Bug 288635

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 x86_64
Distribution: Ubuntu 11.10

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

Resumed suspended laptop and plasma crashed. Does not crash
everytime. Just once every few suspend->resume cycles. No 
special application are running & etc.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fd1da5947a0 (LWP 2133))]

Thread 8 (Thread 0x7fd1bd710700 (LWP 2135)):
#0  0x00007fd1d9e88773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd1ce412f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd1ce413792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd1be1ee516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fd1ce4382b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd1cef1fefc in start_thread (arg=0x7fd1bd710700) at pthread_create.c:304
#6  0x00007fd1d9e9489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fd1ae5bb700 (LWP 2136)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fd1ae5baad0 in ?? ()
#2  0x00007fff643ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0x7fd1a8235700 (LWP 2154)):
#0  0x00007fd1d9e88773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd1ce412f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd1ce413429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd1d7079f3e in QEventDispatcherGlib::processEvents (this=0x3b97540, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd1d704dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd1d704def7 in QEventLoop::exec (this=0x7fd1a8234de0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd1d6f6527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd1d6f67d05 in QThreadPrivate::start (arg=0x3ac8210) at thread/qthread_unix.cpp:331
#8  0x00007fd1cef1fefc in start_thread (arg=0x7fd1a8235700) at pthread_create.c:304
#9  0x00007fd1d9e9489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fd1a7542700 (LWP 11519)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd1d6f681ab in wait (time=18446744073709551615, this=0x2085ef0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1fd2050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fd1d2d62864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2056dd0, th=0x2450e00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fd1d2d64e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fd4da0, th=0x2450e00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fd1d2d63ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fd1a7541e00, parent=0x2056dd0, th=0x2450e00) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fd1d2d63d5b in ThreadWeaver::Thread::run (this=0x2450e00) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fd1d6f67d05 in QThreadPrivate::start (arg=0x2450e00) at thread/qthread_unix.cpp:331
#8  0x00007fd1cef1fefc in start_thread (arg=0x7fd1a7542700) at pthread_create.c:304
#9  0x00007fd1d9e9489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fd1aacc0700 (LWP 11520)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd1d6f681ab in wait (time=18446744073709551615, this=0x2085ef0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1fd2050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fd1d2d62864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2056dd0, th=0x47a5db0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fd1d2d64e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fd4da0, th=0x47a5db0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fd1d2d63ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fd1aacbfe00, parent=0x2056dd0, th=0x47a5db0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fd1d2d63d5b in ThreadWeaver::Thread::run (this=0x47a5db0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fd1d6f67d05 in QThreadPrivate::start (arg=0x47a5db0) at thread/qthread_unix.cpp:331
#8  0x00007fd1cef1fefc in start_thread (arg=0x7fd1aacc0700) at pthread_create.c:304
#9  0x00007fd1d9e9489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fd1bdf11700 (LWP 11521)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd1d6f681ab in wait (time=18446744073709551615, this=0x2085ef0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1fd2050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fd1d2d62864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2056dd0, th=0x3b91390) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fd1d2d64e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fd4da0, th=0x3b91390) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fd1d2d63ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fd1bdf10e00, parent=0x2056dd0, th=0x3b91390) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fd1d2d63d5b in ThreadWeaver::Thread::run (this=0x3b91390) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fd1d6f67d05 in QThreadPrivate::start (arg=0x3b91390) at thread/qthread_unix.cpp:331
#8  0x00007fd1cef1fefc in start_thread (arg=0x7fd1bdf11700) at pthread_create.c:304
#9  0x00007fd1d9e9489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd19d035700 (LWP 11522)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd1d6f681ab in wait (time=18446744073709551615, this=0x2085ef0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1fd2050, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fd1d2d62864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2056dd0, th=0x7fd1b8008ab0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fd1d2d64e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fd4da0, th=0x7fd1b8008ab0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fd1d2d63ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fd19d034e00, parent=0x2056dd0, th=0x7fd1b8008ab0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fd1d2d63d5b in ThreadWeaver::Thread::run (this=0x7fd1b8008ab0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fd1d6f67d05 in QThreadPrivate::start (arg=0x7fd1b8008ab0) at thread/qthread_unix.cpp:331
#8  0x00007fd1cef1fefc in start_thread (arg=0x7fd19d035700) at pthread_create.c:304
#9  0x00007fd1d9e9489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd1da5947a0 (LWP 2133)):
[KCrash Handler]
#6  operator== (value=0, this=0x14da14d20d) at /usr/include/qt4/QtCore/qbasicatomic.h:70
#7  isNull (this=0x46b9370) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x46b9370) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=<optimized out>) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x00007fd1bf9e2112 in WindowTaskItem::publishIconGeometry (this=0x4664a60) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x00007fd1bf9f0b7c in AbstractTaskItem::timerEvent (this=0x4664a60, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x00007fd1d7065789 in QObject::event (this=0x4664a60, e=<optimized out>) at kernel/qobject.cpp:1181
#13 0x00007fd1d6a1d89b in QGraphicsWidget::event (this=0x4664a60, event=0x7fff643a1720) at graphicsview/qgraphicswidget.cpp:1455
#14 0x00007fd1d63ff424 in notify_helper (e=0x7fff643a1720, receiver=0x4664a60, this=0x129db20) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x129db20, receiver=0x4664a60, e=0x7fff643a1720) at kernel/qapplication.cpp:4458
#16 0x00007fd1d6404291 in QApplication::notify (this=0x128ed00, receiver=0x4664a60, e=0x7fff643a1720) at kernel/qapplication.cpp:4365
#17 0x00007fd1d7cfd126 in KApplication::notify (this=0x128ed00, receiver=0x4664a60, event=0x7fff643a1720) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x00007fd1d704eafc in QCoreApplication::notifyInternal (this=0x128ed00, receiver=0x4664a60, event=0x7fff643a1720) at kernel/qcoreapplication.cpp:787
#19 0x00007fd1d707bd62 in sendEvent (event=0x7fff643a1720, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x12a0970) at kernel/qeventdispatcher_unix.cpp:603
#21 0x00007fd1d7079514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 0x00007fd1ce412a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fd1ce413258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fd1ce413429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fd1d7079ed6 in QEventDispatcherGlib::processEvents (this=0x11f3f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007fd1d64a707e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fd1d704dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fd1d704def7 in QEventLoop::exec (this=0x7fff643a19b0, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007fd1d7052789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007fd1da1931a3 in kdemain (argc=1, argv=0x7fff643a1d98) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007fd1d9dd430d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff643a1d98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff643a1d88) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 288553, bug 288468, bug 288260, bug 288054, bug 287611.

Reported using DrKonqi