Bug 304397

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.00
Qt Version: 4.8.1
Operating System: Linux 3.5.0-7-generic i686
Distribution: Ubuntu 12.04 LTS

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

I was trying to get new widget when the Plasma crash and restart.

-- Backtrace:
Application: Powłoka pulpitu Plazmy (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1ae2740 (LWP 2322))]

Thread 7 (Thread 0xaccd3b40 (LWP 2323)):
#0  0xb77a6424 in __kernel_vsyscall ()
#1  0xb28e696b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76633dc in __pthread_cond_wait (cond=0xb3a2a890, mutex=0xb3a2a878) at forward.c:139
#3  0xb3926029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb392606f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb28e2d4c in start_thread (arg=0xaccd3b40) at pthread_create.c:308
#6  0xb7655ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xa685fb40 (LWP 2324)):
#0  0xb77a6424 in __kernel_vsyscall ()
#1  0xb764517b in read () at ../sysdeps/unix/syscall-template.S:82
#2  0xb28196ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb27dabd2 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27db042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb27db201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb60f88e7 in QEventDispatcherGlib::processEvents (this=0xa5f00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb60c450d in QEventLoop::processEvents (this=0xa685f240, flags=...) at kernel/qeventloop.cpp:149
#8  0xb60c47a9 in QEventLoop::exec (this=0xa685f240, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5fad94c in QThread::exec (this=0x8ce01b0) at thread/qthread.cpp:501
#10 0xb60a1b5d in QInotifyFileSystemWatcherEngine::run (this=0x8ce01b0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb5fb0de0 in QThreadPrivate::start (arg=0x8ce01b0) at thread/qthread_unix.cpp:298
#12 0xb28e2d4c in start_thread (arg=0xa685fb40) at pthread_create.c:308
#13 0xb7655ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xa5d7ab40 (LWP 2325)):
#0  0xb77a6424 in __kernel_vsyscall ()
#1  0xb7647380 in __GI___poll (fds=0xa5402278, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb27e8a7b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb27db0ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27db201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb60f88e7 in QEventDispatcherGlib::processEvents (this=0xa5400468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb60c450d in QEventLoop::processEvents (this=0xa5d7a240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb60c47a9 in QEventLoop::exec (this=0xa5d7a240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5fad94c in QThread::exec (this=0x8d48310) at thread/qthread.cpp:501
#9  0xb60a1b5d in QInotifyFileSystemWatcherEngine::run (this=0x8d48310) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5fb0de0 in QThreadPrivate::start (arg=0x8d48310) at thread/qthread_unix.cpp:298
#11 0xb28e2d4c in start_thread (arg=0xa5d7ab40) at pthread_create.c:308
#12 0xb7655ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa31deb40 (LWP 2332)):
#0  0xb77a6424 in __kernel_vsyscall ()
#1  0xb764517b in read () at ../sysdeps/unix/syscall-template.S:82
#2  0xb28196ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb27dabd2 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27db042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb27db56b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xa4e901ba in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#7  0xb27fe6b3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb28e2d4c in start_thread (arg=0xa31deb40) at pthread_create.c:308
#9  0xb7655ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0x9c37fb40 (LWP 2342)):
#0  0xb77a6424 in __kernel_vsyscall ()
#1  0xb28e696b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb76633dc in __pthread_cond_wait (cond=0xb5384a30, mutex=0xb5384a18) at forward.c:139
#3  0xb4c53263 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb4c5337f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb28e2d4c in start_thread (arg=0x9c37fb40) at pthread_create.c:308
