Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.85 (KDE 4.4.85 (KDE 4.5 Beta2))
Qt Version: 4.7.0
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Clicking the Quick Acces icon in the taskbar. Screen went black - Plasma restored itself after a few seconds.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma-werkgebied (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f1e087ed7a0 (LWP 3250))]

Thread 2 (Thread 0x7f1de4843710 (LWP 3254)):
#0  0x00007f1e081f8f53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f1dfcf104a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f1dfcf108fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f1e058879c6 in QEventDispatcherGlib::processEvents (this=0x2b1a150, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f1e0585a5b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f1e0585a98c in QEventLoop::exec (this=0x7f1de4842d70, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f1e057661cd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f1e0583a4d8 in QInotifyFileSystemWatcherEngine::run (this=0x2aa4840) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f1e0576914e in QThreadPrivate::start (arg=0x2aa4840) at thread/qthread_unix.cpp:266
#9  0x00007f1e054d79ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f1e082056cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1e087ed7a0 (LWP 3250)):
[KCrash Handler]
#6  KFileItemDelegate::Private::subtractMargin (this=0x3347c00, option=...) at ../../kio/kio/kfileitemdelegate.cpp:198
#7  KFileItemDelegate::Private::iconPosition (this=0x3347c00, option=...) at ../../kio/kio/kfileitemdelegate.cpp:1158
#8  0x00007f1e078b7eb2 in KFileItemDelegate::paint (this=0x3346ba0, painter=<value optimized out>, option=..., index=...) at ../../kio/kio/kfileitemdelegate.cpp:1247
#9  0x00007f1dea25090a in ?? () from /usr/lib/kde4/plasma_applet_quickaccess.so
#10 0x00007f1dea250bc8 in ?? () from /usr/lib/kde4/plasma_applet_quickaccess.so
#11 0x00007f1e04a1dd7e in QWidget::event (this=0x318aa10, event=0x7fff1df78ee0) at kernel/qwidget.cpp:8243
#12 0x00007f1e04ddc6a6 in QFrame::event (this=0x318aa10, e=0x7fff1df78ee0) at widgets/qframe.cpp:557
#13 0x00007f1e04f124cb in QAbstractItemView::viewportEvent (this=0x318aa10, event=0x7fff1df78ee0) at itemviews/qabstractitemview.cpp:1619
#14 0x00007f1dea25054d in ?? () from /usr/lib/kde4/plasma_applet_quickaccess.so
#15 0x00007f1e0585b0a7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x318ae50, event=0x7fff1df78ee0) at kernel/qcoreapplication.cpp:847
#16 0x00007f1e049c881c in QApplicationPrivate::notify_helper (this=0x1c118b0, receiver=0x318ae50, e=0x7fff1df78ee0) at kernel/qapplication.cpp:4354
#17 0x00007f1e049ce2ed in QApplication::notify (this=0x1bf6470, receiver=0x318ae50, e=0x7fff1df78ee0) at kernel/qapplication.cpp:4241
#18 0x00007f1e0650ff16 in KApplication::notify (this=0x1bf6470, receiver=0x318ae50, event=0x7fff1df78ee0) at ../../kdeui/kernel/kapplication.cpp:302
#19 0x00007f1e0585b87c in QCoreApplication::notifyInternal (this=0x1bf6470, receiver=0x318ae50, event=0x7fff1df78ee0) at kernel/qcoreapplication.cpp:732
#20 0x00007f1e04a2452d in QCoreApplication::sendSpontaneousEvent (this=0x318af60, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x330cdd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#21 QWidgetPrivate::drawWidget (this=0x318af60, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, backingStore=0x330cdd0)
    at kernel/qwidget.cpp:5330
#22 0x00007f1e04a251c8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=0, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x330cdd0) at kernel/qwidget.cpp:5537
#23 0x00007f1e04a2428a in QWidgetPrivate::drawWidget (this=0x318aa50, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x330cdd0) at kernel/qwidget.cpp:5383
#24 0x00007f1e04a251c8 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=9, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x330cdd0) at kernel/qwidget.cpp:5537
#25 0x00007f1e04a2428a in QWidgetPrivate::drawWidget (this=0x32b1da0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x330cdd0) at kernel/qwidget.cpp:5383
#26 0x00007f1e04bf1b98 in QWidgetBackingStore::sync (this=0x330cdd0) at painting/qbackingstore.cpp:1328
#27 0x00007f1e04a17870 in QWidgetPrivate::syncBackingStore (this=0x32b1da0) at kernel/qwidget.cpp:1720
#28 0x00007f1e04a1e44b in QWidget::event (this=0x31faf40, event=0x3394730) at kernel/qwidget.cpp:8390
#29 0x00007f1e07d51700 in Plasma::Dialog::event (this=0x31faf40, event=0x3394730) at ../../plasma/dialog.cpp:589
#30 0x00007f1e049c884c in QApplicationPrivate::notify_helper (this=0x1c118b0, receiver=0x31faf40, e=0x3394730) at kernel/qapplication.cpp:4358
#31 0x00007f1e049ce2ed in QApplication::notify (this=0x1bf6470, receiver=0x31faf40, e=0x3394730) at kernel/qapplication.cpp:4241
#32 0x00007f1e0650ff16 in KApplication::notify (this=0x1bf6470, receiver=0x31faf40, event=0x3394730) at ../../kdeui/kernel/kapplication.cpp:302
#33 0x00007f1e0585b87c in QCoreApplication::notifyInternal (this=0x1bf6470, receiver=0x31faf40, event=0x3394730) at kernel/qcoreapplication.cpp:732
#34 0x00007f1e0585e7a2 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1bda660) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#35 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1bda660) at kernel/qcoreapplication.cpp:1373
#36 0x00007f1e05887e33 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#37 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#38 0x00007f1dfcf0c8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#39 0x00007f1dfcf10748 in ?? () from /lib/libglib-2.0.so.0
#40 0x00007f1dfcf108fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#41 0x00007f1e05887973 in QEventDispatcherGlib::processEvents (this=0x1bd9d60, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#42 0x00007f1e04a79dee in QGuiEventDispatcherGlib::processEvents (this=0x3347c00, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007f1e0585a5b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#44 0x00007f1e0585a98c in QEventLoop::exec (this=0x7fff1df7a7e0, flags=) at kernel/qeventloop.cpp:201
#45 0x00007f1e0585ea3b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#46 0x00007f1e084dd6f6 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#47 0x00007f1e0813dc4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff1df7aba8) at libc-start.c:226
#48 0x00000000004006c9 in _start ()

Possible duplicates by query: bug 240094.

Reported using DrKonqi