Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Just switching windows 
Happens all the time under different scenarios

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1ef5940 (LWP 3063))]

Thread 11 (Thread 0xab069b70 (LWP 3082)):
#0  0xb302ed10 in __GI_clock_gettime (clock_id=1, tp=0xab069018) at ../sysdeps/unix/clock_gettime.c:116
#1  0xb641a7d5 in do_gettime (frac=0xab069010, sec=0xab069008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb64ed4b6 in QTimerInfoList::updateCurrentTime (this=0x8a31334) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb64ed80a in QTimerInfoList::timerWait (this=0x8a31334, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb64ec053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xab06911c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb64ec0ed in timerSourcePrepare (source=0x8a31300, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2f7388c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2f74637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2f74c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb64ecb37 in QEventDispatcherGlib::processEvents (this=0x8a2f978, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb64bd1dd in QEventLoop::processEvents (this=0xab0692a0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb64bd421 in QEventLoop::exec (this=0xab0692a0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb63c090b in QThread::exec (this=0x8a2c6a0) at thread/qthread.cpp:498
#14 0xb649de2d in QInotifyFileSystemWatcherEngine::run (this=0x8a2c6a0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb63c37b3 in QThreadPrivate::start (arg=0x8a2c6a0) at thread/qthread_unix.cpp:331
#16 0xb308ed31 in start_thread (arg=0xab069b70) at pthread_create.c:304
#17 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 10 (Thread 0xa95b2b70 (LWP 3083)):
#0  0xb308d468 in __i686.get_pc_thunk.bx () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb3090d8f in __pthread_mutex_lock (mutex=0x8b5d16c) at pthread_mutex_lock.c:47
#2  0xb76aef14 in pthread_mutex_lock (mutex=0x8b5d16c) at forward.c:182
#3  0xb2f74c13 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb64ecb37 in QEventDispatcherGlib::processEvents (this=0x8b5d530, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0xb64bd1dd in QEventLoop::processEvents (this=0xa95b22a0, flags=...) at kernel/qeventloop.cpp:149
#6  0xb64bd421 in QEventLoop::exec (this=0xa95b22a0, flags=...) at kernel/qeventloop.cpp:201
#7  0xb63c090b in QThread::exec (this=0x8b5b4e0) at thread/qthread.cpp:498
#8  0xb649de2d in QInotifyFileSystemWatcherEngine::run (this=0x8b5b4e0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0xb63c37b3 in QThreadPrivate::start (arg=0x8b5b4e0) at thread/qthread_unix.cpp:331
#10 0xb308ed31 in start_thread (arg=0xa95b2b70) at pthread_create.c:304
#11 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 9 (Thread 0xa7235b70 (LWP 3495)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0x93d9430) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0x93d9430) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0x93d9430) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x93d9430) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x93d9430, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x93d9430) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x93d9430, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x93d9430) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x93d9430, previous=0x96d0120) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa7235304, parent=0x8a919a0, th=0x93d9430) at ../../../threadweaver/Weaver/Thread.cpp:87
#15 0xb3863bca in ThreadWeaver::Thread::run (this=0x93d9430) at ../../../threadweaver/Weaver/Thread.cpp:142
#16 0xb63c37b3 in QThreadPrivate::start (arg=0x93d9430) at thread/qthread_unix.cpp:331
#17 0xb308ed31 in start_thread (arg=0xa7235b70) at pthread_create.c:304
#18 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 8 (Thread 0xa8d90b70 (LWP 3496)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0x94d2168) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0x94d2168) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0x94d2168) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x94d2168) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x94d2168, previous=0x92f5178) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa8d90304, parent=0x8a919a0, th=0x94d2168) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb3863bca in ThreadWeaver::Thread::run (this=0x94d2168) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb63c37b3 in QThreadPrivate::start (arg=0x94d2168) at thread/qthread_unix.cpp:331
#13 0xb308ed31 in start_thread (arg=0xa8d90b70) at pthread_create.c:304
#14 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 7 (Thread 0xa5ce0b70 (LWP 3497)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0xa6300518) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0xa6300518) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0xa6300518) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0xa6300518) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0xa6300518, previous=0x9718500) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa5ce0304, parent=0x8a919a0, th=0xa6300518) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb3863bca in ThreadWeaver::Thread::run (this=0xa6300518) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb63c37b3 in QThreadPrivate::start (arg=0xa6300518) at thread/qthread_unix.cpp:331
#13 0xb308ed31 in start_thread (arg=0xa5ce0b70) at pthread_create.c:304
#14 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 6 (Thread 0xa54dfb70 (LWP 3498)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0xa63007c8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0xa63007c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0xa63007c8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0xa63007c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0xa63007c8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0xa63007c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0xa63007c8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0xa63007c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0xa63007c8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0xa63007c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0xa63007c8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0xa63007c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#17 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0xa63007c8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#18 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0xa63007c8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#19 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0xa63007c8, previous=0x8eea1f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#20 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa54df304, parent=0x8a919a0, th=0xa63007c8) at ../../../threadweaver/Weaver/Thread.cpp:87
#21 0xb3863bca in ThreadWeaver::Thread::run (this=0xa63007c8) at ../../../threadweaver/Weaver/Thread.cpp:142
#22 0xb63c37b3 in QThreadPrivate::start (arg=0xa63007c8) at thread/qthread_unix.cpp:331
#23 0xb308ed31 in start_thread (arg=0xa54dfb70) at pthread_create.c:304
#24 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 5 (Thread 0xa4cdeb70 (LWP 3499)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0x8eb3bc0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0x8eb3bc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0x8eb3bc0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x8eb3bc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x8eb3bc0, previous=0x935dec0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa4cde304, parent=0x8a919a0, th=0x8eb3bc0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb3863bca in ThreadWeaver::Thread::run (this=0x8eb3bc0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb63c37b3 in QThreadPrivate::start (arg=0x8eb3bc0) at thread/qthread_unix.cpp:331
