Bug 309417

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic i686
Distribution: Ubuntu 12.10

-- Information about the crash:
I was cusstomizing my taskmanager, to be manually organized. Then i've applied and tried to change some task from position e Bam! Crash.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1d48740 (LWP 1844))]

Thread 9 (Thread 0xa9b72b40 (LWP 1845)):
#0  0xb2b5bcb3 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb7686864 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2a8fc80 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2a4e0a2 in g_main_context_release () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2a4eca8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2a4ee61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb614099f in QEventDispatcherGlib::processEvents (this=0xa9200468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb610d26c in QEventLoop::processEvents (this=this@entry=0xa9b72228, flags=...) at kernel/qeventloop.cpp:149
#8  0xb610d561 in QEventLoop::exec (this=0xa9b72228, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5ff866c in QThread::exec (this=0xa74c4d0) at thread/qthread.cpp:501
#10 0xb60eb7bd in QInotifyFileSystemWatcherEngine::run (this=0xa74c4d0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb5ffba58 in QThreadPrivate::start (arg=0xa74c4d0) at thread/qthread_unix.cpp:338
#12 0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 8 (Thread 0xa9075b40 (LWP 1846)):
#0  0xb7686830 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#1  0xb2a8fc80 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2a4e7cd in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2a4ec92 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2a4ee61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb614099f in QEventDispatcherGlib::processEvents (this=0xa8700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb610d26c in QEventLoop::processEvents (this=this@entry=0xa9075228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb610d561 in QEventLoop::exec (this=0xa9075228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5ff866c in QThread::exec (this=0xa7ddc70) at thread/qthread.cpp:501
#9  0xb60eb7bd in QInotifyFileSystemWatcherEngine::run (this=0xa7ddc70) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5ffba58 in QThreadPrivate::start (arg=0xa7ddc70) at thread/qthread_unix.cpp:338
#11 0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xa8612b40 (LWP 1847)):
#0  0xb77bf424 in __kernel_vsyscall ()
#1  0xb2b5d96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb768664c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb3b8e1cd in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3b8e1ff in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xa6e5db40 (LWP 1849)):
#0  0xb77bf424 in __kernel_vsyscall ()
#1  0xb76683eb in read () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2a8ef5e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2a4e83b in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2a4ec92 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2a4f1db in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xa7731aba in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#7  0xb2a74303 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xa4bb0b40 (LWP 5203)):
#0  0xb77bf424 in __kernel_vsyscall ()
#1  0xb2b5d96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb768664c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5ffc030 in wait (time=4294967295, this=0xa7e0918) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa79de30, mutex=0xa77dd00, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb381eb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa79de18, th=0xb608718) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb382196b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa77e530, th=0xb608718) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb381e6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa79de18, th=0xb608718) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3821ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb608718) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb608718, previous=0xbfc6338) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3820524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa4bb0284, parent=0xa79de18, th=th@entry=0xb608718) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb38205da in ThreadWeaver::Thread::run (this=0xb608718) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5ffba58 in QThreadPrivate::start (arg=0xb608718) at thread/qthread_unix.cpp:338
#13 0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xa765eb40 (LWP 5204)):
#0  0xb77bf424 in __kernel_vsyscall ()
#1  0xb2b5d96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb768664c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5ffc030 in wait (time=4294967295, this=0xa7e0918) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa79de30, mutex=0xa77dd00, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb381eb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa79de18, th=0xaded8b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb382196b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa77e530, th=0xaded8b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb381e6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa79de18, th=0xaded8b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3821ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xaded8b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xaded8b0, previous=0xbf70238) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3820524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa765e284, parent=0xa79de18, th=th@entry=0xaded8b0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb38205da in ThreadWeaver::Thread::run (this=0xaded8b0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5ffba58 in QThreadPrivate::start (arg=0xaded8b0) at thread/qthread_unix.cpp:338
