Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.90 (KDE 4.3.90 (KDE 4.4 RC1))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

-- Information about the crash:
i have "folder view" "window list" "block session" plasmoids. I think is something especially related to firefox while surfing on facebook.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Spazio di lavoro di Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77be700 (LWP 2033))]

Thread 6 (Thread 0xac4ceb70 (LWP 2034)):
#0  0x007a3422 in __kernel_vsyscall ()
#1  0x00c8be15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00499307 in QWaitConditionPrivate::wait (this=0x9eac520, mutex=0x9eac51c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x9eac520, mutex=0x9eac51c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x01aa2102 in QHostInfoAgent::run (this=0x9eac510) at kernel/qhostinfo.cpp:252
#5  0x004983ae in QThreadPrivate::start (arg=0x9eac510) at thread/qthread_unix.cpp:244
#6  0x00c8780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x008708de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 5 (Thread 0xa88fdb70 (LWP 8896)):
#0  0x007a3422 in __kernel_vsyscall ()
#1  0x00c8be15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00499307 in QWaitConditionPrivate::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x04b658a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9da8da8, th=0x9ca25b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x04b6841c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7ebc8, th=0x9ca25b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x04b6426b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9da8da8, th=0x9ca25b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x04b68512 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7ebc8, th=0x9ca25b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x04b65b23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9da8da8, th=0x9ca25b0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x04b68531 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7ebc8, th=0x9ca25b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#10 0x04b65b23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9da8da8, th=0x9ca25b0, previous=0xa82ebb8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#11 0x04b664fe in ThreadWeaver::ThreadRunHelper::run (this=0xa88fd304, parent=0x9da8da8, th=0x9ca25b0) at ../../../threadweaver/Weaver/Thread.cpp:87
#12 0x04b66b1b in ThreadWeaver::Thread::run (this=0x9ca25b0) at ../../../threadweaver/Weaver/Thread.cpp:142
#13 0x004983ae in QThreadPrivate::start (arg=0x9ca25b0) at thread/qthread_unix.cpp:244
#14 0x00c8780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0x008708de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 4 (Thread 0xa80fcb70 (LWP 8897)):
#0  0x007a3422 in __kernel_vsyscall ()
#1  0x00c8be15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00499307 in QWaitConditionPrivate::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x04b658a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9da8da8, th=0xa79b1e8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x04b6841c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7ebc8, th=0xa79b1e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x04b6426b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9da8da8, th=0xa79b1e8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x04b68512 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7ebc8, th=0xa79b1e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x04b65b23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9da8da8, th=0xa79b1e8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x04b68531 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7ebc8, th=0xa79b1e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#10 0x04b65b23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9da8da8, th=0xa79b1e8, previous=0xa093ab0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#11 0x04b664fe in ThreadWeaver::ThreadRunHelper::run (this=0xa80fc304, parent=0x9da8da8, th=0xa79b1e8) at ../../../threadweaver/Weaver/Thread.cpp:87
#12 0x04b66b1b in ThreadWeaver::Thread::run (this=0xa79b1e8) at ../../../threadweaver/Weaver/Thread.cpp:142
#13 0x004983ae in QThreadPrivate::start (arg=0xa79b1e8) at thread/qthread_unix.cpp:244
#14 0x00c8780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0x008708de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xa78fbb70 (LWP 8898)):
#0  0x007a3422 in __kernel_vsyscall ()
#1  0x00c8be15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00499307 in QWaitConditionPrivate::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x04b658a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9da8da8, th=0x9a2c7d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x04b6841c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7ebc8, th=0x9a2c7d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x04b6426b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9da8da8, th=0x9a2c7d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x04b68512 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7ebc8, th=0x9a2c7d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x04b65b23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9da8da8, th=0x9a2c7d0, previous=0xa79af20) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x04b664fe in ThreadWeaver::ThreadRunHelper::run (this=0xa78fb304, parent=0x9da8da8, th=0x9a2c7d0) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x04b66b1b in ThreadWeaver::Thread::run (this=0x9a2c7d0) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x004983ae in QThreadPrivate::start (arg=0x9a2c7d0) at thread/qthread_unix.cpp:244