#13 0xb308ed31 in start_thread (arg=0xa4cdeb70) at pthread_create.c:304
#14 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 4 (Thread 0xa44ddb70 (LWP 3500)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0x9669268) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0x9669268) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0x9669268) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x9669268) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x9669268, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x9669268) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x9669268, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x9669268) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x9669268, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x9669268) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x9669268, previous=0x8692770) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa44dd304, parent=0x8a919a0, th=0x9669268) at ../../../threadweaver/Weaver/Thread.cpp:87
#17 0xb3863bca in ThreadWeaver::Thread::run (this=0x9669268) at ../../../threadweaver/Weaver/Thread.cpp:142
#18 0xb63c37b3 in QThreadPrivate::start (arg=0x9669268) at thread/qthread_unix.cpp:331
#19 0xb308ed31 in start_thread (arg=0xa44ddb70) at pthread_create.c:304
#20 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xa3cdcb70 (LWP 3501)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0x897d578) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0x897d578) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0x897d578) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x897d578) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x897d578, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x897d578) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x897d578, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x897d578) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x897d578, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x897d578) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x897d578, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x897d578) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#17 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x897d578, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#18 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x897d578) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#19 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x897d578, previous=0x90609d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#20 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa3cdc304, parent=0x8a919a0, th=0x897d578) at ../../../threadweaver/Weaver/Thread.cpp:87
#21 0xb3863bca in ThreadWeaver::Thread::run (this=0x897d578) at ../../../threadweaver/Weaver/Thread.cpp:142
#22 0xb63c37b3 in QThreadPrivate::start (arg=0x897d578) at thread/qthread_unix.cpp:331
#23 0xb308ed31 in start_thread (arg=0xa3cdcb70) at pthread_create.c:304
#24 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xa34dbb70 (LWP 3502)):
#0  0xb77ea424 in __kernel_vsyscall ()
#1  0xb3092a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76aecfc in __pthread_cond_wait (cond=0x8a7d8f0, mutex=0x8a7d8d8) at forward.c:139
#3  0xb63c3cc0 in wait (time=4294967295, this=0x8a7d8d8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8a919b8, mutex=0x8a72c30, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0xb3862406 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8a919a0, th=0x9640cc8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb3864ecb in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8a72cb8, th=0x9640cc8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb386203a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8a919a0, th=0x9640cc8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3864fcc in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x9640cc8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x9640cc8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3864fe8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8a72cb8, th=0x9640cc8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb3861f93 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8a919a0, th=0x9640cc8, previous=0x935cad8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb3863b14 in ThreadWeaver::ThreadRunHelper::run (this=0xa34db304, parent=0x8a919a0, th=0x9640cc8) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb3863bca in ThreadWeaver::Thread::run (this=0x9640cc8) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb63c37b3 in QThreadPrivate::start (arg=0x9640cc8) at thread/qthread_unix.cpp:331
#15 0xb308ed31 in start_thread (arg=0xa34dbb70) at pthread_create.c:304
#16 0xb76a10ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb1ef5940 (LWP 3063)):
[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=0x92d3ea8) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0xb096f662 in WindowTaskItem::publishIconGeometry (this=0x9a121f0) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0xb0980688 in AbstractTaskItem::timerEvent (this=0x9a121f0, event=0xbfb7541c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0xb64d6994 in QObject::event (this=0x9a121f0, e=0xbfb7541c) at kernel/qobject.cpp:1181
#13 0xb60a8bd4 in QGraphicsWidget::event (this=0x9a121f0, event=0xbfb7541c) at graphicsview/qgraphicswidget.cpp:1455
#14 0xb59e9d54 in notify_helper (e=0xbfb7541c, receiver=0x9a121f0, this=0x83651a0) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x83651a0, receiver=0x9a121f0, e=0xbfb7541c) at kernel/qapplication.cpp:4458
#16 0xb59ef103 in QApplication::notify (this=0xbfb7541c, receiver=0x9a121f0, e=0xbfb7541c) at kernel/qapplication.cpp:3886
#17 0xb6b23681 in KApplication::notify (this=0x83578f0, receiver=0x9a121f0, event=0xbfb7541c) at ../../kdeui/kernel/kapplication.cpp:311
#18 0xb64be19e in QCoreApplication::notifyInternal (this=0x83578f0, receiver=0x9a121f0, event=0xbfb7541c) at kernel/qcoreapplication.cpp:787
#19 0xb64eec10 in sendEvent (event=0xbfb7541c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x8368234) at kernel/qeventdispatcher_unix.cpp:603
#21 0xb64ec155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=0x8368268) at kernel/qeventdispatcher_glib.cpp:231
#23 0xb2f7425f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb2f74990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb2f74c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb64ecada in QEventDispatcherGlib::processEvents (this=0x8318230, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0xb5aa1e3a in QGuiEventDispatcherGlib::processEvents (this=0x8318230, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0xb64bd1dd in QEventLoop::processEvents (this=0xbfb75694, flags=...) at kernel/qeventloop.cpp:149
#29 0xb64bd421 in QEventLoop::exec (this=0xbfb75694, flags=...) at kernel/qeventloop.cpp:201
#30 0xb64c219d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0xb59e78f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#32 0xb779f18b in kdemain (argc=1, argv=0xbfb75894) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x0804850b in main (argc=1, argv=0xbfb75894) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 272495.

Possible duplicates by query: bug 290505, bug 290499, bug 290453, bug 290449, bug 290427.

Reported using DrKonqi