Application: krita (2.7.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
drawing straight lines in canvas only mode. Crashed when i clicked save. 
When I open Krita again all dockers are gone and I must set them again

The crash can be reproduced sometimes.

-- 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 0x7f07aa96c7c0 (LWP 12610))]

Thread 8 (Thread 0x7f0792f23700 (LWP 12613)):
#0  0x00007f07a9f2ef7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f07a33d86a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f07a33d8b0a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f079a97bb66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f07a33fd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f07a38b0f6e in start_thread (arg=0x7f0792f23700) at pthread_create.c:311
#6  0x00007f07a9f3b9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7f0791db0700 (LWP 12614)):
#0  0x00007f07a33d7f3b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f07a33d8612 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f07a33d87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f07a33d87f9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f07a33fd0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f07a38b0f6e in start_thread (arg=0x7f0791db0700) at pthread_create.c:311
#6  0x00007f07a9f3b9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f07729a7700 (LWP 12618)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f07a7ed1406 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f07a7ecd5eb in QSemaphore::acquire(int) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f077a94d7be in ?? () from /usr/lib/libkritaimage.so.12
#4  0x00007f077a94db6b in ?? () from /usr/lib/libkritaimage.so.12
#5  0x00007f07a7ed0f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f07a38b0f6e in start_thread (arg=0x7f07729a7700) at pthread_create.c:311
#7  0x00007f07a9f3b9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f07721a6700 (LWP 12619)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f07a7ed1406 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f07a7ecd9f3 in QSemaphore::tryAcquire(int, int) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f077a96b4fa in KisTileDataSwapper::run() () from /usr/lib/libkritaimage.so.12
#4  0x00007f07a7ed0f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f07a38b0f6e in start_thread (arg=0x7f07721a6700) at pthread_create.c:311
#6  0x00007f07a9f3b9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f0755110700 (LWP 12633)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f07a7ed1406 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f07a8e9e086 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#3  0x00007f07a7ed0f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f07a38b0f6e in start_thread (arg=0x7f0755110700) at pthread_create.c:311
#5  0x00007f07a9f3b9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f07915af700 (LWP 12634)):
#0  0x00007f07a9f33de3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f07a7ffb37b in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f07a8000904 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timeval*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f07a8000d02 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f07a7fcf5ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f07a7fcf8e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f07a7ece88f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f07a7fb0d13 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f07a7ed0f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f07a38b0f6e in start_thread (arg=0x7f07915af700) at pthread_create.c:311
#10 0x00007f07a9f3b9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f0770353700 (LWP 12637)):
#0  0x00007f07a9f332f7 in ioctl () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f07aa97a7e9 in uki_firegl_MicroSleep () from /usr/lib/libatiuki.so.1
#2  0x00007f074a0622f0 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#3  0x00007f0749966d42 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#4  0x00007f0749966d75 in ?? () from /usr/lib/x86_64-linux-gnu/dri/fglrx_dri.so
#5  0x00007f07a38b0f6e in start_thread (arg=0x7f0770353700) at pthread_create.c:311
#6  0x00007f07a9f3b9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f07aa96c7c0 (LWP 12610)):
[KCrash Handler]
#5  0x0000000000000008 in ?? ()
#6  0x00007f07a842a3df in KArchiveDirectory::~KArchiveDirectory() () from /usr/lib/libkdecore.so.5
#7  0x00007f07a842a449 in KArchiveDirectory::~KArchiveDirectory() () from /usr/lib/libkdecore.so.5
#8  0x00007f07a842a848 in KArchive::close() () from /usr/lib/libkdecore.so.5
#9  0x00007f07a9b5cb5c in KoDocument::saveNativeFormatCalligra(KoStore*) () from /usr/lib/libkomain.so.12
#10 0x00007f07a9b5e12b in KoDocument::saveNativeFormat(QString const&) () from /usr/lib/libkomain.so.12
#11 0x00007f07a9b5833b in KoDocument::saveFile() () from /usr/lib/libkomain.so.12
#12 0x00007f07a9bf08ad in KoPart::saveFile() () from /usr/lib/libkomain.so.12
#13 0x00007f07a792571c in KParts::ReadWritePart::save() () from /usr/lib/libkparts.so.4
#14 0x00007f07a9b8b738 in KoMainWindow::saveDocument(bool, bool) () from /usr/lib/libkomain.so.12
#15 0x00007f07a9b8c90d in KoMainWindow::slotFileSave() () from /usr/lib/libkomain.so.12
#16 0x00007f07a9b8f7fa in ?? () from /usr/lib/libkomain.so.12
#17 0x00007f07a7fe4a58 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007f07a89bba32 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#19 0x00007f07a89bd403 in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#20 0x00007f07a89bd55c in QAction::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#21 0x00007f07a95f5d3f in KAction::event(QEvent*) () from /usr/lib/libkdeui.so.5
#22 0x00007f07a89c1dfc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#23 0x00007f07a89c8470 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#24 0x00007f07a9b4d928 in KoApplication::notify(QObject*, QEvent*) () from /usr/lib/libkomain.so.12
#25 0x00007f07a7fd08bd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007f07a89f31b6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x00007f07a89f32e4 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#28 0x00007f07a89c9743 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#29 0x00007f07a9b4d928 in KoApplication::notify(QObject*, QEvent*) () from /usr/lib/libkomain.so.12
#30 0x00007f07a7fd08bd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007f07a8a60e19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#32 0x00007f07a8a611b9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#33 0x00007f07a8a3b207 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#34 0x00007f07a8a64290 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#35 0x00007f07a7fcf5ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#36 0x00007f07a7fcf8e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#37 0x00007f07a7fd4e5b in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#38 0x00007f07aa4443d2 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_krita.so
#39 0x00007f07a9e62de5 in __libc_start_main (main=0x4006d0, argc=1, ubp_av=0x7fff1bc15118, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1bc15108) at libc-start.c:260
#40 0x00000000004006fe in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 321100.

Possible duplicates by query: bug 325632, bug 325522, bug 325153, bug 322352, bug 321100.

Reported using DrKonqi