Bug 291447

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 i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: Plasma crahes every time I want to open an attachment in my E-mail program Thunderbird.

-- Backtrace:
Application: Plasma bureaublad-shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb776ea00 (LWP 1708))]

Thread 4 (Thread 0xb1549b70 (LWP 1709)):
#0  0x01f26def in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x01f278f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x01f27c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x05e97b37 in QEventDispatcherGlib::processEvents (this=0x9cf3828, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x05e681dd in QEventLoop::processEvents (this=0xb15492b0, flags=...) at kernel/qeventloop.cpp:149
#5  0x05e68421 in QEventLoop::exec (this=0xb15492b0, flags=...) at kernel/qeventloop.cpp:201
#6  0x05d6b90b in QThread::exec (this=0x9cf8058) at thread/qthread.cpp:498
#7  0x05e48e2d in QInotifyFileSystemWatcherEngine::run (this=0x9cf8058) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x05d6e7b3 in QThreadPrivate::start (arg=0x9cf8058) at thread/qthread_unix.cpp:331
#9  0x01e35d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0x007d80ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xafa37b70 (LWP 1710)):
#0  0x01e96d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x05dc57d5 in do_gettime (frac=0xafa37020, sec=0xafa37018) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x05e984b6 in QTimerInfoList::updateCurrentTime (this=0x9d4ba6c) at kernel/qeventdispatcher_unix.cpp:339
#4  0x05e9880a in QTimerInfoList::timerWait (this=0x9d4ba6c, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x05e97053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xafa3712c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x05e970ed in timerSourcePrepare (source=0x9d4ba38, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x01f2688c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x01f27637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x01f27c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x05e97b37 in QEventDispatcherGlib::processEvents (this=0x98c5790, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x05e681dd in QEventLoop::processEvents (this=0xafa372b0, flags=...) at kernel/qeventloop.cpp:149
#12 0x05e68421 in QEventLoop::exec (this=0xafa372b0, flags=...) at kernel/qeventloop.cpp:201
#13 0x05d6b90b in QThread::exec (this=0x98a8790) at thread/qthread.cpp:498
#14 0x05e48e2d in QInotifyFileSystemWatcherEngine::run (this=0x98a8790) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x05d6e7b3 in QThreadPrivate::start (arg=0x98a8790) at thread/qthread_unix.cpp:331
#16 0x01e35d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x007d80ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xae21bb70 (LWP 1716)):
#0  0x01e37dbd in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x007e5f14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x01f27933 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x01f27f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x05b1ecea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#5  0x01f4e5f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x01e35d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0x007d80ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb776ea00 (LWP 1708)):
[KCrash Handler]
#7  isNull (this=0x1) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x1) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0xa2da090) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x085a3590 in WindowTaskItem::publishIconGeometry (this=0xa5b0678, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#11 0x085b5b24 in TaskGroupItem::publishIconGeometry (this=0xa5b5f00, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1438
#12 0x085b5801 in publishIconGeometry (this=0xa5b5f00) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#13 TaskGroupItem::publishIconGeometry (this=0xa5b5f00) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#14 0x085b4688 in AbstractTaskItem::timerEvent (this=0xa5b5f00, event=0xbfcffdcc) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#15 0x05e81994 in QObject::event (this=0xa5b5f00, e=0xbfcffdcc) at kernel/qobject.cpp:1181
#16 0x01830bd4 in QGraphicsWidget::event (this=0xa5b5f00, event=0xbfcffdcc) at graphicsview/qgraphicswidget.cpp:1455
#17 0x01171d54 in notify_helper (e=0xbfcffdcc, receiver=0xa5b5f00, this=0x9607af8) at kernel/qapplication.cpp:4486
#18 QApplicationPrivate::notify_helper (this=0x9607af8, receiver=0xa5b5f00, e=0xbfcffdcc) at kernel/qapplication.cpp:4458
#19 0x01177103 in QApplication::notify (this=0xbfcffdcc, receiver=0xa5b5f00, e=0xbfcffdcc) at kernel/qapplication.cpp:3886
#20 0x0580c681 in KApplication::notify (this=0x95ee900, receiver=0xa5b5f00, event=0xbfcffdcc) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x05e6919e in QCoreApplication::notifyInternal (this=0x95ee900, receiver=0xa5b5f00, event=0xbfcffdcc) at kernel/qcoreapplication.cpp:787
#22 0x05e99c10 in sendEvent (event=0xbfcffdcc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#23 QTimerInfoList::activateTimers (this=0x9604ecc) at kernel/qeventdispatcher_unix.cpp:603
#24 0x05e97155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#25 idleTimerSourceDispatch (source=0x9604400) at kernel/qeventdispatcher_glib.cpp:231
#26 0x01f2725f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x01f27990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x01f27c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0x05e97ada in QEventDispatcherGlib::processEvents (this=0x95ad230, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#30 0x01229e3a in QGuiEventDispatcherGlib::processEvents (this=0x95ad230, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x05e681dd in QEventLoop::processEvents (this=0xbfd00044, flags=...) at kernel/qeventloop.cpp:149
#32 0x05e68421 in QEventLoop::exec (this=0xbfd00044, flags=...) at kernel/qeventloop.cpp:201
#33 0x05e6d19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#34 0x0116f8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#35 0x0058118b in kdemain (argc=1, argv=0xbfd00244) at ../../../../plasma/desktop/shell/main.cpp:120
#36 0x0804850b in main (argc=1, argv=0xbfd00244) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 291439, bug 291431, bug 291419, bug 291409, bug 291398.

Reported using DrKonqi