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 x86_64
Distribution: Ubuntu 11.10

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

This is the launch of Adobe Reader that caused the crash manager KDE.

- Unusual behavior I noticed:

Disappearance of the task manager for a few seconds the system freeze, then return to normal.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f0af5ba27c0 (LWP 2152))]

Thread 4 (Thread 0x7f0ad1ae5700 (LWP 2153)):
#0  0x00007f0af5486773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0ae9a10f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0ae9a11429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0af2677f3e in QEventDispatcherGlib::processEvents (this=0x2d18e40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f0af264bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f0af264bef7 in QEventLoop::exec (this=0x7f0ad1ae4cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f0af256327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f0af262ecbf in QInotifyFileSystemWatcherEngine::run (this=0x2d1b4e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f0af2565d05 in QThreadPrivate::start (arg=0x2d1b4e0) at thread/qthread_unix.cpp:331
#9  0x00007f0ae6d2a56c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f0aea51defc in start_thread (arg=0x7f0ad1ae5700) at pthread_create.c:304
#11 0x00007f0af549289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f0acafbf700 (LWP 2154)):
#0  0x00007f0ae9a1089b in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0ae9a11258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0ae9a11429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0af2677f3e in QEventDispatcherGlib::processEvents (this=0x2f351b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f0af264bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f0af264bef7 in QEventLoop::exec (this=0x7f0acafbecd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f0af256327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f0af262ecbf in QInotifyFileSystemWatcherEngine::run (this=0x2f344a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f0af2565d05 in QThreadPrivate::start (arg=0x2f344a0) at thread/qthread_unix.cpp:331
#9  0x00007f0ae6d2a56c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f0aea51defc in start_thread (arg=0x7f0acafbf700) at pthread_create.c:304
#11 0x00007f0af549289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f0ac7d70700 (LWP 2160)):
#0  0x00007f0af5486773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0ae9a10f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0ae9a11792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0ac884e516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f0ae9a362b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0ae6d2a56c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#6  0x00007f0aea51defc in start_thread (arg=0x7f0ac7d70700) at pthread_create.c:304
#7  0x00007f0af549289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0af5ba27c0 (LWP 2152)):
[KCrash Handler]
#6  isNull (this=0x4d0000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x4d0000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x3772a10) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f0ada779068 in WindowTaskItem::publishIconGeometry (this=0x3248ea0, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#10 0x00007f0ada788d24 in TaskGroupItem::publishIconGeometry (this=<optimized out>, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1432
#11 0x00007f0ada788aa5 in publishIconGeometry (this=0x447b8e0) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#12 TaskGroupItem::publishIconGeometry (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#13 0x00007f0ada787b7c in AbstractTaskItem::timerEvent (this=0x447b8e0, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#14 0x00007f0af2663789 in QObject::event (this=0x447b8e0, e=<optimized out>) at kernel/qobject.cpp:1181
#15 0x00007f0af201b89b in QGraphicsWidget::event (this=0x447b8e0, event=0x7fffa5776c70) at graphicsview/qgraphicswidget.cpp:1455
#16 0x00007f0af19fd424 in notify_helper (e=0x7fffa5776c70, receiver=0x447b8e0, this=0x2335a90) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x2335a90, receiver=0x447b8e0, e=0x7fffa5776c70) at kernel/qapplication.cpp:4458
#18 0x00007f0af1a02291 in QApplication::notify (this=0x23233c0, receiver=0x447b8e0, e=0x7fffa5776c70) at kernel/qapplication.cpp:4365
#19 0x00007f0af32fb126 in KApplication::notify (this=0x23233c0, receiver=0x447b8e0, event=0x7fffa5776c70) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f0af264cafc in QCoreApplication::notifyInternal (this=0x23233c0, receiver=0x447b8e0, event=0x7fffa5776c70) at kernel/qcoreapplication.cpp:787
#21 0x00007f0af2679d62 in sendEvent (event=0x7fffa5776c70, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x2335200) at kernel/qeventdispatcher_unix.cpp:603
#23 0x00007f0af2677514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#24 0x00007f0ae9a10a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f0ae9a11258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f0ae9a11429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f0af2677ed6 in QEventDispatcherGlib::processEvents (this=0x2276f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#28 0x00007f0af1aa507e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f0af264bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f0af264bef7 in QEventLoop::exec (this=0x7fffa5776f00, flags=...) at kernel/qeventloop.cpp:201
#31 0x00007f0af2650789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#32 0x00007f0af57911a3 in kdemain (argc=1, argv=0x7fffa57772e8) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x00007f0af53d230d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffa57772e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa57772d8) at libc-start.c:226
#34 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 290185.

Possible duplicates by query: bug 290199, bug 290194, bug 290185, bug 290178, bug 290165.

Reported using DrKonqi