[systemsettings] [Bug 327928] New: Display configuration crashes when applying any changes

Peter Brewer p.brewer at ltrr.arizona.edu
Fri Nov 22 03:36:58 GMT 2013 

https://bugs.kde.org/show_bug.cgi?id=327928

            Bug ID: 327928
           Summary: Display configuration crashes when applying any
                    changes
    Classification: Unclassified
           Product: systemsettings
           Version: 4.11.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: p.brewer at ltrr.arizona.edu

Application: systemsettings (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-13-generic i686
Distribution: Ubuntu 13.10

-- Information about the crash:
I had been having issues getting an external display working with my laptop.  I
tried moving my .kde folder away but now display configuration crashes whenever
I try to apply changes.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1592740 (LWP 4642))]

Thread 3 (Thread 0xae23fb40 (LWP 4645)):
#0  0xb77a4424 in __kernel_vsyscall ()
#1  0xb5dc88db in read () at ../sysdeps/unix/syscall-template.S:81
#2  0xb294bd3e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb290964b in g_main_context_check () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2909aea in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2909c98 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb612a8df in QEventDispatcherGlib::processEvents (this=0xad900468,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb60f99f3 in QEventLoop::processEvents (this=this at entry=0xae23f228,
flags=...) at kernel/qeventloop.cpp:149
#8  0xb60f9d19 in QEventLoop::exec (this=this at entry=0xae23f228, flags=...) at
kernel/qeventloop.cpp:204
#9  0xb5fe8e3d in QThread::exec (this=this at entry=0x9a01b60) at
thread/qthread.cpp:542
#10 0xb60d9e14 in QInotifyFileSystemWatcherEngine::run (this=0x9a01b60) at
io/qfilesystemwatcher_inotify.cpp:265
#11 0xb5feb72f in QThreadPrivate::start (arg=0x9a01b60) at
thread/qthread_unix.cpp:338
#12 0xb29e8d78 in start_thread (arg=0xae23fb40) at pthread_create.c:311
#13 0xb5dda01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 2 (Thread 0xad8ffb40 (LWP 4646)):
#0  0xb77a4424 in __kernel_vsyscall ()
#1  0xb29ec84b in pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5de79bc in __pthread_cond_wait (cond=0xb3bd28d0, mutex=0xb3bd28b8) at
forward.c:149
#3  0xb3acfef2 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3acff3f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb29e8d78 in start_thread (arg=0xad8ffb40) at pthread_create.c:311
#6  0xb5dda01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb1592740 (LWP 4642)):
[KCrash Handler]
#7  XRandRMode::size (this=0x0) at
/build/buildd/libkscreen-1.0.1/backends/xrandr/xrandrmode.cpp:53
#8  0xae29647a in XRandRConfig::applyKScreenConfig (this=0x9894800,
config=config at entry=0x9b16cf8) at
/build/buildd/libkscreen-1.0.1/backends/xrandr/xrandrconfig.cpp:168
#9  0xae291209 in XRandR::setConfig (this=0x9ae7ea8, config=0x9b16cf8) at
/build/buildd/libkscreen-1.0.1/backends/xrandr/xrandr.cpp:142
#10 0xada1931f in KScreen::Config::setConfig (config=0x9b16cf8) at
/build/buildd/libkscreen-1.0.1/src/config.cpp:66
#11 0xada2f197 in KCMKScreen::save (this=0x9a12638) at
/build/buildd/kscreen-1.0.1/kcm/src/kcm_kscreen.cpp:213
#12 0xb748ec82 in KCModuleProxy::save (this=this at entry=0x988e710) at
../../kutils/kcmoduleproxy.cpp:280
#13 0xb746ba71 in ModuleView::moduleSave (this=this at entry=0x98b0ac0,
module=module at entry=0x988e710) at
../../../systemsettings/core/ModuleView.cpp:289
#14 0xb746bd9e in ModuleView::moduleSave (this=0x98b0ac0) at
