Application: plasma-netbook (0.1)
KDE Platform Version: 4.3.90 (KDE 4.3.90 (KDE 4.4 RC1))
Qt Version: 4.6.0
Operating System: Linux 2.6.32-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
Steps to reproduce:
- Use plasma in netbook mode
- Run 2 or more applications
- Click on "X running apps"
- Click on another apps.
- Observe plasma-netbook crash most of the times.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Plasma Netbook (plasma-netbook), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ffbae8d37a0 (LWP 23993))]

Thread 7 (Thread 0x7ffb97cd9710 (LWP 24042)):
#0  0x00000034d640b07c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffbb68c350b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2379c08, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2379c08, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ffbb2d59fec in QHostInfoAgent::run (this=0x2379bf0) at kernel/qhostinfo.cpp:252
#4  0x00007ffbb68c2545 in QThreadPrivate::start (arg=0x2379bf0) at thread/qthread_unix.cpp:244
#5  0x00000034d640681a in start_thread () from /lib/libpthread.so.0
#6  0x00000034cfacec7d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ffb94768710 (LWP 24067)):
#0  0x00000034d640b07c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffbb44d4016 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7ffbb5475f20) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#2  0x00007ffbb44d4059 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7ffbb5483fec) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#3  0x00000034d640681a in start_thread () from /lib/libpthread.so.0
#4  0x00000034cfacec7d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ffb905b3710 (LWP 24151)):
#0  0x00000034d640b07c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffbb68c350b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ffbb3cbcfe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22402a0, th=0x2b9dcb0)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffbb3cbf5db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x2b9dcb0)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffbb3cbf5f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x2b9dcb0)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ffbb3cbdb2f in ThreadWeaver::ThreadRunHelper::run (this=0x7ffb905b2df0, parent=0x22402a0, th=0x2b9dcb0)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:87
#7  0x00007ffbb3cbe098 in ThreadWeaver::Thread::run (this=0x2b9dcb0) at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:142
#8  0x00007ffbb68c2545 in QThreadPrivate::start (arg=0x2b9dcb0) at thread/qthread_unix.cpp:244
#9  0x00000034d640681a in start_thread () from /lib/libpthread.so.0
#10 0x00000034cfacec7d in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ffb8f831710 (LWP 24172)):
#0  0x00000034d640b07c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffbb68c350b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ffbb3cbcfe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22402a0, th=0x2bef120)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffbb3cbf5db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x2bef120)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffbb3cbf5f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x2bef120)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ffbb3cbf5f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x2bef120)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007ffbb3cbdb2f in ThreadWeaver::ThreadRunHelper::run (this=0x7ffb8f830df0, parent=0x22402a0, th=0x2bef120)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:87
#8  0x00007ffbb3cbe098 in ThreadWeaver::Thread::run (this=0x2bef120) at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:142
#9  0x00007ffbb68c2545 in QThreadPrivate::start (arg=0x2bef120) at thread/qthread_unix.cpp:244
#10 0x00000034d640681a in start_thread () from /lib/libpthread.so.0
#11 0x00000034cfacec7d in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ffb8efef710 (LWP 24501)):
#0  0x00000034d640b07c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffbb68c350b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ffbb3cbcfe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22402a0, th=0x32f18e0)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffbb3cbf5db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x32f18e0)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffbb3cbdb2f in ThreadWeaver::ThreadRunHelper::run (this=0x7ffb8efeedf0, parent=0x22402a0, th=0x32f18e0)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:87
#6  0x00007ffbb3cbe098 in ThreadWeaver::Thread::run (this=0x32f18e0) at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:142
#7  0x00007ffbb68c2545 in QThreadPrivate::start (arg=0x32f18e0) at thread/qthread_unix.cpp:244
