[kde] [Bug 351551] New: Plasma desktop crashed straight after login

andrew brewster ab.kde at ntlworld.com
Fri Aug 21 09:00:21 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=351551

            Bug ID: 351551
           Summary: Plasma desktop crashed straight after login
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: ab.kde at ntlworld.com

Application: plasma-desktop (4.11.16)
KDE Platform Version: 4.14.5
Qt Version: 4.8.6
Operating System: Linux 3.19.8-desktop-3.mga5 x86_64
Distribution: "Mageia 5"

-- Information about the crash:
- What I was doing when the application crashed:
Waiting for the desktop to show after logging in. Mageia 5 splash screen had
completed (a number of dots representing bubbles rising over a cauldron are
successively shown), then the crash happened.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f0c964f0780 (LWP 4746))]

Thread 2 (Thread 0x7f0c6ae41700 (LWP 4748)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0c872bb73a in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f0c875bef80 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f0c872bb769 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f0c94d7b5bd in start_thread (arg=0x7f0c6ae41700) at
pthread_create.c:310
#4  0x00007f0c93af45cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f0c964f0780 (LWP 4746)):
[KCrash Handler]
#6  0x00007f0c93e0f7cb in
__cxxabiv1::__si_class_type_info::~__si_class_type_info() () from
/lib64/libstdc++.so.6
#7  0x00007f0c95111fa9 in QMetaObject::cast (this=0x7f0c89fc4c40
<Plasma::Extender::staticMetaObject>, obj=0x7f0c95470000 <typeinfo for
QEventDispatcherUNIX>) at kernel/qmetaobject.cpp:274
#8  0x00007f0c89c0b0e4 in qobject_cast<Plasma::Extender*> (object=<optimized
out>) at /usr/include/QtCore/qobject.h:380
#9  qobject_cast<Plasma::Extender*> (o=<optimized out>) at
/usr/include/QtDeclarative/qdeclarativeitem.h:206
#10 Plasma::PopupAppletPrivate::checkExtenderAppearance
(this=this at entry=0x2b03bb0, f=f at entry=Plasma::Planar) at
/usr/src/debug/kdelibs-4.14.5/plasma/popupapplet.cpp:191
#11 0x00007f0c89c0d13b in Plasma::PopupAppletPrivate::popupConstraintsEvent
(this=0x2b03bb0, constraints=...) at
/usr/src/debug/kdelibs-4.14.5/plasma/popupapplet.cpp:212
#12 0x00007f0c89bb1738 in Plasma::Applet::flushPendingConstraintsEvents
(this=0x295b530) at /usr/src/debug/kdelibs-4.14.5/plasma/applet.cpp:1361
#13 0x00007f0c6c5a87c6 in SystemTray::PlasmoidTask::forwardConstraintsEvent
(this=0x7f0c95470000 <typeinfo for QEventDispatcherUNIX>, constraints=...) at
/usr/src/debug/kde-workspace-4.11.16/plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtask.cpp:126
#14 0x00007f0c6c5a7193 in SystemTray::PlasmoidProtocol::forwardConstraintsEvent
(this=0x238fe80, constraints=..., host=host at entry=0x22d1800) at
/usr/src/debug/kde-workspace-4.11.16/plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:54
#15 0x00007f0c6c59f559 in SystemTray::Manager::forwardConstraintsEvent
(this=<optimized out>, constraints=..., host=host at entry=0x22d1800) at
/usr/src/debug/kde-workspace-4.11.16/plasma/generic/applets/systemtray/core/manager.cpp:99
#16 0x00007f0c6c5adf31 in SystemTray::Applet::constraintsEvent (this=0x22d1800,
constraints=...) at
/usr/src/debug/kde-workspace-4.11.16/plasma/generic/applets/systemtray/ui/applet.cpp:360
#17 0x00007f0c89bb174e in Plasma::Applet::flushPendingConstraintsEvents
(this=0x22d1800) at /usr/src/debug/kdelibs-4.14.5/plasma/applet.cpp:1365
#18 0x00007f0c89bcb608 in Plasma::ContainmentPrivate::initApplets
(this=0x22a6440) at /usr/src/debug/kdelibs-4.14.5/plasma/containment.cpp:468
#19 0x00007f0c89bdb8ec in Plasma::CoronaPrivate::importLayout (this=0x1e91c60,
conf=..., mergeConfig=mergeConfig at entry=false) at
/usr/src/debug/kdelibs-4.14.5/plasma/corona.cpp:1070
#20 0x00007f0c89bdc8aa in Plasma::Corona::loadLayout
(this=this at entry=0x2039760, configName=...) at
/usr/src/debug/kdelibs-4.14.5/plasma/corona.cpp:281
#21 0x00007f0c89bdc964 in Plasma::Corona::initializeLayout
(this=this at entry=0x2039760, configName=...) at
/usr/src/debug/kdelibs-4.14.5/plasma/corona.cpp:182
