[Bug 300546] New: System settings crashes when try to start service BlueDevil

Thu May 24 10:10:52 BST 2012

https://bugs.kde.org/show_bug.cgi?id=300546

            Bug ID: 300546
          Severity: crash
           Version: 1.0
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: System settings crashes when try to start service
                    BlueDevil
    Classification: Unclassified
                OS: Linux
          Reporter: gkortvelyessy at gmail.com
          Hardware: Ubuntu Packages
            Status: UNCONFIRMED
         Component: general
           Product: systemsettings

Application: systemsettings (1.0)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic x86_64
Distribution: Ubuntu 12.04 LTS

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

Select bluedevil service and click on button start service. Happens every time
I tested.
(Bluedevil application was already running)

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3ceb231780 (LWP 6950))]

Thread 2 (Thread 0x7f3cd51e7700 (LWP 6951)):
#0  0x00007f3ce637c05d in __pthread_mutex_unlock_usercnt (mutex=<optimized
out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f3cd0000a60) at pthread_mutex_unlock.c:290
#2  0x00007f3ce5ee7591 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3ce5eabfa9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3ce5eac124 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3ce8e44426 in QEventDispatcherGlib::processEvents
(this=0x7f3cd00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f3ce8e13c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f3ce8e13ed7 in QEventLoop::exec (this=0x7f3cd51e6dd0, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007f3ce8d12fa7 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9  0x00007f3ce8df39ff in QInotifyFileSystemWatcherEngine::run (this=0x2b32d10)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f3ce8d15fcb in QThreadPrivate::start (arg=0x2b32d10) at
thread/qthread_unix.cpp:298
#11 0x00007f3ce6378e9a in start_thread (arg=0x7f3cd51e7700) at
pthread_create.c:308
#12 0x00007f3ce86cf4bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3ceb231780 (LWP 6950)):
[KCrash Handler]
#6  0x00007f3ccf3bcdfd in KDEDConfig::slotStartService (this=0x2f574a0) at
../../../kcontrol/kded/kcmkded.cpp:441
#7  0x00007f3ce8e29281 in QMetaObject::activate (sender=0x2f948a0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff27411a70) at
kernel/qobject.cpp:3547
#8  0x00007f3cea116c72 in QAbstractButton::clicked (this=<optimized out>,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#9  0x00007f3ce9e54a4e in QAbstractButtonPrivate::emitClicked (this=<optimized
out>) at widgets/qabstractbutton.cpp:548
#10 0x00007f3ce9e55d8b in QAbstractButtonPrivate::click (this=0x2f958e0) at
widgets/qabstractbutton.cpp:541
#11 0x00007f3ce9e55ffc in QAbstractButton::mouseReleaseEvent (this=0x2f948a0,
e=0x7fff27412340) at widgets/qabstractbutton.cpp:1123
#12 0x00007f3ce9ad7144 in QWidget::event (this=0x2f948a0, event=0x7fff27412340)
at kernel/qwidget.cpp:8362
#13 0x00007f3ce9a86894 in notify_helper (e=0x7fff27412340, receiver=0x2f948a0,
this=0x250dc00) at kernel/qapplication.cpp:4559
#14 QApplicationPrivate::notify_helper (this=0x250dc00, receiver=0x2f948a0,
e=0x7fff27412340) at kernel/qapplication.cpp:4531
#15 0x00007f3ce9a8c0bf in QApplication::notify (this=<optimized out>,
receiver=0x2f948a0, e=0x7fff27412340) at kernel/qapplication.cpp:4102
#16 0x00007f3cea7bfb46 in KApplication::notify (this=0x7fff27413020,
receiver=0x2f948a0, event=0x7fff27412340) at
../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f3ce8e14e9c in QCoreApplication::notifyInternal
(this=0x7fff27413020, receiver=0x2f948a0, event=0x7fff27412340) at
kernel/qcoreapplication.cpp:876
#18 0x00007f3ce9a87862 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QApplicationPrivate::sendMouseEvent (receiver=0x2f948a0,
event=0x7fff27412340, alienWidget=0x2f948a0, nativeWidget=0x261feb0,
buttonDown=0x2f948a0, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:3170
#20 0x00007f3ce9b06bf5 in QETWidget::translateMouseEvent (this=0x261feb0,
event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#21 0x00007f3ce9b05bae in QApplication::x11ProcessEvent (this=0x7fff27413020,
event=0x7fff27412c10) at kernel/qapplication_x11.cpp:3732
#22 0x00007f3ce9b2f0d2 in x11EventSourceDispatch (s=0x2502440, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#23 0x00007f3ce5eabc9a in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f3ce5eac060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f3ce5eac124 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f3ce8e443bf in QEventDispatcherGlib::processEvents (this=0x24d04b0,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#27 0x00007f3ce9b2ed5e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007f3ce8e13c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#29 0x00007f3ce8e13ed7 in QEventLoop::exec (this=0x7fff27412fb0, flags=...) at
kernel/qeventloop.cpp:204
#30 0x00007f3ce8e18f67 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1148
#31 0x000000000040a7e5 in main (argc=5, argv=0x7fff274132e8) at
../../../systemsettings/app/main.cpp:49

This bug may be a duplicate of or related to bug 283117.

Possible duplicates by query: bug 298447, bug 298395, bug 297438, bug 291272,
bug 291065.

Reported using DrKonqi

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