Bug 283747

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1)
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:

shut down. strigi was busy indexing my email (I guess) but there is nothing else to report. kde 4.7.1 .

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fa5262997a0 (LWP 1749))]

Thread 8 (Thread 0x7fa503b57700 (LWP 1750)):
#0  0x00007fa51a103656 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa51a104d81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa51a105429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa522d6bf3e in QEventDispatcherGlib::processEvents (this=0x297fb00, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fa522d3fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa522d3fef7 in QEventLoop::exec (this=0x7fa503b56db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fa522c5727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fa522d22cbf in QInotifyFileSystemWatcherEngine::run (this=0x297f350) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fa522c59d05 in QThreadPrivate::start (arg=0x297f350) at thread/qthread_unix.cpp:331
#9  0x00007fa51ac11efc in start_thread (arg=0x7fa503b57700) at pthread_create.c:304
#10 0x00007fa525b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fa5011f5700 (LWP 1751)):
#0  0x00007fa51a103f3d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa51a104dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa51a105429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa522d6bf3e in QEventDispatcherGlib::processEvents (this=0x21a2d90, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fa522d3fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa522d3fef7 in QEventLoop::exec (this=0x7fa5011f4db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fa522c5727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fa522d22cbf in QInotifyFileSystemWatcherEngine::run (this=0x2b35140) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fa522c59d05 in QThreadPrivate::start (arg=0x2b35140) at thread/qthread_unix.cpp:331
#9  0x00007fa51ac11efc in start_thread (arg=0x7fa5011f5700) at pthread_create.c:304
#10 0x00007fa525b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fa4f7375700 (LWP 1759)):
#0  0x00007fa51ac151fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7fa4fc014dc8) at pthread_mutex_unlock.c:290
#2  0x00007fa51a103687 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa51a104d81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa51a105792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa4f7e53516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fa51a12a2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fa51ac11efc in start_thread (arg=0x7fa4f7375700) at pthread_create.c:304
#8  0x00007fa525b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fa4f69b8700 (LWP 2021)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa522c5a1ab in wait (time=18446744073709551615, this=0x2a414b0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2a0dbf0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fa51ea54864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2a6ede0, th=0x3810150) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fa51ea56e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2a0dbb0, th=0x3810150) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fa51ea55ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fa4f69b7e00, parent=0x2a6ede0, th=0x3810150) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fa51ea55d5b in ThreadWeaver::Thread::run (this=0x3810150) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fa522c59d05 in QThreadPrivate::start (arg=0x3810150) at thread/qthread_unix.cpp:331
#8  0x00007fa51ac11efc in start_thread (arg=0x7fa4f69b8700) at pthread_create.c:304
#9  0x00007fa525b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fa4f9ba9700 (LWP 2022)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa522c5a1ab in wait (time=18446744073709551615, this=0x2a414b0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2a0dbf0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fa51ea54864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2a6ede0, th=0x369e670) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fa51ea56e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2a0dbb0, th=0x369e670) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fa51ea55ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fa4f9ba8e00, parent=0x2a6ede0, th=0x369e670) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fa51ea55d5b in ThreadWeaver::Thread::run (this=0x369e670) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fa522c59d05 in QThreadPrivate::start (arg=0x369e670) at thread/qthread_unix.cpp:331
#8  0x00007fa51ac11efc in start_thread (arg=0x7fa4f9ba9700) at pthread_create.c:304
#9  0x00007fa525b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fa4f7b76700 (LWP 2023)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa522c5a1ab in wait (time=18446744073709551615, this=0x2a414b0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2a0dbf0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fa51ea54864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2a6ede0, th=0x36887b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fa51ea56e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2a0dbb0, th=0x36887b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fa51ea55ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fa4f7b75e00, parent=0x2a6ede0, th=0x36887b0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fa51ea55d5b in ThreadWeaver::Thread::run (this=0x36887b0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fa522c59d05 in QThreadPrivate::start (arg=0x36887b0) at thread/qthread_unix.cpp:331
#8  0x00007fa51ac11efc in start_thread (arg=0x7fa4f7b76700) at pthread_create.c:304
#9  0x00007fa525b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa4f40dd700 (LWP 2024)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fa522c5a1ab in wait (time=18446744073709551615, this=0x2a414b0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2a0dbf0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fa51ea54864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2a6ede0, th=0x3671b20) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fa51ea56e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2a0dbb0, th=0x3671b20) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fa51ea55ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fa4f40dce00, parent=0x2a6ede0, th=0x3671b20) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fa51ea55d5b in ThreadWeaver::Thread::run (this=0x3671b20) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fa522c59d05 in QThreadPrivate::start (arg=0x3671b20) at thread/qthread_unix.cpp:331
#8  0x00007fa51ac11efc in start_thread (arg=0x7fa4f40dd700) at pthread_create.c:304
#9  0x00007fa525b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa5262997a0 (LWP 1749)):
[KCrash Handler]
#6  0x000000000217c448 in ?? ()
#7  0x00007fa50c56ea96 in TaskGroupItem::~TaskGroupItem (this=0x3d2abf0, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007fa50c56eb49 in TaskGroupItem::~TaskGroupItem (this=0x3d2abf0, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007fa522d57a88 in QObject::event (this=0x3d2abf0, e=<optimized out>) at kernel/qobject.cpp:1200
#10 0x00007fa52270f89b in QGraphicsWidget::event (this=0x3d2abf0, event=0x373cf50) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007fa5220f1424 in notify_helper (e=0x373cf50, receiver=0x3d2abf0, this=0x1fd70f0) at kernel/qapplication.cpp:4486
#12 QApplicationPrivate::notify_helper (this=0x1fd70f0, receiver=0x3d2abf0, e=0x373cf50) at kernel/qapplication.cpp:4458
#13 0x00007fa5220f6291 in QApplication::notify (this=0x1fc95e0, receiver=0x3d2abf0, e=0x373cf50) at kernel/qapplication.cpp:4365
#14 0x00007fa5239ef1e6 in KApplication::notify (this=0x1fc95e0, receiver=0x3d2abf0, event=0x373cf50) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007fa522d40afc in QCoreApplication::notifyInternal (this=0x1fc95e0, receiver=0x3d2abf0, event=0x373cf50) at kernel/qcoreapplication.cpp:787
#16 0x00007fa522d4451f in sendEvent (event=0x373cf50, receiver=0x3d2abf0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x1f62430) at kernel/qcoreapplication.cpp:1428
#18 0x00007fa522d447c4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007fa525e821a3 in kdemain (argc=1, argv=0x7ffff02d5738) at ../../../../plasma/desktop/shell/main.cpp:120
#20 0x00007fa525ac330d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7ffff02d5738, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff02d5728) at libc-start.c:226
#21 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 275286.

Possible duplicates by query: bug 283724, bug 283669, bug 283542, bug 283533, bug 283472.

Reported using DrKonqi