Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-17-generic x86_64
Distribution: Linux Mint 12 KDE

-- Information about the crash:
I was working in thunderbird/Lightning and, all of a sudden,  plasma closed with no apparent reason.

-- Backtrace:
Application: Shell da área de trabalho do Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6b4287d7a0 (LWP 1666))]

Thread 4 (Thread 0x7f6b26f44700 (LWP 1678)):
#0  0x00007f6b4215f473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6b364a1f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6b364a2429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6b3f349f3e in QEventDispatcherGlib::processEvents (this=0x14d82f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6b3f31dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6b3f31def7 in QEventLoop::exec (this=0x7f6b26f43db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6b3f23527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f6b3f300cbf in QInotifyFileSystemWatcherEngine::run (this=0x14a5f80) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6b3f237d05 in QThreadPrivate::start (arg=0x14a5f80) at thread/qthread_unix.cpp:331
#9  0x00007f6b36faeefc in start_thread (arg=0x7f6b26f44700) at pthread_create.c:304
#10 0x00007f6b4216b59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6b18871700 (LWP 1698)):
#0  __pthread_mutex_lock (mutex=0x1c2f1c8) at pthread_mutex_lock.c:50
#1  0x00007f6b364a1023 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6b364a1dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6b364a2429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6b3f349f3e in QEventDispatcherGlib::processEvents (this=0x1c2ebf0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f6b3f31dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f6b3f31def7 in QEventLoop::exec (this=0x7f6b18870db0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f6b3f23527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f6b3f300cbf in QInotifyFileSystemWatcherEngine::run (this=0x1c2c060) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f6b3f237d05 in QThreadPrivate::start (arg=0x1c2c060) at thread/qthread_unix.cpp:331
#10 0x00007f6b36faeefc in start_thread (arg=0x7f6b18871700) at pthread_create.c:304
#11 0x00007f6b4216b59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6b12ae5700 (LWP 1728)):
#0  0x00007f6b4215f473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6b364a1f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6b364a2792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6b135c3516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f6b364c72b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6b36faeefc in start_thread (arg=0x7f6b12ae5700) at pthread_create.c:304
#6  0x00007f6b4216b59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6b4287d7a0 (LWP 1666)):
[KCrash Handler]
#6  qt_blend_argb32_on_argb32_ssse3 (destPixels=<optimized out>, dbpl=5260, srcPixels=<optimized out>, sbpl=115, w=29, h=28, const_alpha=256) at painting/qdrawhelper_ssse3.cpp:179
#7  0x00007f6b3e88c324 in QRasterPaintEngine::drawImage (this=<optimized out>, p=<optimized out>, img=...) at painting/qpaintengine_raster.cpp:2516
#8  0x00007f6b3e899b2e in QRasterPaintEngine::drawPixmap (this=0x24db7d0, pos=..., pixmap=...) at painting/qpaintengine_raster.cpp:2391
#9  0x00007f6b3e81a1df in QPainter::drawPixmap (this=0x7fff3e860350, p=..., pm=...) at painting/qpainter.cpp:5272
#10 0x00007f6b3ecd0e90 in QPainter::drawPixmap (this=<optimized out>, p=<optimized out>, pm=<optimized out>) at ../../include/QtGui/../../src/gui/painting/qpainter.h:842
#11 0x00007f6b3ecceccb in QGraphicsScenePrivate::drawItemHelper (this=0x12160a0, item=0x13bc4d0, painter=0x7fff3e860350, option=0x12162d0, widget=<optimized out>, painterStateProtection=<optimized out>) at graphicsview/qgraphicsscene.cpp:4709
#12 0x00007f6b3eccf66e in QGraphicsScenePrivate::draw (this=0x12160a0, item=0x13bc4d0, painter=0x7fff3e860350, viewTransform=0x7fff3e860070, transformPtr=0x7fff3e85f610, exposedRegion=0x24d6030, widget=0x24d8100, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4959
