Bug 309407

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- Unusual behavior I noticed: kdeinit crashed. Now plasma crashes on startup.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f301b3f7780 (LWP 11352))]

Thread 9 (Thread 0x7f2ff58e7700 (LWP 11353)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3014994cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f3014994d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f300efbfe9a in start_thread (arg=0x7f2ff58e7700) at pthread_create.c:308
#4  0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f2ff3597700 (LWP 11354)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3015e09b2d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f3015e09c39 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f300efbfe9a in start_thread (arg=0x7f2ff3597700) at pthread_create.c:308
#4  0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f2ff2c96700 (LWP 11355)):
#0  0x00007f301acd0303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f300e8b7d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f300e8b7ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f301794ec16 in QEventDispatcherGlib::processEvents (this=0x7f2fec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f301791f2bf in QEventLoop::processEvents (this=this@entry=0x7f2ff2c95e00, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f301791f548 in QEventLoop::exec (this=0x7f2ff2c95e00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f3017820b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f3017823aec in QThreadPrivate::start (arg=0x3b82550) at thread/qthread_unix.cpp:338
#8  0x00007f300efbfe9a in start_thread (arg=0x7f2ff2c96700) at pthread_create.c:308
#9  0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f2ff1e0f700 (LWP 11356)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f301782404b in wait (time=18446744073709551615, this=0x29bbd00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c14e60, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f3015b58939 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#4  0x00007f3015b58a96 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#5  0x00007f3015e1649b in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#6  0x00007f3017823aec in QThreadPrivate::start (arg=0x29c30a0) at thread/qthread_unix.cpp:338
#7  0x00007f300efbfe9a in start_thread (arg=0x7f2ff1e0f700) at pthread_create.c:308
#8  0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f2f9d107700 (LWP 11359)):
#0  __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:66
#1  __pthread_mutex_unlock (mutex=0x7f2f98000a60) at pthread_mutex_unlock.c:290
#2  0x00007f300e8f4c61 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f300e8b7eae in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f301794ec16 in QEventDispatcherGlib::processEvents (this=0x7f2f980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f301791f2bf in QEventLoop::processEvents (this=this@entry=0x7f2f9d106dd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f301791f548 in QEventLoop::exec (this=0x7f2f9d106dd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f3017820b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f30178ff9af in QInotifyFileSystemWatcherEngine::run (this=0x3f9f1d0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f3017823aec in QThreadPrivate::start (arg=0x3f9f1d0) at thread/qthread_unix.cpp:338
#10 0x00007f300efbfe9a in start_thread (arg=0x7f2f9d107700) at pthread_create.c:308
#11 0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f2f95f67700 (LWP 11360)):
#0  0x00007f300efc1f69 in __pthread_mutex_lock (mutex=0x7f2f90000a60) at pthread_mutex_lock.c:92
#1  0x00007f300e8f4c31 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f300e8b7d3d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f300e8b7ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f301794ec16 in QEventDispatcherGlib::processEvents (this=0x7f2f900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f301791f2bf in QEventLoop::processEvents (this=this@entry=0x7f2f95f66dd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f301791f548 in QEventLoop::exec (this=0x7f2f95f66dd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f3017820b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f30178ff9af in QInotifyFileSystemWatcherEngine::run (this=0x4505200) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f3017823aec in QThreadPrivate::start (arg=0x4505200) at thread/qthread_unix.cpp:338
#10 0x00007f300efbfe9a in start_thread (arg=0x7f2f95f67700) at pthread_create.c:308
#11 0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f2fa284f700 (LWP 11414)):
#0  0x00007fff6f400607 in ?? ()
#1  0x00007fff6f40089c in clock_gettime ()
