[Bug 312638] New: kded4 crash when restarting NetworkManager

Martin Holec mholec at redhat.com
Fri Jan 4 21:39:29 GMT 2013 

https://bugs.kde.org/show_bug.cgi?id=312638

            Bug ID: 312638
           Summary: kded4 crash when restarting NetworkManager
    Classification: Unclassified
           Product: kdelibs
           Version: unspecified
          Hardware: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: kded
          Assignee: unassigned-bugs at kde.org
          Reporter: mholec at redhat.com

Application: kded4 ($Id$)
KDE Platform Version: 4.9.4
Qt Version: 4.8.4
Operating System: Linux 3.6.10-4.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
systemctl stop NetworkManager.service 
systemctl start NetworkManager.service 
systemctl stop NetworkManager.service 
systemctl start NetworkManager.service

- Custom settings of the application:
updated NetworkManager before first systemctl stop

The crash can be reproduced some of the time.

-- Backtrace:
Application: KDE Daemon (kded4), 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 0x7f2ebba47880 (LWP 1396))]

Thread 2 (Thread 0x7f2ead40c700 (LWP 1521)):
#0  0x00000039cbce97ed in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000039cf447d44 in g_main_context_poll (n_fds=1, fds=0x7f2ea00029b0,
timeout=-1, context=0x7f2ea00009a0, priority=<optimized out>) at gmain.c:3584
#2  g_main_context_iterate (context=context at entry=0x7f2ea00009a0,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
gmain.c:3285
#3  0x00000039cf447e64 in g_main_context_iteration (context=0x7f2ea00009a0,
may_block=1) at gmain.c:3351
#4  0x00000039d8da60f6 in QEventDispatcherGlib::processEvents
(this=0x7f2ea00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00000039d8d767df in QEventLoop::processEvents
(this=this at entry=0x7f2ead40bcd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000039d8d76a68 in QEventLoop::exec (this=0x7f2ead40bcd0, flags=...) at
kernel/qeventloop.cpp:204
#7  0x00000039d8c78950 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:542
#8  0x00000039d8d5700f in QInotifyFileSystemWatcherEngine::run (this=0xa7ebb0)
at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00000039d8c7b92c in QThreadPrivate::start (arg=0xa7ebb0) at
thread/qthread_unix.cpp:338
#10 0x00000039cc407d15 in start_thread (arg=0x7f2ead40c700) at
pthread_create.c:308
#11 0x00000039cbcf22cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f2ebba47880 (LWP 1396)):
[KCrash Handler]
#6  WirelessNetworkInterfaceActivatableProvider::handleAdd (this=0xaa1190,
addedConnection=0xad3500) at
/usr/src/debug/networkmanagement-0.9.0.5/libs/service/wirelessnetworkinterfaceactivatableprovider.cpp:131
#7  0x00007f2eae5d0594 in
WirelessNetworkInterfaceActivatableProvider::wirelessEnabledChanged
(this=0xaa1190, status=<optimized out>) at
/usr/src/debug/networkmanagement-0.9.0.5/libs/service/wirelessnetworkinterfaceactivatableprovider.cpp:309
#8  0x00000039d8d8cebf in QMetaObject::activate (sender=0xca38a0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff8ede6d50) at
kernel/qobject.cpp:3539
#9  0x00007f2eae1337e2 in
Solid::Control::NetworkManagerNm09::Notifier::wirelessEnabledChanged
(this=<optimized out>, _t1=true) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/libs/solid/control/networkmanager.moc:143
#10 0x00000039d8d8cebf in QMetaObject::activate (sender=0xc8ee50, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff8ede6ea0) at
kernel/qobject.cpp:3539
#11 0x00007f2ead620c52 in
Solid::Control::Ifaces::NetworkManagerNm09::wirelessEnabledChanged
(this=<optimized out>, _t1=true) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/libs/solid/control/ifaces/networkmanager.moc:153
#12 0x00007f2eac3c7298 in NMNetworkManagerNm09::propertiesChanged
(this=0xc8ee50, properties=...) at
/usr/src/debug/networkmanagement-0.9.0.5/solidcontrolfuture/solid/networkmanager-0.9/manager.cpp:342
#13 0x00007f2eac3c7f79 in qt_static_metacall (_a=<optimized out>,