#13 0x00007f6b3ecd02c5 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x12160a0, item=0x13bc4d0, painter=0x7fff3e860350, viewTransform=0x7fff3e860070, exposedRegion=0x24d6030, widget=0x24d8100, parentOpacity=<optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4850
#14 0x00007f6b3eccf4e0 in QGraphicsScenePrivate::draw (this=0x12160a0, item=0x1230400, painter=0x7fff3e860350, viewTransform=0x7fff3e860070, transformPtr=0x7fff3e85fba0, exposedRegion=0x24d6030, widget=0x24d8100, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4976
#15 0x00007f6b3ecd02c5 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x12160a0, item=0x1230400, painter=0x7fff3e860350, viewTransform=0x7fff3e860070, exposedRegion=0x24d6030, widget=0x24d8100, parentOpacity=<optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4850
#16 0x00007f6b3ecd0ae1 in QGraphicsScenePrivate::drawItems (this=0x12160a0, painter=0x7fff3e860350, viewTransform=0x7fff3e860070, exposedRegion=0x24d6030, widget=0x24d8100) at graphicsview/qgraphicsscene.cpp:4732
#17 0x00007f6b3ece9ac0 in QGraphicsView::paintEvent (this=0x24d5940, event=<optimized out>) at graphicsview/qgraphicsview.cpp:3469
#18 0x00007f6b3e71ec9c in QWidget::event (this=0x24d5940, event=0x7fff3e860ab0) at kernel/qwidget.cpp:8441
#19 0x00007f6b3eac75b6 in QFrame::event (this=0x24d5940, e=0x7fff3e860ab0) at widgets/qframe.cpp:557
#20 0x00007f6b3eceadfb in QGraphicsView::viewportEvent (this=0x24d5940, event=0x7fff3e860ab0) at graphicsview/qgraphicsview.cpp:2864
#21 0x00007f6b3f31ec88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x24d8100, event=0x7fff3e860ab0) at kernel/qcoreapplication.cpp:902
#22 0x00007f6b3e6ce43f in notify_helper (e=0x7fff3e860ab0, receiver=0x24d8100, this=0x105e8e0) at kernel/qapplication.cpp:4482
#23 QApplicationPrivate::notify_helper (this=0x105e8e0, receiver=0x24d8100, e=0x7fff3e860ab0) at kernel/qapplication.cpp:4458
#24 0x00007f6b3e6d32e1 in QApplication::notify (this=0x1041fc0, receiver=0x24d8100, e=0x7fff3e860ab0) at kernel/qapplication.cpp:4365
#25 0x00007f6b3ffcd466 in KApplication::notify (this=0x1041fc0, receiver=0x24d8100, event=0x7fff3e860ab0) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007f6b3f31eafc in QCoreApplication::notifyInternal (this=0x1041fc0, receiver=0x24d8100, event=0x7fff3e860ab0) at kernel/qcoreapplication.cpp:787
#27 0x00007f6b3e71bbd4 in sendSpontaneousEvent (event=0x7fff3e860ab0, receiver=0x24d8100) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#28 QWidgetPrivate::drawWidget (this=0x24d83f0, pdev=0x246af30, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x24e5830) at kernel/qwidget.cpp:5528
#29 0x00007f6b3e71c7b0 in QWidgetPrivate::paintSiblingsRecursive (this=0x24d5ba0, pdev=0x246af30, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x24e5830) at kernel/qwidget.cpp:5735
#30 0x00007f6b3e71c690 in QWidgetPrivate::paintSiblingsRecursive (this=0x24d5ba0, pdev=0x246af30, siblings=..., index=4, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x24e5830) at kernel/qwidget.cpp:5722
#31 0x00007f6b3e71c690 in QWidgetPrivate::paintSiblingsRecursive (this=0x24d5ba0, pdev=0x246af30, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x24e5830) at kernel/qwidget.cpp:5722
#32 0x00007f6b3e71b92c in QWidgetPrivate::drawWidget (this=0x24d5ba0, pdev=0x246af30, rgn=..., offset=..., flags=<optimized out>, sharedPainter=0x0, backingStore=0x24e5830) at kernel/qwidget.cpp:5581
#33 0x00007f6b3e8df273 in QWidgetBackingStore::sync (this=0x24e5830) at painting/qbackingstore.cpp:1338
#34 0x00007f6b3e7123b0 in QWidgetPrivate::syncBackingStore (this=0x24d5ba0) at kernel/qwidget.cpp:1862
#35 0x00007f6b3e71f1ac in QWidget::event (this=0x24d5940, event=0x10e9220) at kernel/qwidget.cpp:8588
#36 0x00007f6b3eac75b6 in QFrame::event (this=0x24d5940, e=0x10e9220) at widgets/qframe.cpp:557
#37 0x00007f6b3eb492fb in QAbstractScrollArea::event (this=0x24d5940, e=0x10e9220) at widgets/qabstractscrollarea.cpp:996
