Bug 200395

Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.96 (KDE 4.2.96 (KDE 4.3 RC2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Procedure:

* open virt-manager
* start a VM 

Expected Result:

* VM starts
* no other problems

Actual Result

* VM starts
* plasma-desktop crashes.

(also crashes when stopping a VM.)

This is not quite 100% consistant - it did work for me once just after rebooting my workstation.

I have followed the debug symbol load instructions here:

https://wiki.kubuntu.org/DebuggingProgramCrash

but the bug reporting tool continues to tell me that my backtrace is probably not useful. Any advice on what else I can do to improve the backtrace would be much appreciated.


 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 0 (LWP 32015)]

Thread 2 (Thread 0x7fa50dc1e950 (LWP 32020)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fa52a5ec939 in QWaitCondition::wait (this=0x2a79f50, mutex=0x2a79f48, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007fa52dbb14cc in QHostInfoAgent::run (this=0x2a79f30) at kernel/qhostinfo.cpp:260
#3  0x00007fa52a5eb952 in QThreadPrivate::start (arg=0x2a79f30) at thread/qthread_unix.cpp:189
#4  0x00007fa526cec3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007fa529b48fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa52f2ad760 (LWP 32015)):
[KCrash Handler]
#5  0x00007fa511265730 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#6  0x00007fa51126458f in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#7  0x00007fa5112759cc in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#8  0x00007fa511262700 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#9  0x00007fa52a6ea1f2 in QMetaObject::activate (sender=0x2919a30, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x2dbd900) at kernel/qobject.cpp:3069
#10 0x00007fa5112666f8 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#11 0x00007fa511262633 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#12 0x00007fa5112626a5 in ?? () from /usr/lib/kde4/plasma_applet_networkmanagement.so
#13 0x00007fa52a6ea1f2 in QMetaObject::activate (sender=0x27036e0, from_signal_index=<value optimized out>, to_signal_index=7, argv=0x2dbd900) at kernel/qobject.cpp:3069
#14 0x00007fa511041854 in NetworkManagerSettings::connectionAdded () from /usr/lib/libknmdbus.so.4
#15 0x00007fa5110431f3 in NetworkManagerSettings::onConnectionAdded () from /usr/lib/libknmdbus.so.4
#16 0x00007fa5110433f4 in NetworkManagerSettings::qt_metacall () from /usr/lib/libknmdbus.so.4
#17 0x00007fa52a6ea1f2 in QMetaObject::activate (sender=0x27036e0, from_signal_index=<value optimized out>, to_signal_index=5, argv=0x2dbd900) at kernel/qobject.cpp:3069
#18 0x00007fa511041282 in OrgFreedesktopNetworkManagerSettingsInterface::NewConnection () from /usr/lib/libknmdbus.so.4
#19 0x00007fa51104142c in OrgFreedesktopNetworkManagerSettingsInterface::qt_metacall () from /usr/lib/libknmdbus.so.4
#20 0x00007fa511043355 in NetworkManagerSettings::qt_metacall () from /usr/lib/libknmdbus.so.4
#21 0x00007fa52a9f2f83 in QDBusConnectionPrivate::deliverCall (this=0x2748610, object=0x27036e0, msg=@0x3271cb8, metaTypes=@0x3271cc0, slotIdx=5) at qdbusintegrator.cpp:891
#22 0x00007fa52a9fad0f in QDBusCallDeliveryEvent::placeMetaCall (this=0x61, object=0x32e9598) at qdbusintegrator_p.h:101
#23 0x00007fa52a6e4848 in QObject::event (this=0x27036e0, e=0x3271c70) at kernel/qobject.cpp:1118
#24 0x00007fa52ae1978d in QApplicationPrivate::notify_helper (this=0x20f67e0, receiver=0x27036e0, e=0x3271c70) at kernel/qapplication.cpp:4084
#25 0x00007fa52ae2197a in QApplication::notify (this=0x20ee6b0, receiver=0x27036e0, e=0x3271c70) at kernel/qapplication.cpp:4049
#26 0x00007fa52d4e963b in KApplication::notify (this=0x20ee6b0, receiver=0x27036e0, event=0x3271c70) at /build/buildd/kde4libs-4.2.96/kdeui/kernel/kapplication.cpp:302
#27 0x00007fa52a6d475c in QCoreApplication::notifyInternal (this=0x20ee6b0, receiver=0x27036e0, event=0x3271c70) at kernel/qcoreapplication.cpp:602
#28 0x00007fa52a6d53ca in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x20d6a60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#29 0x00007fa52a6fe1e3 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#30 0x00007fa5250bc20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0x00007fa5250bf8e0 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0x00007fa5250bfa7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0x00007fa52a6fde6f in QEventDispatcherGlib::processEvents (this=0x20d67e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#34 0x00007fa52aeb1bef in QGuiEventDispatcherGlib::processEvents (this=0x2dbd7d0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#35 0x00007fa52a6d3002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 925812720}) at kernel/qeventloop.cpp:149
#36 0x00007fa52a6d33cd in QEventLoop::exec (this=0x7fff372ec830, flags={i = 925812800}) at kernel/qeventloop.cpp:200
#37 0x00007fa52a6d5694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#38 0x00007fa52ee846bb in kdemain (argc=1, argv=0x7fff372ecb38) at /build/buildd/kdebase-workspace-4.2.96/plasma/shells/desktop/main.cpp:50
#39 0x00007fa529a815a6 in __libc_start_main (main=0x400890 <main>, argc=1, ubp_av=0x7fff372ecb38, init=0x4008c0 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fff372ecb28) at libc-start.c:220
#40 0x00000000004007c9 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi