Bug 301798

Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic-pae i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
kde crashes regularly while working with and changing between e.g. Thunderbird or Firefox

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Bus error
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1aa3740 (LWP 1914))]

Thread 4 (Thread 0xa9cbcb40 (LWP 1916)):
#0  QEventDispatcherGlib::processEvents (this=0xa9300468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#1  0xb640c50d in QEventLoop::processEvents (this=0xa9cbc240, flags=...) at kernel/qeventloop.cpp:149
#2  0xb640c7a9 in QEventLoop::exec (this=0xa9cbc240, flags=...) at kernel/qeventloop.cpp:204
#3  0xb62f594c in QThread::exec (this=0xa1c64c0) at thread/qthread.cpp:501
#4  0xb63e9b5d in QInotifyFileSystemWatcherEngine::run (this=0xa1c64c0) at io/qfilesystemwatcher_inotify.cpp:248
#5  0xb62f8de0 in QThreadPrivate::start (arg=0xa1c64c0) at thread/qthread_unix.cpp:298
#6  0xb2cabd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0xb761cace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa7a46b40 (LWP 1928)):
#0  0xb776e424 in __kernel_vsyscall ()
#1  0xb2caf96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb762a3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb3c6e029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3c6e06f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb2cabd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb761cace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa5dffb40 (LWP 1930)):
#0  0xb776e424 in __kernel_vsyscall ()
#1  0xb760e380 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2ba8a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2b9b06e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2b9b1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb64408e7 in QEventDispatcherGlib::processEvents (this=0xa5a93f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb640c50d in QEventLoop::processEvents (this=0xa5dff240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb640c7a9 in QEventLoop::exec (this=0xa5dff240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb62f594c in QThread::exec (this=0xa9dc950) at thread/qthread.cpp:501
#9  0xb63e9b5d in QInotifyFileSystemWatcherEngine::run (this=0xa9dc950) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb62f8de0 in QThreadPrivate::start (arg=0xa9dc950) at thread/qthread_unix.cpp:298
#11 0xb2cabd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb761cace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1aa3740 (LWP 1914)):
[KCrash Handler]
#7  0xb766dd2e in ?? () from /lib/i386-linux-gnu/libc.so.6
#8  0xb68263f4 in qstrncmp (len=<optimized out>, str2=0xad39710 "16_16_/usr/share/kde4/apps/desktoptheme/default/widgets/tooltip.svgzmask-topright", str1=<optimized out>) at /usr/include/qt4/QtCore/qbytearray.h:104
#9  findNamedEntry (key=..., this=0xa9d6d000) at ../../kdecore/util/kshareddatacache.cpp:718
#10 KSharedDataCache::find (this=0xa420668, key=..., destination=0xbfe98618) at ../../kdecore/util/kshareddatacache.cpp:1515
#11 0xb6b1c498 in KImageCache::findPixmap (this=0xa420668, key=..., destination=0xbfe98670) at ../../kdeui/util/kimagecache.cpp:150
#12 0xb73cd386 in Plasma::Theme::findInCache (this=0x9e49cf0, key=..., pix=...) at ../../plasma/theme.cpp:953
#13 0xb73cd431 in Plasma::Theme::findInCache (this=0x9e49cf0, key=..., pix=..., lastModified=0) at ../../plasma/theme.cpp:969
#14 0xb73c9f2e in Plasma::SvgPrivate::findInCache (this=0xadc7700, elementId=..., s=...) at ../../plasma/svg.cpp:339
#15 0xb73ca47f in Plasma::Svg::paint (this=0xace87e8, painter=0xbfe98e50, rect=..., elementID=...) at ../../plasma/svg.cpp:674
#16 0xb734f6c4 in Plasma::FrameSvgPrivate::generateFrameBackground (this=0xa704f60, frame=0xa66ab88) at ../../plasma/framesvg.cpp:827
#17 0xb73501a0 in Plasma::FrameSvgPrivate::generateBackground (this=0xa704f60, frame=0xa66ab88) at ../../plasma/framesvg.cpp:679
#18 0xb73515d0 in Plasma::FrameSvgPrivate::generateBackground (this=0xa704f60, frame=0xa66ab88) at ../../plasma/framesvg.cpp:659
#19 0xb734c735 in Plasma::FrameSvgPrivate::alphaMask (this=0xa704f60) at ../../plasma/framesvg.cpp:646
