 0x00007fb849f7e173 in QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7fb7e4000910, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:186
#12 0x00007fb849f7ec82 in QEventDispatcherUNIX::processEvents (this=0x7fb7e40008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:937
#13 0x00007fb849f4c38f in QEventLoop::processEvents (this=this@entry=0x7fb7f2c2ad90, flags=...) at kernel/qeventloop.cpp:149
#14 0x00007fb849f4c618 in QEventLoop::exec (this=this@entry=0x7fb7f2c2ad90, flags=...) at kernel/qeventloop.cpp:204
#15 0x00007fb849e4e410 in QThread::exec (this=this@entry=0x1057a0e0) at thread/qthread.cpp:542
#16 0x00007fb849f2dedf in QInotifyFileSystemWatcherEngine::run (this=0x1057a0e0) at io/qfilesystemwatcher_inotify.cpp:256
#17 0x00007fb849e50bec in QThreadPrivate::start (arg=0x1057a0e0) at thread/qthread_unix.cpp:338
#18 0x00007fb844fcef8e in start_thread (arg=0x7fb7f2c2b700) at pthread_create.c:311
#19 0x00007fb84bf2de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fb84c9dd7c0 (LWP 9901)):
[KCrash Handler]
#6  0x00007fb8498a2834 in KParts::ReadWritePart::isModified (this=0x1d280b0) at ../../kparts/part.cpp:1031
#7  0x00007fb84badb1e0 in KoDocument::isModified (this=this@entry=0x449c390) at /build/buildd/calligra-2.6.3/libs/main/KoDocument.cpp:556
#8  0x00007fb84bae07cd in KoDocument::slotAutoSave (this=0x449c390) at /build/buildd/calligra-2.6.3/libs/main/KoDocument.cpp:481
#9  0x00007fb84bae0b05 in KoDocument::qt_static_metacall (_o=0x1d280b0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fffb9cf0f80) at /build/buildd/calligra-2.6.3/obj-x86_64-linux-gnu/libs/main/KoDocument.moc:97
#10 0x00007fb849f620ef in QMetaObject::activate (sender=0x770e040, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#11 0x00007fb849f673ec in QObject::event (this=0x770e040, e=<optimized out>) at kernel/qobject.cpp:1156
#12 0x00007fb84a9368ec in QApplicationPrivate::notify_helper (this=this@entry=0xb98560, receiver=receiver@entry=0x770e040, e=e@entry=0x7fffb9cf1680) at kernel/qapplication.cpp:4567
#13 0x00007fb84a93925b in QApplication::notify (this=0x7fffb9cf1a80, receiver=receiver@entry=0x770e040, e=e@entry=0x7fffb9cf1680) at kernel/qapplication.cpp:4428
#14 0x00007fb84bad2d98 in KoApplication::notify (this=<optimized out>, receiver=0x770e040, event=0x7fffb9cf1680) at /build/buildd/calligra-2.6.3/libs/main/KoApplication.cpp:528
#15 0x00007fb849f4d63e in QCoreApplication::notifyInternal (this=0x7fffb9cf1a80, receiver=0x770e040, event=event@entry=0x7fffb9cf1680) at kernel/qcoreapplication.cpp:946
#16 0x00007fb849f7eb72 in sendEvent (event=0x7fffb9cf1680, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#17 QTimerInfoList::activateTimers (this=0xb9d698) at kernel/qeventdispatcher_unix.cpp:622
#18 0x00007fb849f7ebd0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0xb97f40) at kernel/qeventdispatcher_unix.cpp:879
#19 0x00007fb849f7ed28 in QEventDispatcherUNIX::processEvents (this=this@entry=0xb97f40, flags=...) at kernel/qeventdispatcher_unix.cpp:941
#20 0x00007fb84a9dcb9f in QEventDispatcherX11::processEvents (this=0xb97f40, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#21 0x00007fb849f4c38f in QEventLoop::processEvents (this=this@entry=0x7fffb9cf19d0, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007fb849f4c618 in QEventLoop::exec (this=this@entry=0x7fffb9cf19d0, flags=...) at kernel/qeventloop.cpp:204
#23 0x00007fb849f51cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#24 0x00007fb84a934ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#25 0x00007fb84c3e2312 in kdemain (argc=<optimized out>, argv=<optimized out>) at /build/buildd/calligra-2.6.3/krita/main.cc:114
#26 0x00007fb84be55ea5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=1, ubp_av=0x7fffb9cf1b98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb9cf1b88) at libc-start.c:260
#27 0x0000000000400701 in _start ()

Possible duplicates by query: bug 319439.

Reported using DrKonqi