#38 0x00007f6b4246f926 in PanelView::event (this=0x24d5940, event=0x10e9220) at ../../../../plasma/desktop/shell/panelview.cpp:1453
#39 0x00007f6b3e6ce474 in notify_helper (e=0x10e9220, receiver=0x24d5940, this=0x105e8e0) at kernel/qapplication.cpp:4486
#40 QApplicationPrivate::notify_helper (this=0x105e8e0, receiver=0x24d5940, e=0x10e9220) at kernel/qapplication.cpp:4458
#41 0x00007f6b3e6d32e1 in QApplication::notify (this=0x1041fc0, receiver=0x24d5940, e=0x10e9220) at kernel/qapplication.cpp:4365
#42 0x00007f6b3ffcd466 in KApplication::notify (this=0x1041fc0, receiver=0x24d5940, event=0x10e9220) at ../../kdeui/kernel/kapplication.cpp:311
#43 0x00007f6b3f31eafc in QCoreApplication::notifyInternal (this=0x1041fc0, receiver=0x24d5940, event=0x10e9220) at kernel/qcoreapplication.cpp:787
#44 0x00007f6b3f32251f in sendEvent (event=0x10e9220, receiver=0x24d5940) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#45 QCoreApplicationPrivate::sendPostedEvents (receiver=0x24d5940, event_type=77, data=0xfdb430) at kernel/qcoreapplication.cpp:1428
#46 0x00007f6b3ecc5ada in dispatchPendingUpdateRequests (this=0x24d5ba0) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#47 QGraphicsScenePrivate::_q_processDirtyItems (this=0x12160a0) at graphicsview/qgraphicsscene.cpp:515
#48 0x00007f6b3ecc5efa in QGraphicsScene::qt_metacall (this=0x1219240, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x3bab590) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#49 0x00007f6b41c8be95 in Plasma::Corona::qt_metacall (this=0x1219240, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x3bab590) at ./corona.moc:109
#50 0x00007f6b42463925 in DesktopCorona::qt_metacall (this=0x1219240, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x3bab590) at ./desktopcorona.moc:101
#51 0x00007f6b3f335a5e in QObject::event (this=0x1219240, e=<optimized out>) at kernel/qobject.cpp:1217
#52 0x00007f6b3eccc769 in QGraphicsScene::event (this=0x1219240, event=0x1ee5e70) at graphicsview/qgraphicsscene.cpp:3557
#53 0x00007f6b3e6ce474 in notify_helper (e=0x1ee5e70, receiver=0x1219240, this=0x105e8e0) at kernel/qapplication.cpp:4486
#54 QApplicationPrivate::notify_helper (this=0x105e8e0, receiver=0x1219240, e=0x1ee5e70) at kernel/qapplication.cpp:4458
#55 0x00007f6b3e6d32e1 in QApplication::notify (this=0x1041fc0, receiver=0x1219240, e=0x1ee5e70) at kernel/qapplication.cpp:4365
#56 0x00007f6b3ffcd466 in KApplication::notify (this=0x1041fc0, receiver=0x1219240, event=0x1ee5e70) at ../../kdeui/kernel/kapplication.cpp:311
#57 0x00007f6b3f31eafc in QCoreApplication::notifyInternal (this=0x1041fc0, receiver=0x1219240, event=0x1ee5e70) at kernel/qcoreapplication.cpp:787
#58 0x00007f6b3f32251f in sendEvent (event=0x1ee5e70, receiver=0x1219240) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#59 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xfdb430) at kernel/qcoreapplication.cpp:1428
#60 0x00007f6b3f349a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#61 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#62 0x00007f6b364a1a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007f6b364a2258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007f6b364a2429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f6b3f349ed6 in QEventDispatcherGlib::processEvents (this=0xfdcf40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#66 0x00007f6b3e77610e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#67 0x00007f6b3f31dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#68 0x00007f6b3f31def7 in QEventLoop::exec (this=0x7fff3e862970, flags=...) at kernel/qeventloop.cpp:201
#69 0x00007f6b3f322789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#70 0x00007f6b4246a1a3 in kdemain (argc=1, argv=0x7fff3e862d58) at ../../../../plasma/desktop/shell/main.cpp:120
#71 0x00007f6b420a930d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff3e862d58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff3e862d48) at libc-start.c:226
#72 0x0000000000400671 in _start ()

Possible duplicates by query: bug 285983.

Reported using DrKonqi