#2  0x00007f30107cc15d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#3  0x00007f30178799c4 in do_gettime (frac=0x7f2fa284eb58, sec=0x7f2fa284eb50) at tools/qelapsedtimer_unix.cpp:123
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#5  0x00007f301794f41d in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f2f78002660) at kernel/qeventdispatcher_unix.cpp:343
#6  0x00007f301794f763 in QTimerInfoList::timerWait (this=0x7f2f78002660, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#7  0x00007f301794e2cc in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f2fa284ec44) at kernel/qeventdispatcher_glib.cpp:136
#8  0x00007f301794e375 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#9  0x00007f300e8b7618 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f300e8b7cab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f300e8b7ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f301794ec16 in QEventDispatcherGlib::processEvents (this=0x7f2f780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#13 0x00007f301791f2bf in QEventLoop::processEvents (this=this@entry=0x7f2fa284ee00, flags=...) at kernel/qeventloop.cpp:149
#14 0x00007f301791f548 in QEventLoop::exec (this=0x7f2fa284ee00, flags=...) at kernel/qeventloop.cpp:204
#15 0x00007f3017820b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#16 0x00007f3017823aec in QThreadPrivate::start (arg=0x305fff0) at thread/qthread_unix.cpp:338
#17 0x00007f300efbfe9a in start_thread (arg=0x7f2fa284f700) at pthread_create.c:308
#18 0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2f9ec5d700 (LWP 11523)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f301782404b in wait (time=18446744073709551615, this=0x7474eb0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x72fa8e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f3015e16953 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#4  0x00007f3015d8ce72 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#5  0x00007f3015e1649b in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#6  0x00007f3017823aec in QThreadPrivate::start (arg=0x75d7770) at thread/qthread_unix.cpp:338
#7  0x00007f300efbfe9a in start_thread (arg=0x7f2f9ec5d700) at pthread_create.c:308
#8  0x00007f301acdbcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f301b3f7780 (LWP 11352)):
[KCrash Handler]
#6  0x00007f3019536dd4 in QDeclarativeItem::~QDeclarativeItem (this=0x7f63350, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f2ff484a281 in ~QDeclarativeElement (this=0x7f63350, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x7f63350, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007f3017935468 in QObject::event (this=0x7f63350, e=<optimized out>) at kernel/qobject.cpp:1176
#10 0x00007f3016cc3e9c in QApplicationPrivate::notify_helper (this=this@entry=0x1cf8510, receiver=receiver@entry=0x7f63350, e=e@entry=0x8714900) at kernel/qapplication.cpp:4562
#11 0x00007f3016cc830a in QApplication::notify (this=0x1cd1e70, receiver=0x7f63350, e=0x8714900) at kernel/qapplication.cpp:4423
#12 0x00007f30185e81d6 in KApplication::notify (this=0x1cd1e70, receiver=0x7f63350, event=0x8714900) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f301792056e in QCoreApplication::notifyInternal (this=0x1cd1e70, receiver=receiver@entry=0x7f63350, event=event@entry=0x8714900) at kernel/qcoreapplication.cpp:915
#14 0x00007f30179243f1 in sendEvent (event=0x8714900, receiver=0x7f63350) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1c6f1f0) at kernel/qcoreapplication.cpp:1539
#16 0x00007f301794ea63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 postEventSourceDispatch (s=0x1cfba90) at kernel/qeventdispatcher_glib.cpp:279
#18 0x00007f300e8b7ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f300e8b7de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f300e8b7ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f301794ebf6 in QEventDispatcherGlib::processEvents (this=0x1c70ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f3016d68c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f301791f2bf in QEventLoop::processEvents (this=this@entry=0x7fff6f2c3250, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f301791f548 in QEventLoop::exec (this=0x7fff6f2c3250, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007f3017924708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#26 0x00007f301afe3035 in kdemain (argc=1, argv=0x7fff6f2c3548) at ../../../../plasma/desktop/shell/main.cpp:120
#27 0x00007f301ac0976d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=1, ubp_av=0x7fff6f2c3548, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6f2c3538) at libc-start.c:226
#28 0x00000000004006d1 in _start ()

Possible duplicates by query: bug 309311, bug 309310, bug 309293, bug 309144, bug 308849.

Reported using DrKonqi