Bug 287848

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: When opening a pdf file in the internet plasma chrashed even the pdf file has shown up correctly with Okular.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7861b20 (LWP 1595))]

Thread 4 (Thread 0xb1638b70 (LWP 1596)):
#0  0x002d2f20 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#1  0x0405bf1f in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0405c8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0405cc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x06502b37 in QEventDispatcherGlib::processEvents (this=0xa1eb7d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x064d31dd in QEventLoop::processEvents (this=0xb16382a0, flags=...) at kernel/qeventloop.cpp:149
#6  0x064d3421 in QEventLoop::exec (this=0xb16382a0, flags=...) at kernel/qeventloop.cpp:201
#7  0x063d690b in QThread::exec (this=0xa1de1f8) at thread/qthread.cpp:498
#8  0x064b3e2d in QInotifyFileSystemWatcherEngine::run (this=0xa1de1f8) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x063d97b3 in QThreadPrivate::start (arg=0xa1de1f8) at thread/qthread_unix.cpp:331
#10 0x057c1d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x002c50ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xafe57b70 (LWP 1597)):
#0  0x057c4d44 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x002d2f54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x0405c877 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0405cc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x06502b37 in QEventDispatcherGlib::processEvents (this=0x9b98f00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x064d31dd in QEventLoop::processEvents (this=0xafe572a0, flags=...) at kernel/qeventloop.cpp:149
#6  0x064d3421 in QEventLoop::exec (this=0xafe572a0, flags=...) at kernel/qeventloop.cpp:201
#7  0x063d690b in QThread::exec (this=0x9d72ef0) at thread/qthread.cpp:498
#8  0x064b3e2d in QInotifyFileSystemWatcherEngine::run (this=0x9d72ef0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x063d97b3 in QThreadPrivate::start (arg=0x9d72ef0) at thread/qthread_unix.cpp:331
#10 0x057c1d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x002c50ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xadbd5b70 (LWP 1605)):
#0  0x057c3dc6 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x002d2f14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x0405bceb in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0405c8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0405cf9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x05906cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x040835f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x057c1d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x002c50ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb7861b20 (LWP 1595)):
[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=0xac180f8) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x08a2c590 in WindowTaskItem::publishIconGeometry (this=0xac10b48, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#11 0x08a3eb24 in TaskGroupItem::publishIconGeometry (this=0xac1bbf8, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1438
#12 0x08a3e801 in publishIconGeometry (this=0xac1bbf8) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#13 TaskGroupItem::publishIconGeometry (this=0xac1bbf8) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#14 0x08a3d688 in AbstractTaskItem::timerEvent (this=0xac1bbf8, event=0xbfe04aac) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#15 0x064ec994 in QObject::event (this=0xac1bbf8, e=0xbfe04aac) at kernel/qobject.cpp:1181
#16 0x01eebbd4 in QGraphicsWidget::event (this=0xac1bbf8, event=0xbfe04aac) at graphicsview/qgraphicswidget.cpp:1455
#17 0x0182cd54 in notify_helper (e=0xbfe04aac, receiver=0xac1bbf8, this=0x9b44860) at kernel/qapplication.cpp:4486
#18 QApplicationPrivate::notify_helper (this=0x9b44860, receiver=0xac1bbf8, e=0xbfe04aac) at kernel/qapplication.cpp:4458
#19 0x01832103 in QApplication::notify (this=0xbfe04aac, receiver=0xac1bbf8, e=0xbfe04aac) at kernel/qapplication.cpp:3886
#20 0x0104e681 in KApplication::notify (this=0x9b389d8, receiver=0xac1bbf8, event=0xbfe04aac) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x064d419e in QCoreApplication::notifyInternal (this=0x9b389d8, receiver=0xac1bbf8, event=0xbfe04aac) at kernel/qcoreapplication.cpp:787
#22 0x06504c10 in sendEvent (event=0xbfe04aac, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#23 QTimerInfoList::activateTimers (this=0x9b47834) at kernel/qeventdispatcher_unix.cpp:603
#24 0x06502122 in timerSourceDispatch (source=0x9b47800) at kernel/qeventdispatcher_glib.cpp:184
#25 0x0405c25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x0405c990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x0405cc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x06502ada in QEventDispatcherGlib::processEvents (this=0x9af5218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#29 0x018e4e3a in QGuiEventDispatcherGlib::processEvents (this=0x9af5218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x064d31dd in QEventLoop::processEvents (this=0xbfe04d24, flags=...) at kernel/qeventloop.cpp:149
#31 0x064d3421 in QEventLoop::exec (this=0xbfe04d24, flags=...) at kernel/qeventloop.cpp:201
#32 0x064d819d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#33 0x0182a8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#34 0x00b4c18b in kdemain (argc=1, argv=0xbfe04f24) at ../../../../plasma/desktop/shell/main.cpp:120
#35 0x0804850b in main (argc=1, argv=0xbfe04f24) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 287831, bug 287740, bug 287714, bug 287670, bug 287637.

Reported using DrKonqi