Application: plasma-desktop (0.4)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.5-201.fc18.x86_64 x86_64
Distribution: "Fedora release 18 (Spherical Cow)"

-- Information about the crash:
- What I was doing when the application crashed:
I just logged into the system, then shortly the desktop appears and after an half of a second the screen is black and only the KDE Bugreporter appears.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f3d730d8880 (LWP 1393))]

Thread 8 (Thread 0x7f3d60e42700 (LWP 1398)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003da4d868c7 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3da5094660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003da4d868f9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003d86607d15 in start_thread (arg=0x7f3d60e42700) at pthread_create.c:308
#4  0x0000003d85ef248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 7 (Thread 0x7f3cd82fa700 (LWP 1399)):
#0  0x0000003d86609c12 in __GI___pthread_mutex_lock (mutex=0x7f3cd0000a60) at pthread_mutex_lock.c:95
#1  0x0000003d88684da1 in g_mutex_lock (mutex=mutex@entry=0x7f3cd00009a0) at gthread-posix.c:210
#2  0x0000003d88647936 in g_main_context_dispatch (context=context@entry=0x7f3cd00009a0) at gmain.c:3215
#3  0x0000003d88647d88 in g_main_context_iterate (context=context@entry=0x7f3cd00009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#4  0x0000003d88647e44 in g_main_context_iteration (context=0x7f3cd00009a0, may_block=1) at gmain.c:3351
#5  0x0000003d903a6126 in QEventDispatcherGlib::processEvents (this=0x7f3cd00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x0000003d9037680f in QEventLoop::processEvents (this=this@entry=0x7f3cd82f9cd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x0000003d90376a98 in QEventLoop::exec (this=0x7f3cd82f9cd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x0000003d90278980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x0000003d9035703f in QInotifyFileSystemWatcherEngine::run (this=0x397e480) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x0000003d9027b95c in QThreadPrivate::start (arg=0x397e480) at thread/qthread_unix.cpp:338
#11 0x0000003d86607d15 in start_thread (arg=0x7f3cd82fa700) at pthread_create.c:308
#12 0x0000003d85ef248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 6 (Thread 0x7f3cc7fff700 (LWP 1404)):
#0  0x0000003d85ee99ad in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003d88647d24 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f3cc00042e0, timeout=3478543, context=0x7f3cc00009a0) at gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f3cc00009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3285
#3  0x0000003d88647e44 in g_main_context_iteration (context=0x7f3cc00009a0, may_block=1) at gmain.c:3351
#4  0x0000003d903a6126 in QEventDispatcherGlib::processEvents (this=0x7f3cc00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003d9037680f in QEventLoop::processEvents (this=this@entry=0x7f3cc7ffecc0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003d90376a98 in QEventLoop::exec (this=0x7f3cc7ffecc0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003d90278980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f3ccd9e32d5 in KCupsConnection::run() () from /lib64/libkcupslib.so
#9  0x0000003d9027b95c in QThreadPrivate::start (arg=0x4a49c70) at thread/qthread_unix.cpp:338
#10 0x0000003d86607d15 in start_thread (arg=0x7f3cc7fff700) at pthread_create.c:308
#11 0x0000003d85ef248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 5 (Thread 0x7f3cc6b14700 (LWP 1422)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x0000003d9027be17 in wait (time=30000, this=0x4e75940) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c1a258, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003d9026f69f in QThreadPoolThread::run (this=0x3ad11d0) at concurrent/qthreadpool.cpp:141
#4  0x0000003d9027b95c in QThreadPrivate::start (arg=0x3ad11d0) at thread/qthread_unix.cpp:338
#5  0x0000003d86607d15 in start_thread (arg=0x7f3cc6b14700) at pthread_create.c:308
#6  0x0000003d85ef248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 4 (Thread 0x7f3cbffff700 (LWP 1428)):
#0  0x0000003d85ee99ad in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003d88647d24 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f3cb40027c0, timeout=-1, context=0x7f3cb40009a0) at gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f3cb40009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3285
#3  0x0000003d88647e44 in g_main_context_iteration (context=0x7f3cb40009a0, may_block=1) at gmain.c:3351
