Bug 285019

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

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

Simply logout from KDE session and Plasma will crash.

Thanks.

-- Backtrace:
Application: Shell plochy Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f53a8c057a0 (LWP 22053))]

Thread 4 (Thread 0x7f537df46700 (LWP 22057)):
#0  0x00007f53a84e4773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f539ca6ff68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f539ca70429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f53a56d6f3e in QEventDispatcherGlib::processEvents (this=0x25e3ef0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f53a56aacf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f53a56aaef7 in QEventLoop::exec (this=0x7f537df45db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f53a55c227f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f53a568dcbf in QInotifyFileSystemWatcherEngine::run (this=0x25d1e80) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f53a55c4d05 in QThreadPrivate::start (arg=0x25d1e80) at thread/qthread_unix.cpp:331
#9  0x00007f539d57cefc in start_thread (arg=0x7f537df46700) at pthread_create.c:304
#10 0x00007f53a84f089d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f537c313700 (LWP 22058)):
#0  0x00007f53a84e4773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f539ca6ff68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f539ca70429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f53a56d6f3e in QEventDispatcherGlib::processEvents (this=0x281d6c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f53a56aacf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f53a56aaef7 in QEventLoop::exec (this=0x7f537c312db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f53a55c227f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f53a568dcbf in QInotifyFileSystemWatcherEngine::run (this=0x28286e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f53a55c4d05 in QThreadPrivate::start (arg=0x28286e0) at thread/qthread_unix.cpp:331
#9  0x00007f539d57cefc in start_thread (arg=0x7f537c313700) at pthread_create.c:304
#10 0x00007f53a84f089d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5377d29700 (LWP 22064)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f53a26dbfe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f53a26dc019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f539d57cefc in start_thread (arg=0x7f5377d29700) at pthread_create.c:304
#4  0x00007f53a84f089d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f53a8c057a0 (LWP 22053)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f538dfedb96 in TaskGroupItem::~TaskGroupItem (this=0x3d9f430, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f538dfedc49 in TaskGroupItem::~TaskGroupItem (this=0x3d9f430, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007f53a56c2a88 in QObject::event (this=0x3d9f430, e=<optimized out>) at kernel/qobject.cpp:1200
#10 0x00007f53a507a89b in QGraphicsWidget::event (this=0x3d9f430, event=0x2ceb7d0) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f53a4a5c424 in notify_helper (e=0x2ceb7d0, receiver=0x3d9f430, this=0x1b17bd0) at kernel/qapplication.cpp:4486
#12 QApplicationPrivate::notify_helper (this=0x1b17bd0, receiver=0x3d9f430, e=0x2ceb7d0) at kernel/qapplication.cpp:4458
#13 0x00007f53a4a61291 in QApplication::notify (this=0x1b0a6f0, receiver=0x3d9f430, e=0x2ceb7d0) at kernel/qapplication.cpp:4365
#14 0x00007f53a635a126 in KApplication::notify (this=0x1b0a6f0, receiver=0x3d9f430, event=0x2ceb7d0) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007f53a56abafc in QCoreApplication::notifyInternal (this=0x1b0a6f0, receiver=0x3d9f430, event=0x2ceb7d0) at kernel/qcoreapplication.cpp:787
#16 0x00007f53a56af51f in sendEvent (event=0x2ceb7d0, receiver=0x3d9f430) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x1a8f430) at kernel/qcoreapplication.cpp:1428
#18 0x00007f53a56af7c4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007f53a87ef1a3 in kdemain (argc=1, argv=0x7fffda9c9bc8) at ../../../../plasma/desktop/shell/main.cpp:120
#20 0x00007f53a843030d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffda9c9bc8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffda9c9bb8) at libc-start.c:226
#21 0x0000000000400671 in _start ()

Possible duplicates by query: bug 284948, bug 284791, bug 284635, bug 284630, bug 284615.

Reported using DrKonqi