#8  0x00000034d640681a in start_thread () from /lib/libpthread.so.0
#9  0x00000034cfacec7d in clone () from /lib/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ffb8e76d710 (LWP 24520)):
#0  0x00000034d640b07c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffbb68c350b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2241720, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ffbb3cbcfe6 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22402a0, th=0x3496f30)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffbb3cbf5db in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x3496f30)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffbb3cbf5f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x3496f30)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ffbb3cbf5f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2241090, th=0x3496f30)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007ffbb3cbdb2f in ThreadWeaver::ThreadRunHelper::run (this=0x7ffb8e76cdf0, parent=0x22402a0, th=0x3496f30)
    at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:87
#8  0x00007ffbb3cbe098 in ThreadWeaver::Thread::run (this=0x3496f30) at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/threadweaver/Weaver/Thread.cpp:142
#9  0x00007ffbb68c2545 in QThreadPrivate::start (arg=0x3496f30) at thread/qthread_unix.cpp:244
#10 0x00000034d640681a in start_thread () from /lib/libpthread.so.0
#11 0x00000034cfacec7d in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffbae8d37a0 (LWP 23993)):
[KCrash Handler]
#5  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x1c799b0, item=0x2d2de90, dirtyAncestorContainsChildren=false, parentOpacity=8.256666972292243e-317)
    at graphicsview/qgraphicsscene.cpp:4895
#6  0x00007ffbb639a7cd in QGraphicsScenePrivate::_q_processDirtyItems (this=0x1c799b0) at graphicsview/qgraphicsscene.cpp:466
#7  0x00007ffbb639ae12 in QGraphicsScene::qt_metacall (this=0x1c793e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x25467f0) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#8  0x00007ffbb7fca735 in Plasma::Corona::qt_metacall (this=0x1c799b0, _c=47373968, _id=0, _a=0x0) at /home/mikko/kdemod/testing/kdelibs/src/build/plasma/corona.moc:107
#9  0x00007ffbb839caa0 in NetCorona::qt_metacall (this=0x1c799b0, _c=47373968, _id=0, _a=0x0)
    at /home/mikko/kdemod/testing/kdebase-workspace/src/kdebase-workspace-4.3.90/plasma/netbook/shell/netcorona.moc:69
#10 0x00007ffbb69c4ff9 in QObject::event (this=0x1c793e0, e=0x23a63e0) at kernel/qobject.cpp:1260
#11 0x00007ffbb6396e20 in QGraphicsScene::event (this=0x1c793e0, event=0x23a63e0) at graphicsview/qgraphicsscene.cpp:3450
#12 0x00007ffbb5d7969c in QApplicationPrivate::notify_helper (this=0x1aaec40, receiver=0x1c793e0, e=0x23a63e0) at kernel/qapplication.cpp:4242
#13 0x00007ffbb5d7fcbd in QApplication::notify (this=0x1aadb10, receiver=0x1c793e0, e=0x23a63e0) at kernel/qapplication.cpp:4125
#14 0x00007ffbb7612206 in KApplication::notify (this=0x1aadb10, receiver=0x1c793e0, event=0x23a63e0) at /home/mikko/kdemod/testing/kdelibs/src/kdelibs-4.3.90/kdeui/kernel/kapplication.cpp:302
#15 0x00007ffbb69b53cc in QCoreApplication::notifyInternal (this=0x1aadb10, receiver=0x1c793e0, event=0x23a63e0) at kernel/qcoreapplication.cpp:704
#16 0x00007ffbb69b7b47 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1a5d2f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1a5d2f0) at kernel/qcoreapplication.cpp:1345
#18 0x00007ffbb69dedd3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#19 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#20 0x00000034d2e3926e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x00000034d2e3cc28 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#22 0x00000034d2e3cd50 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0x00007ffbb69de913 in QEventDispatcherGlib::processEvents (this=0x1a5ccd0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#24 0x00007ffbb5e2677e in QGuiEventDispatcherGlib::processEvents (this=0x1c799b0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#25 0x00007ffbb69b3cf2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#26 0x00007ffbb69b40cc in QEventLoop::exec (this=0x7fffda558e60, flags=) at kernel/qeventloop.cpp:201
#27 0x00007ffbb69b7e0b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#28 0x00007ffbb839fae6 in kdemain (argc=<value optimized out>, argv=<value optimized out>)
    at /home/mikko/kdemod/testing/kdebase-workspace/src/kdebase-workspace-4.3.90/plasma/netbook/shell/main.cpp:66
#29 0x00000034cfa1eb6d in __libc_start_main () from /lib/libc.so.6
#30 0x0000000000400629 in _start ()

Possible duplicates by query: bug 221763, bug 221586, bug 221523, bug 221339, bug 221275.

Reported using DrKonqi