#22 0x00007f0c7ff63ec7 in PlasmaApp::corona (this=this at entry=0x1e9cd00,
createIfMissing=createIfMissing at entry=true) at
/usr/src/debug/kde-workspace-4.11.16/plasma/desktop/shell/plasmaapp.cpp:856
#23 0x00007f0c7ff6433e in PlasmaApp::setupDesktop (this=0x1e9cd00) at
/usr/src/debug/kde-workspace-4.11.16/plasma/desktop/shell/plasmaapp.cpp:314
#24 0x00007f0c7ff696b5 in PlasmaApp::qt_static_metacall (_o=0x7f0c95470000
<typeinfo for QEventDispatcherUNIX>, _id=-1790509056, _a=0x2, _c=<optimized
out>) at
/usr/src/debug/kde-workspace-4.11.16/build/plasma/desktop/shell/plasmaapp.moc:128
#25 0x00007f0c95123d61 in QObject::event (this=this at entry=0x1e9cd00,
e=e at entry=0x2068b90) at kernel/qobject.cpp:1222
#26 0x00007f0c9510fdac in QCoreApplication::event (this=this at entry=0x1e9cd00,
e=e at entry=0x2068b90) at kernel/qcoreapplication.cpp:1765
#27 0x00007f0c94288713 in QApplication::event (this=0x1e9cd00, e=0x2068b90) at
kernel/qapplication.cpp:2544
#28 0x00007f0c9428379c in QApplicationPrivate::notify_helper
(this=this at entry=0x1ea8fa0, receiver=receiver at entry=0x1e9cd00,
e=e at entry=0x2068b90) at kernel/qapplication.cpp:4565
#29 0x00007f0c94289e40 in QApplication::notify (this=this at entry=0x1e9cd00,
receiver=receiver at entry=0x1e9cd00, e=e at entry=0x2068b90) at
kernel/qapplication.cpp:4351
#30 0x00007f0c95ed125a in KApplication::notify (this=0x1e9cd00,
receiver=0x1e9cd00, event=0x2068b90) at
/usr/src/debug/kdelibs-4.14.5/kdeui/kernel/kapplication.cpp:311
#31 0x00007f0c9510bcad in QCoreApplication::notifyInternal (this=0x1e9cd00,
receiver=receiver at entry=0x1e9cd00, event=event at entry=0x2068b90) at
kernel/qcoreapplication.cpp:953
#32 0x00007f0c9510ebe1 in sendEvent (event=0x2068b90, receiver=0x1e9cd00) at
kernel/qcoreapplication.h:231
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0x1db3ff0) at
kernel/qcoreapplication.cpp:1577
#34 0x00007f0c9510f073 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1470
#35 0x00007f0c95138cae in sendPostedEvents () at kernel/qcoreapplication.h:236
#36 postEventSourceDispatch (s=0x1e9f040) at
kernel/qeventdispatcher_glib.cpp:300
#37 0x00007f0c90bcec6d in g_main_dispatch (context=0x1e9ef80) at gmain.c:3111
#38 g_main_context_dispatch (context=context at entry=0x1e9ef80) at gmain.c:3710
#39 0x00007f0c90bcef18 in g_main_context_iterate
(context=context at entry=0x1e9ef80, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3781
#40 0x00007f0c90bcefbc in g_main_context_iteration (context=0x1e9ef80,
may_block=1) at gmain.c:3842
#41 0x00007f0c95138e1e in QEventDispatcherGlib::processEvents (this=0x1ea7900,
flags=...) at kernel/qeventdispatcher_glib.cpp:450
#42 0x00007f0c943214f6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007f0c9510a931 in QEventLoop::processEvents
(this=this at entry=0x7ffc1d1a4ab0, flags=...) at kernel/qeventloop.cpp:149
#44 0x00007f0c9510ac45 in QEventLoop::exec (this=this at entry=0x7ffc1d1a4ab0,
flags=...) at kernel/qeventloop.cpp:204
#45 0x00007f0c9510fe59 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#46 0x00007f0c94281dac in QApplication::exec () at kernel/qapplication.cpp:3823
#47 0x00007f0c7ff4b36d in kdemain (argc=1, argv=0x1db54d0) at
/usr/src/debug/kde-workspace-4.11.16/plasma/desktop/shell/main.cpp:126
#48 0x000000000040819a in launch (argc=argc at entry=1,
_name=_name at entry=0x1e22e08 "/usr/bin/plasma-desktop",
args=args at entry=0x1e22e20 "", cwd=cwd at entry=0x0, envc=envc at entry=0,
envs=<optimized out>, envs at entry=0x1e22e28 "", reset_env=false, tty=0x0,
avoid_loops=false, startup_id_str=0x40aac6 "0") at
/usr/src/debug/kdelibs-4.14.5/kinit/kinit.cpp:726
#49 0x0000000000409021 in handle_launcher_request (sock=8, who=<optimized out>)
at /usr/src/debug/kdelibs-4.14.5/kinit/kinit.cpp:1218
#50 0x000000000040972a in handle_requests (waitForPid=waitForPid at entry=0) at
/usr/src/debug/kdelibs-4.14.5/kinit/kinit.cpp:1411
#51 0x0000000000405303 in main (argc=4, argv=<optimized out>, envp=<optimized
out>) at /usr/src/debug/kdelibs-4.14.5/kinit/kinit.cpp:1899

Reported using DrKonqi

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