#4  0x0000003d903a6126 in QEventDispatcherGlib::processEvents (this=0x7f3cb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003d9037680f in QEventLoop::processEvents (this=this@entry=0x7f3cbfffed00, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003d90376a98 in QEventLoop::exec (this=0x7f3cbfffed00, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003d90278980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x0000003d9027b95c in QThreadPrivate::start (arg=0x5c7d6e0) at thread/qthread_unix.cpp:338
#9  0x0000003d86607d15 in start_thread (arg=0x7f3cbffff700) at pthread_create.c:308
#10 0x0000003d85ef248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 3 (Thread 0x7f3cbe3de700 (LWP 1433)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003da96169bd in WTF::TCMalloc_PageHeap::scavengerThread (this=0x3daa001d00 <WTF::pageheap_memory>) at wtf/FastMalloc.cpp:2495
#2  0x0000003da9616ac9 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x0000003d86607d15 in start_thread (arg=0x7f3cbe3de700) at pthread_create.c:308
#4  0x0000003d85ef248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 2 (Thread 0x7f3cbdbdd700 (LWP 1434)):
#0  0x0000003d85ee99ad in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003d88647d24 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f3cac0029c0, timeout=9035, context=0x7f3cac0009a0) at gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f3cac0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3285
#3  0x0000003d88647e44 in g_main_context_iteration (context=0x7f3cac0009a0, may_block=1) at gmain.c:3351
#4  0x0000003d903a6126 in QEventDispatcherGlib::processEvents (this=0x7f3cac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003d9037680f in QEventLoop::processEvents (this=this@entry=0x7f3cbdbdcd00, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003d90376a98 in QEventLoop::exec (this=0x7f3cbdbdcd00, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003d90278980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x0000003d9027b95c in QThreadPrivate::start (arg=0x637fe20) at thread/qthread_unix.cpp:338
#9  0x0000003d86607d15 in start_thread (arg=0x7f3cbdbdd700) at pthread_create.c:308
#10 0x0000003d85ef248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f3d730d8880 (LWP 1393)):
[KCrash Handler]
#6  QNetworkAccessManager::setCookieJar (this=0x6496590, cookieJar=0x64948b0) at access/qnetworkaccessmanager.cpp:567
#7  0x00007f3d612a1a5e in KOAuth::KOAuthWebHelper::authorizeApp (this=0x45acbe0, serviceBaseUrl=..., authorizeUrl=..., pageUrl=...) at /usr/src/debug/kdeplasma-addons-4.10.1/dataengines/microblog/koauthwebhelper.cpp:132
#8  0x00007f3d612a1e44 in qt_static_metacall (_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>, _o=<optimized out>) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/dataengines/microblog/koauthwebhelper.moc:68
#9  KOAuth::KOAuthWebHelper::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/dataengines/microblog/koauthwebhelper.moc:57
#10 0x0000003d9038ceef in QMetaObject::activate (sender=0x363fc70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffe1752620) at kernel/qobject.cpp:3539
#11 0x00007f3d61298ccc in KOAuth::KOAuth::authorizeApp (this=this@entry=0x363fc70, _t1=..., _t2=..., _t3=...) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/dataengines/microblog/koauth.moc:125
#12 0x00007f3d6129be80 in KOAuth::KOAuth::requestTokenFromService (this=this@entry=0x363fc70) at /usr/src/debug/kdeplasma-addons-4.10.1/dataengines/microblog/koauth.cpp:217
#13 0x00007f3d6129c2a0 in KOAuth::KOAuth::authorize (this=0x363fc70, serviceBaseUrl=..., user=..., password=...) at /usr/src/debug/kdeplasma-addons-4.10.1/dataengines/microblog/koauth.cpp:187
#14 0x00007f3d6129c364 in qt_static_metacall (_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>, _o=<optimized out>) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/dataengines/microblog/koauth.moc:75
#15 KOAuth::KOAuth::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/dataengines/microblog/koauth.moc:63
#16 0x0000003d9038ceef in QMetaObject::activate (sender=0x5bf73c0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffe1752950) at kernel/qobject.cpp:3539
#17 0x00007f3d6128775c in TimelineSource::authorize (this=this@entry=0x5bf73c0, _t1=..., _t2=..., _t3=...) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/dataengines/microblog/timelinesource.moc:133
#18 0x00007f3d612877a9 in TimelineSource::startAuthorization (this=0x5bf73c0, user=..., password=...) at /usr/src/debug/kdeplasma-addons-4.10.1/dataengines/microblog/timelinesource.cpp:167
#19 0x00007f3d612913c9 in TimelineService::createJob (this=0x5b8c6e0, operation=..., parameters=...) at /usr/src/debug/kdeplasma-addons-4.10.1/dataengines/microblog/timelineservice.cpp:67
