Bug 318440

Application: plasma-desktop (0.4)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.6-203.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
Working in a terminal this time. Happens at random just working with any application as far as I know.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma Desktop Shell (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 0x7f4aa45d6880 (LWP 1766))]

Thread 5 (Thread 0x7f4a942fd700 (LWP 1767)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00000035b81868c7 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x35b8494660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00000035b81868f9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00000035a2e07d15 in start_thread (arg=0x7f4a942fd700) at pthread_create.c:308
#4  0x00000035a26f248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 4 (Thread 0x7f4a0ccbc700 (LWP 1768)):
#0  0x00000035a26e99ad in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000035a4e47d24 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f4a08002a50, timeout=-1, context=0x7f4a080009a0) at gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f4a080009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3285
#3  0x00000035a4e47e44 in g_main_context_iteration (context=0x7f4a080009a0, may_block=1) at gmain.c:3351
#4  0x00000035adba6126 in QEventDispatcherGlib::processEvents (this=0x7f4a080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00000035adb7680f in QEventLoop::processEvents (this=this@entry=0x7f4a0ccbbcd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000035adb76a98 in QEventLoop::exec (this=0x7f4a0ccbbcd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00000035ada78980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00000035b77a3cde in KIO::NameLookUpThread::run (this=0x25383d0) at /usr/src/debug/kdelibs-4.10.1/kio/kio/hostinfo.cpp:226
#9  0x00000035ada7b95c in QThreadPrivate::start (arg=0x25383d0) at thread/qthread_unix.cpp:338
#10 0x00000035a2e07d15 in start_thread (arg=0x7f4a0ccbc700) at pthread_create.c:308
#11 0x00000035a26f248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 3 (Thread 0x7f49ef17e700 (LWP 1777)):
#0  0x00000035a26e99ad in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000035a4e47d24 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f49e8002bb0, timeout=-1, context=0x7f49e80009a0) at gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f49e80009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3285
#3  0x00000035a4e47e44 in g_main_context_iteration (context=0x7f49e80009a0, may_block=1) at gmain.c:3351
#4  0x00000035adba6126 in QEventDispatcherGlib::processEvents (this=0x7f49e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00000035adb7680f in QEventLoop::processEvents (this=this@entry=0x7f49ef17dcd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000035adb76a98 in QEventLoop::exec (this=0x7f49ef17dcd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00000035ada78980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00000035adb5703f in QInotifyFileSystemWatcherEngine::run (this=0x2fa7630) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00000035ada7b95c in QThreadPrivate::start (arg=0x2fa7630) at thread/qthread_unix.cpp:338
#10 0x00000035a2e07d15 in start_thread (arg=0x7f49ef17e700) at pthread_create.c:308
#11 0x00000035a26f248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 2 (Thread 0x7f49d896e700 (LWP 1783)):
#0  0x00000035a2e0e12d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000035a4e840df in read (__nbytes=16, __buf=0x7f49d896dad0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f49e0001d40) at gwakeup.c:212
#3  0x00000035a4e478b4 in g_main_context_check (context=context@entry=0x7f49d40009a0, max_priority=2147483647, fds=fds@entry=0x7f49d40042e0, n_fds=n_fds@entry=1) at gmain.c:3129
#4  0x00000035a4e47cc2 in g_main_context_iterate (context=context@entry=0x7f49d40009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3287
#5  0x00000035a4e47e44 in g_main_context_iteration (context=0x7f49d40009a0, may_block=1) at gmain.c:3351