#6  0xb7655ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0x9ba7eb40 (LWP 2343)):
#0  __pthread_mutex_unlock_usercnt (mutex=0xa5f023c0, decr=1) at pthread_mutex_unlock.c:66
#1  0xb7663634 in pthread_mutex_unlock (mutex=0xa5f023c0) at forward.c:184
#2  0xb281a410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb27da865 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb27dafaf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb27db201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb60f88e7 in QEventDispatcherGlib::processEvents (this=0xa5f022d8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb60c450d in QEventLoop::processEvents (this=0x9ba7e270, flags=...) at kernel/qeventloop.cpp:149
#8  0xb60c47a9 in QEventLoop::exec (this=0x9ba7e270, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5fad94c in QThread::exec (this=0x9306640) at thread/qthread.cpp:501
#10 0xb5fada3b in QThread::run (this=0x9306640) at thread/qthread.cpp:568
#11 0xb5fb0de0 in QThreadPrivate::start (arg=0x9306640) at thread/qthread_unix.cpp:298
#12 0xb28e2d4c in start_thread (arg=0x9ba7eb40) at pthread_create.c:308
#13 0xb7655ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb1ae2740 (LWP 2322)):
[KCrash Handler]
#7  0xb770c470 in main_arena () from /lib/i386-linux-gnu/libc.so.6
#8  0xb6ca3fd1 in QDeclarativeItem::~QDeclarativeItem (this=0xadcb648, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#9  0xabf2ff30 in Plasma::FrameSvgItem::~FrameSvgItem (this=0xadcb648, __in_chrg=<optimized out>) at ../../../../plasma/declarativeimports/core/framesvgitem.cpp:67
#10 0xabf20e50 in ~QDeclarativeElement (this=0xadcb648, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#11 QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0xadcb648, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#12 0xb60d9d03 in qDeleteInEventHandler (o=0xadcb648) at kernel/qobject.cpp:4277
#13 0xb60e0ca8 in QObject::event (this=0xadcb648, e=0xb1ffed8) at kernel/qobject.cpp:1176
#14 0xb6c9da52 in QDeclarativeItem::event (this=0xadcb648, ev=0xb1ffed8) at graphicsitems/qdeclarativeitem.cpp:3743
#15 0xb55afed4 in notify_helper (e=0xb1ffed8, receiver=0xadcb648, this=0x817ff48) at kernel/qapplication.cpp:4559
#16 QApplicationPrivate::notify_helper (this=0x817ff48, receiver=0xadcb648, e=0xb1ffed8) at kernel/qapplication.cpp:4531
#17 0xb55b530d in QApplication::notify (this=0xb1ffed8, receiver=0xadcb648, e=0xb1ffed8) at kernel/qapplication.cpp:4288
#18 0xb6763e41 in KApplication::notify (this=0x81645b8, receiver=0xadcb648, event=0xb1ffed8) at ../../kdeui/kernel/kapplication.cpp:311
#19 0xb60c597e in QCoreApplication::notifyInternal (this=0x81645b8, receiver=0xadcb648, event=0xb1ffed8) at kernel/qcoreapplication.cpp:876
#20 0xb60c9ad8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x811b130) at kernel/qcoreapplication.cpp:1500
#22 0xb60c9e0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#23 0xb60f8494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#24 postEventSourceDispatch (s=0x817bab8) at kernel/qeventdispatcher_glib.cpp:279
#25 0xb27dad86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb27db125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0xb27db201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0xb60f8887 in QEventDispatcherGlib::processEvents (this=0x811be88, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#29 0xb5668aaa in QGuiEventDispatcherGlib::processEvents (this=0x811be88, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0xb60c450d in QEventLoop::processEvents (this=0xbfb69ab4, flags=...) at kernel/qeventloop.cpp:149
#31 0xb60c47a9 in QEventLoop::exec (this=0xbfb69ab4, flags=...) at kernel/qeventloop.cpp:204
#32 0xb60c9eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#33 0xb55ada74 in QApplication::exec () at kernel/qapplication.cpp:3820
#34 0xb7762f1b in kdemain (argc=1, argv=0xbfb69cb4) at ../../../../plasma/desktop/shell/main.cpp:120
#35 0x0804850b in main (argc=1, argv=0xbfb69cb4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 303945.

Possible duplicates by query: bug 303945, bug 303112, bug 302931.

Reported using DrKonqi