[Bug 309160] New: System settings crash while stopping Bluetooth service

jamie jamie.marshall800 at gmail.com
Sun Oct 28 18:04:57 GMT 2012 

https://bugs.kde.org/show_bug.cgi?id=309160

            Bug ID: 309160
          Severity: crash
           Version: 1.0
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: System settings crash while stopping Bluetooth service
    Classification: Unclassified
                OS: Linux
          Reporter: jamie.marshall800 at gmail.com
          Hardware: Ubuntu Packages
            Status: UNCONFIRMED
         Component: general
           Product: systemsettings

Application: systemsettings (1.0)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:  Using system settings to
disable and stop bluetooth service.  Crashed once, disabled and stopped
successfully on 2nd attempt.

The crash does not seem to be reproducible.

-- 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 0x7fef3bbbe7c0 (LWP 2139))]

Thread 4 (Thread 0x7fef20419700 (LWP 2140)):
#0  0x00007fef38cd58bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fef324f7f6f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fef324bb914 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fef324bbd22 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fef324bbea4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fef39457c16 in QEventDispatcherGlib::processEvents
(this=0x7fef180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fef394282bf in QEventLoop::processEvents
(this=this at entry=0x7fef20418d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fef39428548 in QEventLoop::exec (this=0x7fef20418d90, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007fef39329b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9  0x00007fef394089af in QInotifyFileSystemWatcherEngine::run (this=0x107cb50)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fef3932caec in QThreadPrivate::start (arg=0x107cb50) at
thread/qthread_unix.cpp:338
#11 0x00007fef3298ae9a in start_thread (arg=0x7fef20419700) at
pthread_create.c:308
#12 0x00007fef38ce2cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fef1e109700 (LWP 2186)):
#0  0x00007fef324f89df in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fef324f8c29 in g_mutex_lock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fef324bbc85 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fef324bc1e2 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fef1ee6e3b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007fef324df645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fef3298ae9a in start_thread (arg=0x7fef1e109700) at
pthread_create.c:308
#7  0x00007fef38ce2cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fef0cf21700 (LWP 2209)):
#0  0x00007fef38cd7303 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fef324bbd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fef324bbea4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fef39457c16 in QEventDispatcherGlib::processEvents
(this=0x7fef080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fef394282bf in QEventLoop::processEvents
(this=this at entry=0x7fef0cf20d90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fef39428548 in QEventLoop::exec (this=0x7fef0cf20d90, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007fef39329b10 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7  0x00007fef394089af in QInotifyFileSystemWatcherEngine::run (this=0x1804780)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fef3932caec in QThreadPrivate::start (arg=0x1804780) at
thread/qthread_unix.cpp:338
#9  0x00007fef3298ae9a in start_thread (arg=0x7fef0cf21700) at
pthread_create.c:308
#10 0x00007fef38ce2cbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fef3bbbe7c0 (LWP 2139)):
[KCrash Handler]
#6  0x00007fef0c0d035d in KDEDConfig::slotStopService (this=0x183ef90) at
../../../kcontrol/kded/kcmkded.cpp:460
#7  0x00007fef3943ef5f in QMetaObject::activate (sender=0x18258d0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff51ee8e90) at
kernel/qobject.cpp:3547
#8  0x00007fef3a6f0422 in QAbstractButton::clicked (this=<optimized out>,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#9  0x00007fef3a443d2e in QAbstractButtonPrivate::emitClicked
(this=this at entry=0x1825900) at widgets/qabstractbutton.cpp:548
#10 0x00007fef3a444560 in QAbstractButtonPrivate::click
(this=this at entry=0x1825900) at widgets/qabstractbutton.cpp:541
#11 0x00007fef3a4447cc in QAbstractButton::mouseReleaseEvent (this=0x18258d0,
e=0x7fff51ee9730) at widgets/qabstractbutton.cpp:1123
#12 0x00007fef3a0d5850 in QWidget::event (this=0x18258d0, event=0x7fff51ee9730)
at kernel/qwidget.cpp:8371
#13 0x00007fef3a085e9c in QApplicationPrivate::notify_helper
(this=this at entry=0xa6b360, receiver=receiver at entry=0x18258d0,
e=e at entry=0x7fff51ee9730) at kernel/qapplication.cpp:4562
#14 0x00007fef3a08ab6b in QApplication::notify (this=<optimized out>,
receiver=0x18258d0, e=0x7fff51ee9730) at kernel/qapplication.cpp:4105
#15 0x00007fef3ad8e1d6 in KApplication::notify (this=0x7fff51eea3a0,
receiver=0x18258d0, event=0x7fff51ee9730) at
../../kdeui/kernel/kapplication.cpp:311
#16 0x00007fef3942956e in QCoreApplication::notifyInternal
(this=0x7fff51eea3a0, receiver=0x18258d0, event=0x7fff51ee9730) at
kernel/qcoreapplication.cpp:915
#17 0x00007fef3a086cd3 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QApplicationPrivate::sendMouseEvent (receiver=0x18258d0,
event=0x7fff51ee9730, alienWidget=0x18258d0, nativeWidget=0xe6d380,
buttonDown=0x7fef3ab62308 <qt_button_down>, lastMouseReceiver=...,
spontaneous=true) at kernel/qapplication.cpp:3173
#19 0x00007fef3a104554 in QETWidget::translateMouseEvent
(this=this at entry=0xe6d380, event=event at entry=0x7fff51ee9eb0) at
kernel/qapplication_x11.cpp:4622
#20 0x00007fef3a10344f in QApplication::x11ProcessEvent (this=0x7fff51eea3a0,
event=0x7fff51ee9eb0) at kernel/qapplication_x11.cpp:3737
#21 0x00007fef3a12afa2 in x11EventSourceDispatch (s=0xa61860, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#22 0x00007fef324bbab5 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fef324bbde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fef324bbea4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fef39457bf6 in QEventDispatcherGlib::processEvents (this=0xa2aad0,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#26 0x00007fef3a12ac1e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fef394282bf in QEventLoop::processEvents
(this=this at entry=0x7fff51eea280, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fef39428548 in QEventLoop::exec (this=0x7fff51eea280, flags=...) at
kernel/qeventloop.cpp:204
#29 0x00007fef3942d708 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#30 0x000000000040a98e in main (argc=5, argv=0x7fff51eea4e8) at
../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 308822, bug 303777, bug 303766, bug 303181.

Reported using DrKonqi

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