#12 0x00c8780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0x008708de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa70fab70 (LWP 8899)):
#0  0x007a3422 in __kernel_vsyscall ()
#1  0x00c8be15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00499307 in QWaitConditionPrivate::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x9da8dc0, mutex=0x9d7e760, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x04b658a0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9da8da8, th=0xa832af8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#5  0x04b6841c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7ebc8, th=0xa832af8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#6  0x04b6426b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9da8da8, th=0xa832af8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#7  0x04b68512 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7ebc8, th=0xa832af8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x04b65b23 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9da8da8, th=0xa832af8, previous=0xa827340) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#9  0x04b664fe in ThreadWeaver::ThreadRunHelper::run (this=0xa70fa304, parent=0x9da8da8, th=0xa832af8) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x04b66b1b in ThreadWeaver::Thread::run (this=0xa832af8) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x004983ae in QThreadPrivate::start (arg=0xa832af8) at thread/qthread_unix.cpp:244
#12 0x00c8780e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0x008708de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77be700 (LWP 2033)):
[KCrash Handler]
#6  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x9a4fc90, item=0xac04cd8, dirtyAncestorContainsChildren=false, parentOpacity=1) at graphicsview/qgraphicsscene.cpp:4895
#7  0x030b7eed in QGraphicsScenePrivate::_q_processDirtyItems (this=0x9a4fc90) at graphicsview/qgraphicsscene.cpp:466
#8  0x030b84f6 in QGraphicsScene::qt_metacall (this=0x9ab4c98, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xaa13c60) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#9  0x0712f20a in Plasma::Corona::qt_metacall (this=0x9ab4c98, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0xaa13c60) at ./corona.moc:107
#10 0x0763ffaa in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#11 0x0059f11a in QMetaObject::metacall (object=0x9ab4c98, cl=QMetaObject::InvokeMetaMethod, idx=18, argv=0x0) at kernel/qmetaobject.cpp:237
#12 0x005a9856 in QMetaCallEvent::placeMetaCall (this=0xacec460, object=0x9ab4c98) at kernel/qobject.cpp:574
#13 0x005aa8ae in QObject::event (this=0x9ab4c98, e=0xacec460) at kernel/qobject.cpp:1260
#14 0x030b41c4 in QGraphicsScene::event (this=0x9ab4c98, event=0xacec460) at graphicsview/qgraphicsscene.cpp:3450
#15 0x02a0f19c in QApplicationPrivate::notify_helper (this=0x99d4478, receiver=0x9ab4c98, e=0xacec460) at kernel/qapplication.cpp:4242
#16 0x02a15df7 in QApplication::notify (this=0x99b6cc8, receiver=0x9ab4c98, e=0xacec460) at kernel/qapplication.cpp:3661
#17 0x010ef67a in KApplication::notify (this=0x99b6cc8, receiver=0x9ab4c98, event=0xacec460) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00599eab in QCoreApplication::notifyInternal (this=0x99b6cc8, receiver=0x9ab4c98, event=0xacec460) at kernel/qcoreapplication.cpp:704
#19 0x0059c8e3 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x996c8a8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x996c8a8) at kernel/qcoreapplication.cpp:1345
#21 0x0059ca4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#22 0x005c60df in QCoreApplication::sendPostedEvents (s=0x99d6520) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#23 postEventSourceDispatch (s=0x99d6520) at kernel/qeventdispatcher_glib.cpp:276
#24 0x083a3e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x083a7730 in ?? () from /lib/libglib-2.0.so.0
#26 0x083a7863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x005c5bd5 in QEventDispatcherGlib::processEvents (this=0x99d3c80, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#28 0x02accb75 in QGuiEventDispatcherGlib::processEvents (this=0x99d3c80, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x005984c9 in QEventLoop::processEvents (this=0xbf837584, flags=) at kernel/qeventloop.cpp:149
#30 0x0059891a in QEventLoop::exec (this=0xbf837584, flags=...) at kernel/qeventloop.cpp:201
#31 0x0059cb0f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#32 0x02a0f237 in QApplication::exec () at kernel/qapplication.cpp:3570
#33 0x07647c7e in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#34 0x0804dff7 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x99ae018 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051429 "0") at ../../kinit/kinit.cpp:706
#35 0x0804ec15 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#36 0x0804f08c in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1391
#37 0x0804fe27 in main (argc=4, argv=0xbf838034, envp=0xbf838048) at ../../kinit/kinit.cpp:1830

Possible duplicates by query: bug 222803, bug 222792, bug 222727, bug 222721, bug 222720.

Reported using DrKonqi