Bug 235830

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-3-686 i686
Distribution: Debian GNU/Linux testing (squeeze)

-- Information about the crash:
I was doing literally "nothing", simply reeding an RSS feed in Kontact, hands away from mouse and keyboard, then Plasma crashed.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb3379710 (LWP 4452))]

Thread 3 (Thread 0xa6ef1b70 (LWP 4454)):
[KCrash Handler]
#6  0xb5a7234e in QMetaObject::addGuard (ptr=0xa6eef490) at kernel/qobject.cpp:430
#7  0xb725488c in QPointer (this=0x9b17d60, job=0xa6f0f898) at /usr/include/qt4/QtCore/qpointer.h:60
#8  KIO::SchedulerPrivate::ProtocolInfo::findJobCoSlave (this=0x9b17d60, job=0xa6f0f898) at ../../kio/kio/scheduler.cpp:203
#9  KIO::SchedulerPrivate::cancelJob (this=0x9b17d60, job=0xa6f0f898) at ../../kio/kio/scheduler.cpp:510
#10 0xb7254dda in KIO::Scheduler::cancelJob (job=0xa6f0f898) at ../../kio/kio/scheduler.cpp:357
#11 0xb7198e49 in ~SimpleJob (this=0xa6f0f898, __in_chrg=<value optimized out>) at ../../kio/kio/job.cpp:382
#12 0xb719905d in ~TransferJob (this=0xa6f0f898, __in_chrg=<value optimized out>) at ../../kio/kio/job.cpp:939
#13 0xb5a6ca45 in qDeleteInEventHandler (o=0xb7195df0) at kernel/qobject.cpp:3998
#14 0xb5a6e108 in QObject::event (this=0xa6f0f898, e=0x952c6b8) at kernel/qobject.cpp:1231
#15 0xb5d46bec in QApplicationPrivate::notify_helper (this=0x94dcd00, receiver=0xa6f0f898, e=0xa4a07838) at kernel/qapplication.cpp:4300
#16 0xb5d4d75e in QApplication::notify (this=0x94cc7b0, receiver=0xa6f0f898, e=0xa4a07838) at kernel/qapplication.cpp:3704
#17 0xb6ac57aa in KApplication::notify (this=0x94cc7b0, receiver=0xa6f0f898, event=0xa4a07838) at ../../kdeui/kernel/kapplication.cpp:302
#18 0xb5a5d8eb in QCoreApplication::notifyInternal (this=0x94cc7b0, receiver=0xa6f0f898, event=0xa4a07838) at kernel/qcoreapplication.cpp:704
#19 0xb5a602c3 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9fc8ed8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9fc8ed8) at kernel/qcoreapplication.cpp:1345
#21 0xb5a6042d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#22 0xb5a897ff in QCoreApplication::sendPostedEvents (s=0xa6f00c38) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#23 postEventSourceDispatch (s=0xa6f00c38) at kernel/qeventdispatcher_glib.cpp:276
#24 0xb3f3f2e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0xb3f43000 in ?? () from /lib/libglib-2.0.so.0
#26 0xb3f43198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0xb5a892f5 in QEventDispatcherGlib::processEvents (this=0xa0f6408, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#28 0xb5a5bf09 in QEventLoop::processEvents (this=0xa6eefcf4, flags=) at kernel/qeventloop.cpp:149
#29 0xb5a5c35a in QEventLoop::exec (this=0xa6eefcf4, flags=...) at kernel/qeventloop.cpp:201
#30 0xb723f61b in KIO::NetAccess::enter_loop (this=0xa6eefd94) at ../../kio/kio/netaccess.cpp:502
#31 0xb723fcf6 in KIO::NetAccess::synchronousRunInternal (this=0xa6eefd94, job=0xa4aa0b50, window=0x0, data=0xa6eefe24, finalURL=0x0, metaData=0x0) at ../../kio/kio/netaccess.cpp:487
#32 0xb724055b in KIO::NetAccess::synchronousRun (job=0xa4aa0b50, window=0x0, data=0xa6eefe24, finalURL=0x0, metaData=0x0) at ../../kio/kio/netaccess.cpp:277
#33 0xa7aaf44f in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#34 0xa7ababab in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#35 0xa7abc710 in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#36 0xb595b93e in QThreadPrivate::start (arg=0xa6eefe24) at thread/qthread_unix.cpp:248
#37 0xb4144585 in start_thread (arg=0xa6ef1b70) at pthread_create.c:300
#38 0xb76a129e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa5c13b70 (LWP 4455)):
#0  0xb779b424 in __kernel_vsyscall ()
#1  0xb41483d2 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0xb76ae864 in __pthread_cond_timedwait (cond=0xa5c13218, mutex=0xa5c13248, abstime=0xa5c13290) at forward.c:152
#3  0xb595b241 in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:398
#4  0xb595b383 in QThread::msleep (msecs=50) at thread/qthread_unix.cpp:424
