Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

i was waiting for a contact answering me on skype. I have skype and chrome opened, and maybe a rdesktop connection. Type nothing, move nothing, just waiting watching the screen. it happens 3 or 4 times already

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1f9eb20 (LWP 1755))]

Thread 4 (Thread 0xb085eb70 (LWP 1756)):
#0  0xb30d6d7b in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb76f4f14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2fb8eda in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2fba56d in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2fbac2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb6532b37 in QEventDispatcherGlib::processEvents (this=0x954d948, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0xb65031dd in QEventLoop::processEvents (this=0xb085e2a0, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6503421 in QEventLoop::exec (this=0xb085e2a0, flags=...) at kernel/qeventloop.cpp:201
#8  0xb640690b in QThread::exec (this=0x954b4c8) at thread/qthread.cpp:498
#9  0xb64e3e2d in QInotifyFileSystemWatcherEngine::run (this=0x954b4c8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb64097b3 in QThreadPrivate::start (arg=0x954b4c8) at thread/qthread_unix.cpp:331
#11 0xb30d4d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb76e70ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xa9b81b70 (LWP 1757)):
#0  0xb7722b63 in ?? () from /lib/i386-linux-gnu/libc.so.6
#1  0xb76d83b0 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2fc934b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2fba896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2fbac2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb6532b37 in QEventDispatcherGlib::processEvents (this=0x96f5630, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0xb65031dd in QEventLoop::processEvents (this=0xa9b812a0, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6503421 in QEventLoop::exec (this=0xa9b812a0, flags=...) at kernel/qeventloop.cpp:201
#8  0xb640690b in QThread::exec (this=0x96d0b48) at thread/qthread.cpp:498
#9  0xb64e3e2d in QInotifyFileSystemWatcherEngine::run (this=0x96d0b48) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb64097b3 in QThreadPrivate::start (arg=0x96d0b48) at thread/qthread_unix.cpp:331
#11 0xb30d4d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb76e70ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xa75bcb70 (LWP 1768)):
#0  0xb7824424 in __kernel_vsyscall ()
#1  0xb76d840e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2fc934b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2fba896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2fbaf9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xa7e9ccea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb2fe15f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb30d4d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb76e70ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb1f9eb20 (LWP 1755)):
[KCrash Handler]
#7  ref (this=<optimized out>) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#8  KSharedPtr (p=0x609, this=0xbffa4ae8) at /usr/include/KDE/../ksharedptr.h:77
#9  TaskManager::TaskItem::task (this=0x9e3a488) at ../../../libs/taskmanager/taskitem.cpp:116
#10 0xaab67662 in WindowTaskItem::publishIconGeometry (this=0xa354668) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0xaab78688 in AbstractTaskItem::timerEvent (this=0xa354668, event=0xbffa4fbc) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0xb651c994 in QObject::event (this=0xa354668, e=0xbffa4fbc) at kernel/qobject.cpp:1181
#13 0xb60eebd4 in QGraphicsWidget::event (this=0xa354668, event=0xbffa4fbc) at graphicsview/qgraphicswidget.cpp:1455
#14 0xb5a2fd54 in notify_helper (e=0xbffa4fbc, receiver=0xa354668, this=0x8fba2f8) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x8fba2f8, receiver=0xa354668, e=0xbffa4fbc) at kernel/qapplication.cpp:4458
#16 0xb5a35103 in QApplication::notify (this=0xbffa4fbc, receiver=0xa354668, e=0xbffa4fbc) at kernel/qapplication.cpp:3886
#17 0xb6b69681 in KApplication::notify (this=0x8fafe80, receiver=0xa354668, event=0xbffa4fbc) at ../../kdeui/kernel/kapplication.cpp:311
#18 0xb650419e in QCoreApplication::notifyInternal (this=0x8fafe80, receiver=0xa354668, event=0xbffa4fbc) at kernel/qcoreapplication.cpp:787
#19 0xb6534c10 in sendEvent (event=0xbffa4fbc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x8fbdeac) at kernel/qeventdispatcher_unix.cpp:603
#21 0xb6532155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=0x8fbe300) at kernel/qeventdispatcher_glib.cpp:231
#23 0xb2fba25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb2fba990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb2fbac2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb6532ada in QEventDispatcherGlib::processEvents (this=0x8f6a218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0xb5ae7e3a in QGuiEventDispatcherGlib::processEvents (this=0x8f6a218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0xb65031dd in QEventLoop::processEvents (this=0xbffa5234, flags=...) at kernel/qeventloop.cpp:149
#29 0xb6503421 in QEventLoop::exec (this=0xbffa5234, flags=...) at kernel/qeventloop.cpp:201
#30 0xb650819d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0xb5a2d8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#32 0xb77d918b in kdemain (argc=1, argv=0xbffa5434) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x0804850b in main (argc=1, argv=0xbffa5434) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 291156, bug 289117, bug 287989, bug 287292, bug 286588.

Reported using DrKonqi