Bug 319189

Application: plasma-desktop (0.4)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.0-19-generic i686
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed:
An upgrade was done from 12.10 to 13.04 and the system was restarted

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb118e740 (LWP 1824))]

Thread 6 (Thread 0xae5fbb40 (LWP 1827)):
#0  0xb77c6424 in __kernel_vsyscall ()
#1  0xb204984b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb7681d7c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb30450ed in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb304511f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb2045d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb76743de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xa58ffb40 (LWP 1831)):
#0  0xb2048c25 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb7681fc4 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb1f79d70 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb1f358e1 in g_main_context_release () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1f36678 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb1f36c2b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xa6da7bca in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#7  0xb1f5bfc3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2045d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0xb76743de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xa44ffb40 (LWP 1834)):
#0  0xb2047cc7 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb7681f84 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb1f79d30 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb1f36121 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1f36662 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb1f36831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb6071c3f in QEventDispatcherGlib::processEvents (this=0x9463100, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb603e3ec in QEventLoop::processEvents (this=this@entry=0xa44ff228, flags=...) at kernel/qeventloop.cpp:149
#8  0xb603e6e1 in QEventLoop::exec (this=this@entry=0xa44ff228, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5f29fec in QThread::exec (this=this@entry=0x9464010) at thread/qthread.cpp:542
#10 0xb601df2d in QInotifyFileSystemWatcherEngine::run (this=0x9464010) at io/qfilesystemwatcher_inotify.cpp:256
#11 0xb5f2cb18 in QThreadPrivate::start (arg=0x9464010) at thread/qthread_unix.cpp:338
#12 0xb2045d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb76743de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa3bd1b40 (LWP 1835)):
#0  0xb1f03f53 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb1f79d56 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb1f35fed in g_main_context_query () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb1f3662e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1f36831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb6071c3f in QEventDispatcherGlib::processEvents (this=0xa45020e8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb603e3ec in QEventLoop::processEvents (this=this@entry=0xa3bd1228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb603e6e1 in QEventLoop::exec (this=this@entry=0xa3bd1228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f29fec in QThread::exec (this=this@entry=0x94d3ef0) at thread/qthread.cpp:542
#9  0xb601df2d in QInotifyFileSystemWatcherEngine::run (this=0x94d3ef0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0xb5f2cb18 in QThreadPrivate::start (arg=0x94d3ef0) at thread/qthread_unix.cpp:338
#11 0xb2045d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb76743de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xac744b40 (LWP 1848)):
#0  0xb77c6424 in __kernel_vsyscall ()
#1  0xb76878e2 in clock_gettime () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5f8b0d5 in do_gettime (frac=0xac743f90, sec=0xac743f88) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb607280e in QTimerInfoList::updateCurrentTime (this=this@entry=0xa4f049c4) at kernel/qeventdispatcher_unix.cpp:354
#5  0xb6072b9a in QTimerInfoList::timerWait (this=0xa4f049c4, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#6  0xb6071373 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xac74409c) at kernel/qeventdispatcher_glib.cpp:136
#7  0xb1f35d21 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb1f365cf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb1f36831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb6071c3f in QEventDispatcherGlib::processEvents (this=0xa4f040b8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0xb603e3ec in QEventLoop::processEvents (this=this@entry=0xac744238, flags=...) at kernel/qeventloop.cpp:149
#12 0xb603e6e1 in QEventLoop::exec (this=this@entry=0xac744238, flags=...) at kernel/qeventloop.cpp:204
#13 0xb5f29fec in QThread::exec (this=0x9be2c38) at thread/qthread.cpp:542
#14 0xacdb1402 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#15 0xb5f2cb18 in QThreadPrivate::start (arg=0x9be2c38) at thread/qthread_unix.cpp:338
#16 0xb2045d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb76743de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb118e740 (LWP 1824)):
[KCrash Handler]
#7  0x00080004 in ?? ()
#8  0xb6c0f1c1 in QDeclarativeItem::~QDeclarativeItem (this=0x9e23498, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#9  0xb6bcecd4 in ~QDeclarativeElement (this=0x9e23498, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#10 QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x9e23498, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#11 0xb6053873 in qDeleteInEventHandler (o=o@entry=0x9e23498) at kernel/qobject.cpp:4269
#12 0xb605b4b0 in QObject::event (this=this@entry=0x9e23498, e=e@entry=0x9d3e000) at kernel/qobject.cpp:1175
#13 0xb6c12494 in QDeclarativeItem::event (this=0x9e23498, ev=0x9d3e000) at graphicsitems/qdeclarativeitem.cpp:3748
#14 0xb552dc7c in QApplicationPrivate::notify_helper (this=0x8a3af40, receiver=0x9e23498, e=0x9d3e000) at kernel/qapplication.cpp:4567
#15 0xb5530b94 in QApplication::notify (this=0x9d3e000, receiver=0x9e23498, e=0x9d3e000) at kernel/qapplication.cpp:3949
#16 0xb66d8d01 in KApplication::notify (this=0x8a27560, receiver=0x9e23498, event=0x9d3e000) at ../../kdeui/kernel/kapplication.cpp:311
#17 0xb603f90e in QCoreApplication::notifyInternal (this=0x8a27560, receiver=0x9e23498, event=0x9d3e000) at kernel/qcoreapplication.cpp:946
#18 0xb6043721 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x89e0130) at kernel/qcoreapplication.cpp:1570
#20 0xb6043a8c in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1463
#21 0xb604442d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#22 0xb552bfc4 in QApplication::exec () at kernel/qapplication.cpp:3828
#23 0xb7780e32 in kdemain (argc=1, argv=0xbf87d6a4) at ../../../../plasma/desktop/shell/main.cpp:126
#24 0x0804855b in main (argc=1, argv=0xbf87d6a4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 317212, bug 316830, bug 316547, bug 315561, bug 314924.

Reported using DrKonqi