#20 0x0000003dad3cc95d in Plasma::Service::startOperationCall (this=0x5b8c6e0, description=..., parent=0x0) at /usr/src/debug/kdelibs-4.10.1/plasma/service.cpp:238
#21 0x00007f3d636e409a in downloadHistory (this=0x28ba270) at /usr/src/debug/kdeplasma-addons-4.10.1/applets/microblog/microblog.cpp:940
#22 MicroBlog::downloadHistory (this=0x28ba270) at /usr/src/debug/kdeplasma-addons-4.10.1/applets/microblog/microblog.cpp:921
#23 0x00007f3d636e4580 in MicroBlog::readWallet (this=0x28ba270, success=<optimized out>) at /usr/src/debug/kdeplasma-addons-4.10.1/applets/microblog/microblog.cpp:517
#24 0x00007f3d636e7de4 in qt_static_metacall (_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>, _o=<optimized out>) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/applets/microblog/microblog.moc:89
#25 MicroBlog::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kdeplasma-addons-4.10.1/x86_64-redhat-linux-gnu/applets/microblog/microblog.moc:80
#26 0x0000003d9038ceef in QMetaObject::activate (sender=0x5b565d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffe1752e70) at kernel/qobject.cpp:3539
#27 0x0000003d95f53832 in KWallet::Wallet::walletOpened (this=<optimized out>, _t1=true) at /usr/src/debug/kdelibs-4.10.1/x86_64-redhat-linux-gnu/kdeui/kwallet.moc:166
#28 0x0000003d9038ceef in QMetaObject::activate (sender=0x41cd300, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffe1752fc0) at kernel/qobject.cpp:3539
#29 0x0000003d95f8191f in OrgKdeKWalletInterface::walletAsyncOpened (this=<optimized out>, _t1=0, _t2=2004960565) at /usr/src/debug/kdelibs-4.10.1/x86_64-redhat-linux-gnu/kdeui/kwallet_interface.moc:323
#30 0x0000003d95f84056 in OrgKdeKWalletInterface::qt_static_metacall (_o=0x41cd300, _id=<optimized out>, _a=0x7fffe1753830, _c=<optimized out>) at /usr/src/debug/kdelibs-4.10.1/x86_64-redhat-linux-gnu/kdeui/kwallet_interface.moc:161
#31 0x0000003d95f8415b in OrgKdeKWalletInterface::qt_metacall (this=0x41cd300, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffe1753830) at /usr/src/debug/kdelibs-4.10.1/x86_64-redhat-linux-gnu/kdeui/kwallet_interface.moc:286
#32 0x0000003d910230c3 in QDBusConnectionPrivate::deliverCall (this=0x2417620, object=0x41cd300, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:951
#33 0x0000003d9038c3ce in QObject::event (this=0x41cd300, e=<optimized out>) at kernel/qobject.cpp:1194
#34 0x0000003d937ca5cc in QApplicationPrivate::notify_helper (this=this@entry=0x241e7e0, receiver=receiver@entry=0x41cd300, e=e@entry=0x5c1ad30) at kernel/qapplication.cpp:4562
#35 0x0000003d937cea4a in QApplication::notify (this=0x2416bb0, receiver=0x41cd300, e=0x5c1ad30) at kernel/qapplication.cpp:4423
#36 0x0000003d95e473c6 in KApplication::notify (this=0x2416bb0, receiver=0x41cd300, event=0x5c1ad30) at /usr/src/debug/kdelibs-4.10.1/kdeui/kernel/kapplication.cpp:311
#37 0x0000003d90377abe in QCoreApplication::notifyInternal (this=0x2416bb0, receiver=receiver@entry=0x41cd300, event=event@entry=0x5c1ad30) at kernel/qcoreapplication.cpp:946
#38 0x0000003d9037b571 in sendEvent (event=0x5c1ad30, receiver=0x41cd300) at kernel/qcoreapplication.h:231
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x23a1980) at kernel/qcoreapplication.cpp:1570
#40 0x0000003d903a5f73 in sendPostedEvents () at kernel/qcoreapplication.h:236
#41 postEventSourceDispatch (s=s@entry=0x2423910) at kernel/qeventdispatcher_glib.cpp:279
#42 0x0000003d88647a55 in g_main_dispatch (context=0x2423b40) at gmain.c:2715
#43 g_main_context_dispatch (context=context@entry=0x2423b40) at gmain.c:3219
#44 0x0000003d88647d88 in g_main_context_iterate (context=context@entry=0x2423b40, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#45 0x0000003d88647e44 in g_main_context_iteration (context=0x2423b40, may_block=1) at gmain.c:3351
#46 0x0000003d903a6106 in QEventDispatcherGlib::processEvents (this=0x23a32e0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#47 0x0000003d9386a73e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#48 0x0000003d9037680f in QEventLoop::processEvents (this=this@entry=0x7fffe17541b0, flags=...) at kernel/qeventloop.cpp:149
#49 0x0000003d90376a98 in QEventLoop::exec (this=0x7fffe17541b0, flags=...) at kernel/qeventloop.cpp:204
#50 0x0000003d9037b888 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#51 0x0000003d9c23d8d1 in kdemain (argc=1, argv=0x7fffe17544a8) at /usr/src/debug/kde-workspace-4.10.1/plasma/desktop/shell/main.cpp:126
#52 0x0000003d85e21a05 in __libc_start_main (main=0x400940 <main(int, char**)>, argc=1, ubp_av=0x7fffe17544a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe1754498) at libc-start.c:225
#53 0x0000000000400971 in _start ()

This bug may be a duplicate of or related to bug 306234.

Possible duplicates by query: bug 308030, bug 306234.

Reported using DrKonqi