#20 0xb7351c30 in Plasma::FrameSvg::mask (this=0xace87e8) at ../../plasma/framesvg.cpp:459
#21 0xb7392f90 in Plasma::ToolTip::resizeEvent (this=0xacd6380, e=0xbfe99834) at ../../plasma/private/tooltip.cpp:344
#22 0xb595318e in QWidget::event (this=0xacd6380, event=0xbfe99834) at kernel/qwidget.cpp:8516
#23 0xb58f8ed4 in notify_helper (e=0xbfe99834, receiver=0xacd6380, this=0x9dc7bb0) at kernel/qapplication.cpp:4559
#24 QApplicationPrivate::notify_helper (this=0x9dc7bb0, receiver=0xacd6380, e=0xbfe99834) at kernel/qapplication.cpp:4531
#25 0xb58fe3a2 in QApplication::notify (this=0x9dc7bb0, receiver=0xacd6380, e=0xbfe99834) at kernel/qapplication.cpp:4524
#26 0xb6aa7b61 in KApplication::notify (this=0x9db8ce8, receiver=0xacd6380, event=0xbfe99834) at ../../kdeui/kernel/kapplication.cpp:311
#27 0xb640d97e in QCoreApplication::notifyInternal (this=0x9db8ce8, receiver=0xacd6380, event=0xbfe99834) at kernel/qcoreapplication.cpp:876
#28 0xb594d697 in sendEvent (event=0xbfe99834, receiver=0xacd6380) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0xadc9808, recursive=false, disableUpdates=<optimized out>) at kernel/qwidget.cpp:7432
#30 0xb5956158 in QWidgetPrivate::show_helper (this=0xadc9808) at kernel/qwidget.cpp:7483
#31 0xb59565c1 in QWidget::setVisible (this=0xacd6380, visible=true) at kernel/qwidget.cpp:7764
#32 0xb73d9e2f in show (this=<optimized out>) at /usr/include/qt4/QtGui/qwidget.h:494
#33 Plasma::ToolTipManagerPrivate::showToolTip (this=0x9ed04b8) at ../../plasma/tooltipmanager.cpp:423
#34 0xb73da213 in qt_static_metacall (_a=0xbfe99ab0, _id=2, _o=0x9ed07e8, _c=<optimized out>) at ./tooltipmanager.moc:65
#35 Plasma::ToolTipManager::qt_static_metacall (_o=0x9ed07e8, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfe99ab0) at ./tooltipmanager.moc:57
#36 0xb64246b1 in QMetaObject::activate (sender=0x9ed0838, m=0xb656b4d8, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#37 0xb6477625 in QTimer::timeout (this=0x9ed0838) at .moc/release-shared/moc_qtimer.cpp:148
#38 0xb642d566 in QTimer::timerEvent (this=0x9ed0838, e=0xbfe99fbc) at kernel/qtimer.cpp:280
#39 0xb6428ac4 in QObject::event (this=0x9ed0838, e=0xbfe99fbc) at kernel/qobject.cpp:1157
#40 0xb58f8ed4 in notify_helper (e=0xbfe99fbc, receiver=0x9ed0838, this=0x9dc7bb0) at kernel/qapplication.cpp:4559
#41 QApplicationPrivate::notify_helper (this=0x9dc7bb0, receiver=0x9ed0838, e=0xbfe99fbc) at kernel/qapplication.cpp:4531
#42 0xb58fe30d in QApplication::notify (this=0xbfe99fbc, receiver=0x9ed0838, e=0xbfe99fbc) at kernel/qapplication.cpp:4288
#43 0xb6aa7b61 in KApplication::notify (this=0x9db8ce8, receiver=0x9ed0838, event=0xbfe99fbc) at ../../kdeui/kernel/kapplication.cpp:311
#44 0xb640d97e in QCoreApplication::notifyInternal (this=0x9db8ce8, receiver=0x9ed0838, event=0xbfe99fbc) at kernel/qcoreapplication.cpp:876
#45 0xb6442990 in sendEvent (event=0xbfe99fbc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#46 QTimerInfoList::activateTimers (this=0x9dcd074) at kernel/qeventdispatcher_unix.cpp:611
#47 0xb64400f8 in timerSourceDispatch (source=0x9dcd040) at kernel/qeventdispatcher_glib.cpp:186
#48 timerSourceDispatch (source=0x9dcd040) at kernel/qeventdispatcher_glib.cpp:180
#49 0xb2b9acda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#50 0xb2b9b0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#51 0xb2b9b1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#52 0xb6440887 in QEventDispatcherGlib::processEvents (this=0x9d71ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#53 0xb59b1aaa in QGuiEventDispatcherGlib::processEvents (this=0x9d71ea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#54 0xb640c50d in QEventLoop::processEvents (this=0xbfe9a224, flags=...) at kernel/qeventloop.cpp:149
#55 0xb640c7a9 in QEventLoop::exec (this=0xbfe9a224, flags=...) at kernel/qeventloop.cpp:204
#56 0xb6411eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#57 0xb58f6a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#58 0xb7722a7b in kdemain (argc=1, argv=0xbfe9a424) at ../../../../plasma/desktop/shell/main.cpp:120
#59 0x0804850b in main (argc=1, argv=0xbfe9a424) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 297821, bug 289909, bug 280454.

Reported using DrKonqi