Bug 329462

Application: plasma-desktop (4.11.3)
KDE Platform Version: 4.12.0
Qt Version: 4.8.2
Operating System: Linux 3.2.0-57-generic-pae i686
Distribution: Ubuntu 12.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:

Plasma desktop crash while clicking on 'add widgets'. eight out of ten times desk top get crash. Also there is no sound when the system get loaded.Desktop version : KDE 4.11.3

The crash can be reproduced sometimes.

-- 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 0xb1a7b740 (LWP 1802))]

Thread 5 (Thread 0xae56db40 (LWP 1803)):
#0  0xb77a6424 in __kernel_vsyscall ()
#1  0xb282396b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76644bc in __pthread_cond_wait (cond=0xb395e890, mutex=0xb395e878) at forward.c:139
#3  0xb385a029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb385a06f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb281fd4c in start_thread (arg=0xae56db40) at pthread_create.c:308
#6  0xb7656bae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa7024b40 (LWP 1804)):
#0  0xb27570fb in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb27573e8 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2717c1e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb27180e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27181c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb602cde7 in QEventDispatcherGlib::processEvents (this=0xa6700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5ff86ad in QEventLoop::processEvents (this=0xa7024240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5ff8949 in QEventLoop::exec (this=0xa7024240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5ee1a1c in QThread::exec (this=0x8ec04d0) at thread/qthread.cpp:501
#9  0xb5fd5cfd in QInotifyFileSystemWatcherEngine::run (this=0x8ec04d0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5ee4eb0 in QThreadPrivate::start (arg=0x8ec04d0) at thread/qthread_unix.cpp:307
#11 0xb281fd4c in start_thread (arg=0xa7024b40) at pthread_create.c:308
#12 0xb7656bae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa5bffb40 (LWP 1820)):
#0  __pthread_mutex_lock (mutex=0xa5c08438) at pthread_mutex_lock.c:64
#1  0xb76646d4 in pthread_mutex_lock (mutex=0xa5c08438) at forward.c:182
#2  0xb27573f0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2717189 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2717f18 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb271852b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xa662a4aa in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#7  0xb273b673 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb281fd4c in start_thread (arg=0xa5bffb40) at pthread_create.c:308
#9  0xb7656bae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa41bdb40 (LWP 1824)):
#0  0xb77a6424 in __kernel_vsyscall ()
#1  0xb7648460 in __GI___poll (fds=0xa52053e8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb2725a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb271806e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27181c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb602cde7 in QEventDispatcherGlib::processEvents (this=0xa5202b10, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5ff86ad in QEventLoop::processEvents (this=0xa41bd240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5ff8949 in QEventLoop::exec (this=0xa41bd240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5ee1a1c in QThread::exec (this=0x9102870) at thread/qthread.cpp:501
#9  0xb5fd5cfd in QInotifyFileSystemWatcherEngine::run (this=0x9102870) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5ee4eb0 in QThreadPrivate::start (arg=0x9102870) at thread/qthread_unix.cpp:307
#11 0xb281fd4c in start_thread (arg=0xa41bdb40) at pthread_create.c:308
#12 0xb7656bae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb1a7b740 (LWP 1802)):
[KCrash Handler]
#7  0xb6bdf07e in QDeclarativeItem::~QDeclarativeItem (this=0xaac5128, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0xaedc1980 in Plasma::FrameSvgItem::~FrameSvgItem (this=0xaac5128, __in_chrg=<optimized out>) at ../../../../plasma/declarativeimports/core/framesvgitem.cpp:73
#9  0xaedaddb0 in ~QDeclarativeElement (this=0xaac5128, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#10 QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0xaac5128, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#11 0xb600e203 in qDeleteInEventHandler (o=0xaac5128) at kernel/qobject.cpp:4277
#12 0xb60151a8 in QObject::event (this=0xaac5128, e=0x9c69980) at kernel/qobject.cpp:1176
#13 0xb6bd8ae2 in QDeclarativeItem::event (this=0xaac5128, ev=0x9c69980) at graphicsitems/qdeclarativeitem.cpp:3746
#14 0xb54e3df4 in notify_helper (e=0x9c69980, receiver=0xaac5128, this=0x85c8320) at kernel/qapplication.cpp:4556
#15 QApplicationPrivate::notify_helper (this=0x85c8320, receiver=0xaac5128, e=0x9c69980) at kernel/qapplication.cpp:4528
#16 0xb54e915d in QApplication::notify (this=0x9c69980, receiver=0xaac5128, e=0x9c69980) at kernel/qapplication.cpp:4285
#17 0xb669e161 in KApplication::notify (this=0x85b92b8, receiver=0xaac5128, event=0x9c69980) at ../../kdeui/kernel/kapplication.cpp:311
#18 0xb5ff9e0e in QCoreApplication::notifyInternal (this=0x85b92b8, receiver=0xaac5128, event=0x9c69980) at kernel/qcoreapplication.cpp:915
#19 0xb5ffdf68 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8579130) at kernel/qcoreapplication.cpp:1539
#21 0xb5ffe29c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1432
#22 0xb602c994 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#23 postEventSourceDispatch (s=0x85c8278) at kernel/qeventdispatcher_glib.cpp:279
#24 0xb2717d46 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb27180e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb27181c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0xb602cd87 in QEventDispatcherGlib::processEvents (this=0x8579ec0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0xb559ca1a in QGuiEventDispatcherGlib::processEvents (this=0x8579ec0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0xb5ff86ad in QEventLoop::processEvents (this=0xbf929ce4, flags=...) at kernel/qeventloop.cpp:149
#30 0xb5ff8949 in QEventLoop::exec (this=0xbf929ce4, flags=...) at kernel/qeventloop.cpp:204
#31 0xb5ffe34a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#32 0xb54e19c4 in QApplication::exec () at kernel/qapplication.cpp:3817
#33 0xb775ed39 in kdemain (argc=1, argv=0xbf929ee4) at ../../../../plasma/desktop/shell/main.cpp:126
#34 0x0804850b in main (argc=1, argv=0xbf929ee4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 328756, bug 327526, bug 327130, bug 326636, bug 326372.

Reported using DrKonqi