#13 0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa39e5b40 (LWP 5205)):
#0  0xb77bf424 in __kernel_vsyscall ()
#1  0xb2b5d96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb768664c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5ffc030 in wait (time=4294967295, this=0xa7e0918) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa79de30, mutex=0xa77dd00, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb381eb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa79de18, th=0xb5e5b00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb382196b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa77e530, th=0xb5e5b00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb381e6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa79de18, th=0xb5e5b00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3821ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb5e5b00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb5e5b00, previous=0xc951248) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3820524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa39e5284, parent=0xa79de18, th=th@entry=0xb5e5b00) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb38205da in ThreadWeaver::Thread::run (this=0xb5e5b00) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5ffba58 in QThreadPrivate::start (arg=0xb5e5b00) at thread/qthread_unix.cpp:338
#13 0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa31e4b40 (LWP 5206)):
#0  0xb77bf424 in __kernel_vsyscall ()
#1  0xb2b5d96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb768664c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb5ffc030 in wait (time=4294967295, this=0xa7e0918) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa79de30, mutex=0xa77dd00, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb381eb45 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa79de18, th=0xb0a51c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb382196b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa77e530, th=0xb0a51c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb381e6aa in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa79de18, th=0xb0a51c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb3821ac4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb0a51c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb0a51c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb3821ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb0a51c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb0a51c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb3821ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb0a51c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb0a51c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb3821ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb0a51c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb0a51c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0xb3821ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb0a51c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#17 0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb0a51c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#18 0xb3821ae0 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa77e530, th=0xb0a51c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#19 0xb381e5a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa79de18, th=0xb0a51c0, previous=0xbca1008) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#20 0xb3820524 in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0xa31e4284, parent=0xa79de18, th=th@entry=0xb0a51c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#21 0xb38205da in ThreadWeaver::Thread::run (this=0xb0a51c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#22 0xb5ffba58 in QThreadPrivate::start (arg=0xb0a51c0) at thread/qthread_unix.cpp:338
#23 0xb2b59d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#24 0xb7678d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1d48740 (LWP 1844)):
[KCrash Handler]
#7  QCoreApplication::postEvent (receiver=receiver@entry=0xcbf45e8, event=event@entry=0xa3ee0f0, priority=priority@entry=0) at kernel/qcoreapplication.cpp:1312
#8  0xb611254b in QCoreApplication::postEvent (receiver=0xcbf45e8, event=0xa3ee0f0) at kernel/qcoreapplication.cpp:1273
#9  0xb6121a58 in QObject::deleteLater (this=0xcbf45e8) at kernel/qobject.cpp:2084
#10 0xb56992cd in QX11Data::xdndHandleFinished (this=0xa09fb00, xe=0xbfc4570c, passive=false) at kernel/qdnd_x11.cpp:1256
#11 0xb568b4fb in QApplication::x11ClientMessage (this=0xa091840, w=0xae01688, event=0xbfc4570c, passive_only=false) at kernel/qapplication_x11.cpp:3247
#12 0xb568972a in QApplication::x11ProcessEvent (this=0xa091840, event=0xbfc4570c) at kernel/qapplication_x11.cpp:3876
#13 0xb56b4dc4 in x11EventSourceDispatch (s=0xa096ee0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#14 0xb2a4e9e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#15 0xb2a4ed80 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#16 0xb2a4ee61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#17 0xb6140981 in QEventDispatcherGlib::processEvents (this=0xa042eb8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#18 0xb56b49aa in QGuiEventDispatcherGlib::processEvents (this=0xa042eb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#19 0xb610d26c in QEventLoop::processEvents (this=this@entry=0xbfc45a08, flags=...) at kernel/qeventloop.cpp:149
#20 0xb610d561 in QEventLoop::exec (this=0xbfc45a08, flags=...) at kernel/qeventloop.cpp:204
#21 0xb6112cba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#22 0xb55fbfc4 in QApplication::exec () at kernel/qapplication.cpp:3823
#23 0xb777d063 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#24 0x0804855b in ?? ()
#25 0xb75a34d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#26 0x08048581 in _start ()

Possible duplicates by query: bug 309029, bug 307897, bug 307488, bug 304742, bug 296467.

Reported using DrKonqi