#6  0x00000035adba6126 in QEventDispatcherGlib::processEvents (this=0x7f49d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00000035adb7680f in QEventLoop::processEvents (this=this@entry=0x7f49d896dcc0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00000035adb76a98 in QEventLoop::exec (this=0x7f49d896dcc0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00000035ada78980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#10 0x00007f49d92762d5 in KCupsConnection::run() () from /lib64/libkcupslib.so
#11 0x00000035ada7b95c in QThreadPrivate::start (arg=0x44dcb90) at thread/qthread_unix.cpp:338
#12 0x00000035a2e07d15 in start_thread (arg=0x7f49d896e700) at pthread_create.c:308
#13 0x00000035a26f248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f4aa45d6880 (LWP 1766)):
[KCrash Handler]
#6  0x00000035adb8b3be in QMetaObject::addGuard (ptr=0x7fffd9c6e250) at kernel/qobject.cpp:400
#7  0x0000003bcd57261e in QPointer (p=..., this=0x7fffd9c6e250) at ../../src/corelib/kernel/qpointer.h:62
#8  takeAt (i=1, this=0x52867c8) at ../../src/corelib/tools/qlist.h:486
#9  QDeclarativeRepeater::itemsRemoved (this=0x5286510, index=1, count=0) at graphicsitems/qdeclarativerepeater.cpp:407
#10 0x00000035adb8ceef in QMetaObject::activate (sender=0x5286db0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd9c6e3d0) at kernel/qobject.cpp:3539
#11 0x0000003bcd6b792f in QDeclarativeVisualModel::itemsRemoved (this=<optimized out>, _t1=1, _t2=1) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:160
#12 0x0000003bcd58954c in QDeclarativeVisualDataModel::_q_itemsRemoved (this=0x5286db0, index=1, count=1) at graphicsitems/qdeclarativevisualitemmodel.cpp:1314
#13 0x0000003bcd6b7f61 in QDeclarativeVisualDataModel::qt_static_metacall (_o=0x7fffd9c6e250, _c=QMetaObject::ReadProperty, _id=29744848, _a=0x1) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:400
#14 0x00000035adb8ceef in QMetaObject::activate (sender=0x4143470, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd9c6e610) at kernel/qobject.cpp:3539
#15 0x0000003bcd6ac3bf in QListModelInterface::itemsRemoved (this=<optimized out>, _t1=1, _t2=1) at .moc/release-shared/moc_qlistmodelinterface_p.cpp:113
#16 0x0000003bcd4f4fef in QDeclarativeListModel::remove (this=0x4143470, index=1) at util/qdeclarativelistmodel.cpp:402
#17 0x0000003bcd6aaf8b in QDeclarativeListModel::qt_static_metacall (_o=0x7fffd9c6e250, _o@entry=0x4143470, _c=QMetaObject::ReadProperty, _c@entry=QMetaObject::InvokeMetaMethod, _id=29744848, _id@entry=2, _a=0x1, _a@entry=0x7fffd9c6e8a0) at .moc/release-shared/moc_qdeclarativelistmodel_p.cpp:75
#18 0x0000003bcd6ab08f in QDeclarativeListModel::qt_metacall (this=0x4143470, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x7fffd9c6e8a0) at .moc/release-shared/moc_qdeclarativelistmodel_p.cpp:122
#19 0x0000003bcd655ba8 in QDeclarativeObjectMethodScriptClass::callMethod (this=this@entry=0x3acc2a0, object=object@entry=0x4143470, index=10, returnType=<optimized out>, argCount=<optimized out>, argTypes=0x7fffd9c6eb60, ctxt=ctxt@entry=0x7f49dad352a8) at qml/qdeclarativeobjectscriptclass.cpp:970
#20 0x0000003bcd657816 in QDeclarativeObjectMethodScriptClass::callPrecise (this=0x3acc2a0, object=0x4143470, data=..., ctxt=0x7f49dad352a8) at qml/qdeclarativeobjectscriptclass.cpp:944
#21 0x0000003bcd65814b in QDeclarativeObjectMethodScriptClass::call (this=<optimized out>, o=<optimized out>, ctxt=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:917
#22 0x00000035b81fcd63 in QScript::DeclarativeObjectDelegate::call (exec=<optimized out>, callee=0x7f49ec061680, thisValue=..., args=...) at bridge/qscriptdeclarativeobject.cpp:154
#23 0x00000035b80f8ef0 in QTJSC::NativeFuncWrapper::operator() (this=0x7fffd9c6ecb0, exec=0x7f49dad352a8, jsobj=0x7f49ec061680, thisValue=..., argList=...) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/CallData.cpp:46
#24 0x00000035b80d60aa in QTJSC::cti_op_call_NotJSFunction (args=0x7fffd9c6ed00) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITStubs.cpp:1780
#25 0x00007f4a13bfaee8 in ?? ()
#26 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 318381, bug 317261, bug 317181, bug 315762, bug 315700.

Reported using DrKonqi