_id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/solid/networkmanager-0.9/manager.moc:73
#14 NMNetworkManagerNm09::qt_static_metacall (_o=<optimized out>, _c=<optimized
out>, _id=<optimized out>, _a=<optimized out>) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/solid/networkmanager-0.9/manager.moc:60
#15 0x00000039d8d8cebf in QMetaObject::activate (sender=0xa372c0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff8ede71e0) at
kernel/qobject.cpp:3539
#16 0x00007f2eac3d2f45 in
OrgFreedesktopNetworkManagerInterface::PropertiesChanged (this=<optimized out>,
_t1=...) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/solid/networkmanager-0.9/nm-managerinterface.moc:235
#17 0x00007f2eac3d3289 in qt_static_metacall (_a=<optimized out>,
_id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/solid/networkmanager-0.9/nm-managerinterface.moc:107
#18 OrgFreedesktopNetworkManagerInterface::qt_static_metacall (_o=0xa372c0,
_c=<optimized out>, _id=<optimized out>, _a=0x7fff8ede7830) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/solid/networkmanager-0.9/nm-managerinterface.moc:98
#19 0x00007f2eac3d472f in OrgFreedesktopNetworkManagerInterface::qt_metacall
(this=0xa372c0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fff8ede7830) at
/usr/src/debug/networkmanagement-0.9.0.5/x86_64-redhat-linux-gnu/solidcontrolfuture/solid/networkmanager-0.9/nm-managerinterface.moc:167
#20 0x00000039da2230c3 in QDBusConnectionPrivate::deliverCall (this=0xa85960,
object=0xa372c0, msg=..., metaTypes=..., slotIdx=8) at qdbusintegrator.cpp:951
#21 0x00000039d8d8c39e in QObject::event (this=0xa372c0, e=<optimized out>) at
kernel/qobject.cpp:1194
#22 0x00000039dbdca5cc in QApplicationPrivate::notify_helper
(this=this at entry=0x8b7e30, receiver=receiver at entry=0xa372c0,
e=e at entry=0xdc0fb0) at kernel/qapplication.cpp:4562
#23 0x00000039dbdcea4a in QApplication::notify (this=0x7fff8ede8430,
receiver=0xa372c0, e=0xdc0fb0) at kernel/qapplication.cpp:4423
#24 0x00000039de4468f6 in KApplication::notify (this=0x7fff8ede8430,
receiver=0xa372c0, event=0xdc0fb0) at
/usr/src/debug/kdelibs-4.9.4/kdeui/kernel/kapplication.cpp:311
#25 0x00000039d8d77a8e in QCoreApplication::notifyInternal
(this=0x7fff8ede8430, receiver=receiver at entry=0xa372c0,
event=event at entry=0xdc0fb0) at kernel/qcoreapplication.cpp:946
#26 0x00000039d8d7b541 in sendEvent (event=0xdc0fb0, receiver=0xa372c0) at
kernel/qcoreapplication.h:231
#27 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x87b5b0) at kernel/qcoreapplication.cpp:1570
#28 0x00000039d8da5f43 in sendPostedEvents () at kernel/qcoreapplication.h:236
#29 postEventSourceDispatch (s=s at entry=0x8b6450) at
kernel/qeventdispatcher_glib.cpp:279
#30 0x00000039cf447a75 in g_main_dispatch (context=0x8b8f20) at gmain.c:2715
#31 g_main_context_dispatch (context=context at entry=0x8b8f20) at gmain.c:3219
#32 0x00000039cf447da8 in g_main_context_iterate
(context=context at entry=0x8b8f20, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3290
#33 0x00000039cf447e64 in g_main_context_iteration (context=0x8b8f20,
may_block=1) at gmain.c:3351
#34 0x00000039d8da60d6 in QEventDispatcherGlib::processEvents (this=0x87ce90,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x00000039dbe6a73e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#36 0x00000039d8d767df in QEventLoop::processEvents
(this=this at entry=0x7fff8ede81b0, flags=...) at kernel/qeventloop.cpp:149
#37 0x00000039d8d76a68 in QEventLoop::exec (this=0x7fff8ede81b0, flags=...) at
kernel/qeventloop.cpp:204
#38 0x00000039d8d7b858 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1218
#39 0x00000039d1808510 in kdemain (argc=1, argv=0x7fff8ede8578) at
/usr/src/debug/kdelibs-4.9.4/kded/kded.cpp:924
#40 0x00000039cbc21a05 in __libc_start_main (main=0x4007e0 <main(int, char**)>,
argc=1, ubp_av=0x7fff8ede8578, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff8ede8568) at libc-start.c:225
#41 0x0000000000400811 in _start ()

Reported using DrKonqi

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