Bug 264888

Summary: plasma-desktop crashed when removing activity
Product: [Unmaintained] plasma4 Reporter: 20120808_bugs.kde.org
Component: generalAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: asraniel, devghai, parmruss, robby.engelmann, vcgamesii
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi
New crash information added by DrKonqi

Description 20120808_bugs.kde.org 2011-01-30 21:06:20 UTC 
Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.00 (4.6.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-25-generic i686
Distribution: Ubuntu 10.10

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

was playing around with activities in kdesc46; created a few new ones, was viewing one, removed that activity

(did have a weather plasmoid installed, ...)

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7720730 (LWP 2584))]

Thread 5 (Thread 0xaf8c8b70 (LWP 2597)):
#0  0x00d47e36 in clock_gettime () from /lib/librt.so.1
#1  0x01c5d50b in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#3  0x01d346e5 in QTimerInfoList::updateCurrentTime (this=0x99c51ac) at kernel/qeventdispatcher_unix.cpp:339
#4  0x01d3472a in QTimerInfoList::timerWait (this=0x99c51ac, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x01d327a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaf8c809c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x01d3283d in timerSourcePrepare (source=0x0, timeout=0xd4bff4) at kernel/qeventdispatcher_glib.cpp:169
#7  0x08e37e6a in g_main_context_prepare (context=0x99b96d8, priority=0xaf8c811c) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2469
#8  0x08e38279 in g_main_context_iterate (context=0x99b96d8, block=<value optimized out>, dispatch=1, self=0x99b6838) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2760
#9  0x08e38848 in g_main_context_iteration (context=0x99b96d8, may_block=1) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2843
#10 0x01d3259f in QEventDispatcherGlib::processEvents (this=0x99bf7c8, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#11 0x01d02609 in QEventLoop::processEvents (this=0xaf8c8270, flags=) at kernel/qeventloop.cpp:149
#12 0x01d02a8a in QEventLoop::exec (this=0xaf8c8270, flags=...) at kernel/qeventloop.cpp:201
#13 0x01bfeb7e in QThread::exec (this=0x99bedb8) at thread/qthread.cpp:490
#14 0x01ce135b in QInotifyFileSystemWatcherEngine::run (this=0x99bedb8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x01c01df9 in QThreadPrivate::start (arg=0x99bedb8) at thread/qthread_unix.cpp:266
#16 0x0168dcc9 in start_thread () from /lib/libpthread.so.0
#17 0x006a869e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xae169b70 (LWP 2599)):
#0  0x007b5416 in __kernel_vsyscall ()
#1  0x00699df6 in poll () from /lib/libc.so.6
#2  0x08e45a1b in g_poll (fds=0x9a86350, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.26.0/glib/gpoll.c:132
#3  0x08e3843c in g_main_context_poll (context=0x99a8d20, block=<value optimized out>, dispatch=1, self=0x9a8a600) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:3093
#4  g_main_context_iterate (context=0x99a8d20, block=<value optimized out>, dispatch=1, self=0x9a8a600) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2775
#5  0x08e38848 in g_main_context_iteration (context=0x99a8d20, may_block=1) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2843
#6  0x01d3259f in QEventDispatcherGlib::processEvents (this=0x932a928, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#7  0x01d02609 in QEventLoop::processEvents (this=0xae169270, flags=) at kernel/qeventloop.cpp:149
#8  0x01d02a8a in QEventLoop::exec (this=0xae169270, flags=...) at kernel/qeventloop.cpp:201
#9  0x01bfeb7e in QThread::exec (this=0x932a890) at thread/qthread.cpp:490
#10 0x01ce135b in QInotifyFileSystemWatcherEngine::run (this=0x932a890) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x01c01df9 in QThreadPrivate::start (arg=0x932a890) at thread/qthread_unix.cpp:266
#12 0x0168dcc9 in start_thread () from /lib/libpthread.so.0
#13 0x006a869e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xad968b70 (LWP 10307)):
#0  0x007b5416 in __kernel_vsyscall ()
#1  0x016924dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x006b5d9d in pthread_cond_wait () from /lib/libc.so.6
#3  0x02b423a5 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x02b42481 in ?? () from /usr/lib/libQtWebKit.so.4
#5  0x0168dcc9 in start_thread () from /lib/libpthread.so.0
#6  0x006a869e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa07a2b70 (LWP 10336)):
#0  0x007b5416 in __kernel_vsyscall ()
#1  0x016924dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x006b5d9d in pthread_cond_wait () from /lib/libc.so.6
#3  0x064ba877 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x65b91a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x064ba8c1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x65b91a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x0168dcc9 in start_thread () from /lib/libpthread.so.0
#6  0x006a869e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7720730 (LWP 2584)):
[KCrash Handler]
#7  data (this=0x0, item=0xae22a20) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135
#8  qGetPtrHelper<QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> > > (this=0x0, item=0xae22a20) at ../../include/QtCore/../../src/corelib/global/qglobal.h:2332
#9  d_func (this=0x0, item=0xae22a20) at graphicsview/qgraphicsscene.h:297
#10 QGraphicsScene::removeItem (this=0x0, item=0xae22a20) at graphicsview/qgraphicsscene.cpp:2948
#11 0x002f62aa in Plasma::TabBar::removeTab (this=0xa4f9858, index=1) at ../../plasma/widgets/tabbar.cpp:457
#12 0x06c3233a in ActivityBar::dataUpdated (this=0x95fd880, source=..., data=...) at ../../../../../plasma/generic/applets/activitybar/activitybar.cpp:337
#13 0x06c325a4 in ActivityBar::qt_metacall (this=0x95fd880, _c=QMetaObject::InvokeMetaMethod, _id=70, _a=0xbfc81b54) at ./activitybar.moc:101
#14 0x01d098ca in QMetaObject::metacall (object=0x95fd880, cl=182594080, idx=70, argv=0xbfc81b54) at kernel/qmetaobject.cpp:237
#15 0x01d1c6ad in QMetaObject::activate (sender=0x94d30a8, m=0x3bfae4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3280
#16 0x001f1d69 in Plasma::DataContainer::dataUpdated (this=0x94d30a8, _t1=..., _t2=...) at ./datacontainer.moc:112
#17 0x001f253b in Plasma::DataContainer::checkForUpdate (this=0x94d30a8) at ../../plasma/datacontainer.cpp:327
#18 0x001f82d6 in Plasma::DataEngine::timerEvent (this=0x978e3c0, event=0xbfc82140) at ../../plasma/dataengine.cpp:386
#19 0x01d16504 in QObject::event (this=0x978e3c0, e=0x0) at kernel/qobject.cpp:1183
#20 0x036e3fdc in QApplicationPrivate::notify_helper (this=0x927bc48, receiver=0x978e3c0, e=0xbfc82140) at kernel/qapplication.cpp:4396
#21 0x036ea04e in QApplication::notify (this=0x926f218, receiver=0x978e3c0, e=0xbfc82140) at kernel/qapplication.cpp:3798
#22 0x01198f7a in KApplication::notify (this=0x926f218, receiver=0x978e3c0, event=0xbfc82140) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x01d03b3b in QCoreApplication::notifyInternal (this=0x926f218, receiver=0x978e3c0, event=0xbfc82140) at kernel/qcoreapplication.cpp:732
#24 0x01d35ad6 in sendEvent (this=0x927deb4) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QTimerInfoList::activateTimers (this=0x927deb4) at kernel/qeventdispatcher_unix.cpp:602
#26 0x01d32874 in timerSourceDispatch (source=0x927de80) at kernel/qeventdispatcher_glib.cpp:184
#27 0x08e34855 in g_main_dispatch (context=0x927de00) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2149
#28 g_main_context_dispatch (context=0x927de00) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2702
#29 0x08e38668 in g_main_context_iterate (context=0x927de00, block=<value optimized out>, dispatch=1, self=0x927bc20) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2780
#30 0x08e38848 in g_main_context_iteration (context=0x927de00, may_block=1) at /build/buildd/glib2.0-2.26.0/glib/gmain.c:2843
#31 0x01d32565 in QEventDispatcherGlib::processEvents (this=0x923eba0, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#32 0x037a5be5 in QGuiEventDispatcherGlib::processEvents (this=0x923eba0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x01d02609 in QEventLoop::processEvents (this=0xbfc82404, flags=) at kernel/qeventloop.cpp:149
#34 0x01d02a8a in QEventLoop::exec (this=0xbfc82404, flags=...) at kernel/qeventloop.cpp:201
#35 0x01d0700f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#36 0x036e2e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#37 0x008cafd7 in kdemain (argc=1, argv=0xbfc82614) at ../../../../plasma/desktop/shell/main.cpp:118
#38 0x080485bb in main (argc=1, argv=0xbfc82614) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 211659, bug 210158.

Reported using DrKonqi
Comment 1 parmruss 2011-02-13 17:38:32 UTC 
Created attachment 57217 [details]
New crash information added by DrKonqi

plasma-desktop (0.4) on KDE Platform 4.6.00 (4.6.0) using Qt 4.7.0

- What I was doing when the application crashed: Attempting to rename an activity. Had been having trouble with plasma freezing Up at login with weather plasmoid. Had to log in KDE/openbox. Clicked on the wrench icon; crash.

-- Backtrace (Reduced):
#7  data (this=0x0, item=0xabcd868) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135
[...]
#9  d_func (this=0x0, item=0xabcd868) at graphicsview/qgraphicsscene.h:297
#10 QGraphicsScene::removeItem (this=0x0, item=0xabcd868) at graphicsview/qgraphicsscene.cpp:2948
#11 0x00c832aa in Plasma::TabBar::removeTab (this=0xabdefd0, index=3) at ../../plasma/widgets/tabbar.cpp:457
#12 0x0464833a in ActivityBar::dataUpdated (this=0xa66e788, source=..., data=...) at ../../../../../plasma/generic/applets/activitybar/activitybar.cpp:337
Comment 2 Robby Engelmann 2011-03-21 20:41:01 UTC 
Created attachment 58232 [details]
New crash information added by DrKonqi

plasma-desktop (0.4) on KDE Platform 4.6.1 (4.6.1) using Qt 4.7.0

- What I was doing when the application crashed:
Plasma shell crashed after stopping newly generated activity

-- Backtrace (Reduced):
#7  data (this=0x0, item=0xa4191e0) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135
[...]
#9  d_func (this=0x0, item=0xa4191e0) at graphicsview/qgraphicsscene.h:297
#10 QGraphicsScene::removeItem (this=0x0, item=0xa4191e0) at graphicsview/qgraphicsscene.cpp:2948
#11 0x003e890a in Plasma::TabBar::removeTab (this=0xa4f2b18, index=4) at ../../plasma/widgets/tabbar.cpp:457
#12 0x045eb33a in ActivityBar::dataUpdated (this=0x9a35160, source=..., data=...) at ../../../../../plasma/generic/applets/activitybar/activitybar.cpp:337
Comment 3 Nicolas L. 2011-07-11 22:11:20 UTC 
*** Bug 277176 has been marked as a duplicate of this bug. ***
Comment 4 Beat Wolf 2011-11-21 15:45:29 UTC 
*** Bug 286113 has been marked as a duplicate of this bug. ***
Comment 5 Beat Wolf 2011-11-21 22:10:40 UTC 

*** This bug has been marked as a duplicate of bug 269558 ***