#5  0xa7abc838 in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#6  0xb595b93e in QThreadPrivate::start (arg=0xa6f1b400) at thread/qthread_unix.cpp:248
#7  0xb4144585 in start_thread (arg=0xa5c13b70) at pthread_create.c:300
#8  0xb76a129e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb3379710 (LWP 4452)):
#0  0xb779b424 in __kernel_vsyscall ()
#1  0xb41480a5 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb76ae80d in __pthread_cond_wait (cond=0x952c6e8, mutex=0x952c6d0) at forward.c:139
#3  0xb595aef2 in QMutexPrivate::wait (this=0x952c6b8, timeout=-1) at thread/qmutex_unix.cpp:84
#4  0xb59566a2 in QMutex::lock (this=0x9528ed8) at thread/qmutex.cpp:205
#5  0xb5a72460 in QMutexLocker::relock (ptr=0xa152078) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:120
#6  QMutexLocker (ptr=0xa152078) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:102
#7  QMetaObject::addGuard (ptr=0xa152078) at kernel/qobject.cpp:429
#8  0xb72592d5 in QPointer (this=0x9c4b570, t=...) at /usr/include/qt4/QtCore/qpointer.h:62
#9  QList<QPointer<KIO::Slave> >::node_construct (this=0x9c4b570, t=...) at /usr/include/qt4/QtCore/qlist.h:351
#10 QList<QPointer<KIO::Slave> >::append (this=0x9c4b570, t=...) at /usr/include/qt4/QtCore/qlist.h:472
#11 0xb725749a in KIO::SchedulerPrivate::startJobDirect (this=0x9b17d60) at ../../kio/kio/scheduler.cpp:713
#12 0xb7257a80 in KIO::SchedulerPrivate::startStep (this=0x9b17d60) at ../../kio/kio/scheduler.cpp:526
#13 0xb7257d85 in KIO::Scheduler::qt_metacall (this=0x9b17dd8, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfd4579c) at ./scheduler.moc:108
#14 0xb5a62aea in QMetaObject::metacall (object=0x9b17dd8, cl=128, idx=10, argv=0xbfd4579c) at kernel/qmetaobject.cpp:237
#15 0xb5a710b5 in QMetaObject::activate (sender=0x9b17d64, m=0xb5b70704, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#16 0xb5ac2927 in QTimer::timeout (this=0x9b17d64) at .moc/release-shared/moc_qtimer.cpp:134
#17 0xb5a7933e in QTimer::timerEvent (this=0x9b17d64, e=0xbfd45cd0) at kernel/qtimer.cpp:271
#18 0xb5a6df34 in QObject::event (this=0x9b17d64, e=0x17) at kernel/qobject.cpp:1212
#19 0xb5d46bec in QApplicationPrivate::notify_helper (this=0x94dcd00, receiver=0x9b17d64, e=0xbfd45cd0) at kernel/qapplication.cpp:4300
#20 0xb5d4d75e in QApplication::notify (this=0x94cc7b0, receiver=0x9b17d64, e=0xbfd45cd0) at kernel/qapplication.cpp:3704
#21 0xb6ac57aa in KApplication::notify (this=0x94cc7b0, receiver=0x9b17d64, event=0xbfd45cd0) at ../../kdeui/kernel/kapplication.cpp:302
#22 0xb5a5d8eb in QCoreApplication::notifyInternal (this=0x94cc7b0, receiver=0x9b17d64, event=0xbfd45cd0) at kernel/qcoreapplication.cpp:704
#23 0xb5a8c946 in QCoreApplication::sendEvent (this=0x94dfa74) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QTimerInfoList::activateTimers (this=0x94dfa74) at kernel/qeventdispatcher_unix.cpp:603
#25 0xb5a89637 in timerSourceDispatch (source=0x94dfaa8) at kernel/qeventdispatcher_glib.cpp:184
#26 idleTimerSourceDispatch (source=0x94dfaa8) at kernel/qeventdispatcher_glib.cpp:231
#27 0xb3f3f2e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#28 0xb3f43000 in ?? () from /lib/libglib-2.0.so.0
#29 0xb3f43198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#30 0xb5a892f5 in QEventDispatcherGlib::processEvents (this=0x94b6b98, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#31 0xb5e05255 in QGuiEventDispatcherGlib::processEvents (this=0x94b6b98, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#32 0xb5a5bf09 in QEventLoop::processEvents (this=0xbfd45f94, flags=) at kernel/qeventloop.cpp:149
#33 0xb5a5c35a in QEventLoop::exec (this=0xbfd45f94, flags=...) at kernel/qeventloop.cpp:201
#34 0xb5a604ef in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#35 0xb5d46c87 in QApplication::exec () at kernel/qapplication.cpp:3579
#36 0xb776efae in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#37 0x0804861b in _start ()

This bug may be a duplicate of or related to bug 227010.

Possible duplicates by query: bug 232249, bug 232142, bug 230673, bug 227787, bug 227679.

Reported using DrKonqi