Application: krita (2.3 Alpha 1)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-23-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
I remember I was using the mixbrush with bitmap painttops (like gimp ones), then it crashed after a few strokes.

 -- Backtrace:
Application: Krita (krita), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe7a57b27c0 (LWP 2743))]

Thread 3 (Thread 0x7fe791d77710 (LWP 2744)):
#0  0x00007fe7a4e5785c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe7a50e3fdb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fe7a50dfd64 in QSemaphore::acquire(int) () from /usr/lib/libQtCore.so.4
#3  0x00007fe7a4639c8e in KisTileDataPooler::waitForWork (this=0x7fe7a4993f00) at /home/timo/kde4/src/koffice/krita/image/tiles3/kis_tile_data_pooler.cc:129
#4  0x00007fe7a4639e68 in KisTileDataPooler::run (this=0x7fe7a4993f00) at /home/timo/kde4/src/koffice/krita/image/tiles3/kis_tile_data_pooler.cc:158
#5  0x00007fe7a50e2f95 in ?? () from /usr/lib/libQtCore.so.4
#6  0x00007fe7a4e529ca in start_thread () from /lib/libpthread.so.0
#7  0x00007fe79d3656fd in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe7720b3710 (LWP 3161)):
[KCrash Handler]
#5  0x00007fe7a46cdc74 in KisSharedPtr<KisNode>::operator== (this=<value optimized out>, node=) at /home/timo/kde4/src/koffice/krita/image/kis_shared_ptr.h:128
#6  QList<KisSharedPtr<KisNode> >::contains (this=<value optimized out>, node=) at /usr/include/qt4/QtCore/qlist.h:760
#7  KisNode::index (this=<value optimized out>, node=) at /home/timo/kde4/src/koffice/krita/image/kis_node.cpp:179
#8  0x00007fe7a46cebbd in KisNode::prevSibling (this=0x6612100) at /home/timo/kde4/src/koffice/krita/image/kis_node.cpp:150
#9  0x00007fe7a46aa45f in KisMergeWalker::startTrip (this=0x6648570, startWith=) at /home/timo/kde4/src/koffice/krita/image/kis_merge_walker.cc:40
#10 0x00007fe7a46aed7b in KisBaseRectsWalker::collectRects (this=0x67fc640, node=<value optimized out>, rc=..., cropRect=<value optimized out>)
    at /home/timo/kde4/src/koffice/krita/image/kis_base_rects_walker.h:83
#11 KisSimpleUpdateQueue::addJob (this=0x67fc640, node=<value optimized out>, rc=..., cropRect=<value optimized out>) at /home/timo/kde4/src/koffice/krita/image/kis_simple_update_queue.cpp:93
#12 0x00007fe7a46afef2 in KisUpdateScheduler::updateProjection (this=0x67fbbf0, node=<value optimized out>, rc=...) at /home/timo/kde4/src/koffice/krita/image/kis_update_scheduler.cpp:51
#13 0x00007fe7a46b7d03 in KisImage::updateProjection (this=<value optimized out>, node=) at /home/timo/kde4/src/koffice/krita/image/kis_image.cc:1073
#14 0x00007fe7a46c6d1f in KisLayer::setDirty (this=<value optimized out>, rect=...) at /home/timo/kde4/src/koffice/krita/image/kis_layer.cc:163
#15 0x00007fe7a46cf559 in KisNode::setDirty (this=0x6612100, region=...) at /home/timo/kde4/src/koffice/krita/image/kis_node.cpp:303
#16 0x00007fe7a4b8696f in KisToolFreehand::setDirty (this=0x944d4a0, region=...) at /home/timo/kde4/src/koffice/krita/ui/tool/kis_tool_freehand.cc:550
#17 0x00007fe7a4b8b9ce in FreehandPaintBezierJob::run (this=0x7fe76e93dec0) at /home/timo/kde4/src/koffice/krita/ui/tool/kis_tool_freehand_p.cpp:111
#18 0x00007fe7a50d8e7f in ?? () from /usr/lib/libQtCore.so.4
#19 0x00007fe7a50e2f95 in ?? () from /usr/lib/libQtCore.so.4
#20 0x00007fe7a4e529ca in start_thread () from /lib/libpthread.so.0
#21 0x00007fe79d3656fd in clone () from /lib/libc.so.6
#22 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe7a57b27c0 (LWP 2743)):
#0  0x00007fe79d358f83 in poll () from /lib/libc.so.6
#1  0x00007fe798a6c29a in ?? () from /usr/lib/libxcb.so.1
#2  0x00007fe798a6c7d7 in ?? () from /usr/lib/libxcb.so.1
#3  0x00007fe798a6ca85 in xcb_writev () from /usr/lib/libxcb.so.1
#4  0x00007fe7a2ef06fa in _XSend () from /usr/lib/libX11.so.6
#5  0x00007fe7a2ef0839 in _XReply () from /usr/lib/libX11.so.6
#6  0x00007fe7a3682728 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#7  0x00007fe7a3683fbf in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00007fe7a2215eb0 in QGLContext::makeCurrent() () from /usr/lib/libQtOpenGL.so.4
#9  0x00007fe7a4b70db1 in KisOpenGLImageTextures::recalculateCache (this=0x757b570, info=<value optimized out>) at /home/timo/kde4/src/koffice/krita/ui/opengl/kis_opengl_image_textures.cpp:241
#10 0x00007fe7a4a488bc in KisCanvas2::updateCanvasProjection (this=0x723f330, info=<value optimized out>) at /home/timo/kde4/src/koffice/krita/ui/canvas/kis_canvas2.cpp:402
#11 0x00007fe7a4a4aa48 in KisCanvas2::qt_metacall (this=0x723f330, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fe76f288320) at /home/timo/kde4/build/krita/ui/kis_canvas2.moc:111
#12 0x00007fe7a51e2b79 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#13 0x00007fe79e8e3c0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007fe79e8ea0eb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007fe79f5f2526 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007fe7a51d2d9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#17 0x00007fe7a51d6454 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#18 0x00007fe79e994d94 in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007fe7a51d16c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#20 0x00007fe7a51d1a9c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0x00007fe7a51d673b in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#22 0x00007fe7a54ec105 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /home/timo/kde4/src/koffice/krita/main.cc:49
#23 0x00007fe79d29dc4d in __libc_start_main () from /lib/libc.so.6
#24 0x00000000004008e9 in _start ()

This bug may be a duplicate of or related to bug 235278.

Possible duplicates by query: bug 235278.

Reported using DrKonqi