../../../systemsettings/core/ModuleView.cpp:280
#15 0xb746d5e8 in ModuleView::qt_static_metacall (_o=0xbfcb9b10, _id=0,
_a=0xbfcb9e18, _c=<optimized out>) at ./ModuleView.moc:72
#16 0xb610ffc7 in QMetaObject::activate (sender=sender at entry=0x9879218,
m=m at entry=0xb7040ac8 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0xbfcb9e18) at
kernel/qobject.cpp:3539
#17 0xb6dcf58d in QAbstractButton::clicked (this=this at entry=0x9879218,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#18 0xb6aea381 in QAbstractButtonPrivate::emitClicked
(this=this at entry=0x9879060) at widgets/qabstractbutton.cpp:548
#19 0xb6aeb707 in QAbstractButtonPrivate::click (this=this at entry=0x9879060) at
widgets/qabstractbutton.cpp:541
#20 0xb6aeb80e in QAbstractButton::mouseReleaseEvent (this=0x9879218,
e=0xbfcba304) at widgets/qabstractbutton.cpp:1123
#21 0xb672e1aa in QWidget::event (this=this at entry=0x9879218,
event=event at entry=0xbfcba304) at kernel/qwidget.cpp:8375
#22 0xb6aec812 in QAbstractButton::event (this=this at entry=0x9879218,
e=e at entry=0xbfcba304) at widgets/qabstractbutton.cpp:1082
#23 0xb6b86fdc in QPushButton::event (this=0x9879218, e=0xbfcba304) at
widgets/qpushbutton.cpp:683
#24 0xb66d4744 in QApplicationPrivate::notify_helper (this=0x95ec6f8,
receiver=receiver at entry=0x9879218, e=0xbfcba304) at
kernel/qapplication.cpp:4567
#25 0xb66dcdf8 in QApplication::notify (this=0xbfcba89c,
receiver=receiver at entry=0x9879218, e=e at entry=0xbfcba304) at
kernel/qapplication.cpp:4110
#26 0xb7221ff4 in KApplication::notify (this=0xbfcba89c, receiver=0x9879218,
event=0xbfcba304) at ../../kdeui/kernel/kapplication.cpp:311
#27 0xb60faeda in QCoreApplication::notifyInternal (this=0xbfcba89c,
receiver=receiver at entry=0x9879218, event=event at entry=0xbfcba304) at
kernel/qcoreapplication.cpp:946
#28 0xb66daaa3 in sendEvent (event=<optimized out>, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QApplicationPrivate::sendMouseEvent (receiver=receiver at entry=0x9879218,
event=0xbfcba304, alienWidget=0x9879218, nativeWidget=0x96e2178,
buttonDown=buttonDown at entry=0xb7049cc4 <qt_button_down>, lastMouseReceiver=...,
spontaneous=spontaneous at entry=true) at kernel/qapplication.cpp:3178
#30 0xb675e4e8 in QETWidget::translateMouseEvent (this=0x96e2178,
event=event at entry=0xbfcba52c) at kernel/qapplication_x11.cpp:4631
#31 0xb675dc05 in QApplication::x11ProcessEvent (this=0xbfcba89c,
event=event at entry=0xbfcba52c) at kernel/qapplication_x11.cpp:3624
#32 0xb6789274 in x11EventSourceDispatch (s=0x95edc40, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb290982e in g_main_context_dispatch () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#34 0xb2909bd8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#35 0xb2909c98 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#36 0xb612a8bf in QEventDispatcherGlib::processEvents
(this=this at entry=0x95b9ec0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0xb678932e in QGuiEventDispatcherGlib::processEvents (this=0x95b9ec0,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0xb60f99f3 in QEventLoop::processEvents (this=this at entry=0xbfcba7e8,
flags=...) at kernel/qeventloop.cpp:149
#39 0xb60f9d19 in QEventLoop::exec (this=this at entry=0xbfcba7e8, flags=...) at
kernel/qeventloop.cpp:204
#40 0xb60ff89e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#41 0xb66d2974 in QApplication::exec () at kernel/qapplication.cpp:3828
#42 0x08050490 in main (argc=1, argv=0xbfcba974) at
../../../systemsettings/app/main.cpp:49

Reported using DrKonqi

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