[systemsettings] [Bug 324240] New: Enable DisplayLink USB Display crashes System Settings

Allen2 AllenEmailID at comcast.net
Thu Aug 29 23:44:38 BST 2013 

https://bugs.kde.org/show_bug.cgi?id=324240

            Bug ID: 324240
           Summary: Enable DisplayLink USB Display crashes System Settings
    Classification: Unclassified
           Product: systemsettings
           Version: 1.0
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: AllenEmailID at comcast.net

Application: systemsettings (1.0)
KDE Platform Version: 4.10.5
Qt Version: 4.8.5
Operating System: Linux 3.10.7-200.fc19.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Enabled DisplayLink USB Display labeled DVI-1 via System Settings

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/usr/lib64/libthread_db.so.1".
81    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7ffcd9bee8c0 (LWP 31034))]

Thread 2 (Thread 0x7ffccbf62700 (LWP 31039)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000000376f5860bb in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x376f883f00 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x000000376f5860f9 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003747207c53 in start_thread (arg=0x7ffccbf62700) at
pthread_create.c:308
#4  0x00000037466f5ccd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ffcd9bee8c0 (LWP 31034)):
[KCrash Handler]
#6  0x00007ffccbf6fd28 in XRandROutput::updateOutput(_XRROutputInfo const*) ()
from /usr/lib64/kde4/plugins/kscreen/KSC_XRandR.so
#7  0x00007ffccbf701f7 in XRandROutput::update(XRandROutput::PrimaryChange) ()
from /usr/lib64/kde4/plugins/kscreen/KSC_XRandR.so
#8  0x00007ffccbf6b720 in XRandRConfig::toKScreenConfig() const () from
/usr/lib64/kde4/plugins/kscreen/KSC_XRandR.so
#9  0x00007ffccc3a2237 in KScreen::Config::canBeApplied(KScreen::Config*) ()
from /usr/lib64/libkscreen.so.1
#10 0x00007ffccc3a2de8 in KScreen::Config::setConfig(KScreen::Config*) () from
/usr/lib64/libkscreen.so.1
#11 0x00007ffccc5bb3a9 in KCMKScreen::save() () from
/usr/lib64/kde4/kcm_kscreen.so
#12 0x000000376ca211b7 in KCModuleProxy::save (this=<optimized out>) at
/usr/src/debug/kdelibs-4.10.5/kutils/kcmoduleproxy.cpp:279
#13 0x000000375880efd3 in ModuleView::moduleSave(KCModuleProxy*) () from
/usr/lib64/libsystemsettingsview.so.2
#14 0x000000375881125a in ModuleView::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.26] () from
/usr/lib64/libsystemsettingsview.so.2
#15 0x000000375438df78 in QMetaObject::activate (sender=sender at entry=0x1b922e0,
m=m at entry=0x3758691400 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7fff5093dda0)
at kernel/qobject.cpp:3547
#16 0x000000375820eb22 in QAbstractButton::clicked (this=this at entry=0x1b922e0,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#17 0x0000003757f74703 in QAbstractButtonPrivate::emitClicked
(this=this at entry=0x1baeaa0) at widgets/qabstractbutton.cpp:548
#18 0x0000003757f75903 in QAbstractButtonPrivate::click
(this=this at entry=0x1baeaa0) at widgets/qabstractbutton.cpp:541
#19 0x0000003757f759ec in QAbstractButton::mouseReleaseEvent (this=0x1b922e0,
e=0x7fff5093e290) at widgets/qabstractbutton.cpp:1123
#20 0x0000003757c17b1e in QWidget::event (this=0x1b922e0, event=0x7fff5093e290)
at kernel/qwidget.cpp:8376
#21 0x0000003757bc84dc in QApplicationPrivate::notify_helper (this=0x18c1250,
receiver=0x1b922e0, e=0x7fff5093e290) at kernel/qapplication.cpp:4562
#22 0x0000003757bcebdd in QApplication::notify (this=this at entry=0x7fff5093eae0,
receiver=receiver at entry=0x1b922e0, e=e at entry=0x7fff5093e290) at
kernel/qapplication.cpp:4105
#23 0x0000003759a415ba in KApplication::notify (this=0x7fff5093eae0,
receiver=0x1b922e0, event=0x7fff5093e290) at
/usr/src/debug/kdelibs-4.10.5/kdeui/kernel/kapplication.cpp:311
#24 0x000000375437a26d in QCoreApplication::notifyInternal
(this=0x7fff5093eae0, receiver=0x1b922e0, event=0x7fff5093e290) at
kernel/qcoreapplication.cpp:949
#25 0x0000003757bce393 in QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x1b922e0, event=event at entry=0x7fff5093e290,
alienWidget=alienWidget at entry=0x1b922e0,
nativeWidget=nativeWidget at entry=0x19d02e0,
buttonDown=buttonDown at entry=0x37586a3258 <qt_button_down>,
lastMouseReceiver=..., spontaneous=spontaneous at entry=true) at
../../src/corelib/kernel/qcoreapplication.h:231
#26 0x0000003757c3f92b in QETWidget::translateMouseEvent
(this=this at entry=0x19d02e0, event=event at entry=0x7fff5093e600) at
kernel/qapplication_x11.cpp:4538
#27 0x0000003757c3e39c in QApplication::x11ProcessEvent (this=0x7fff5093eae0,
event=event at entry=0x7fff5093e600) at kernel/qapplication_x11.cpp:3661
#28 0x0000003757c64e54 in x11EventSourceDispatch (s=s at entry=0x18a8df0,
callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#29 0x000000374a247e06 in g_main_dispatch (context=0x18c14b0) at gmain.c:3054
#30 g_main_context_dispatch (context=context at entry=0x18c14b0) at gmain.c:3630
#31 0x000000374a248158 in g_main_context_iterate
(context=context at entry=0x18c14b0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3701
#32 0x000000374a2481fc in g_main_context_iteration (context=0x18c14b0,
may_block=1) at gmain.c:3762
#33 0x00000037543a7166 in QEventDispatcherGlib::processEvents (this=0x187b150,
flags=...) at kernel/qeventdispatcher_glib.cpp:427
#34 0x0000003757c64fc6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#35 0x0000003754378ecf in QEventLoop::processEvents
(this=this at entry=0x7fff5093e9e0, flags=...) at kernel/qeventloop.cpp:149
#36 0x00000037543791c5 in QEventLoop::exec (this=this at entry=0x7fff5093e9e0,
flags=...) at kernel/qeventloop.cpp:204
#37 0x000000375437e45b in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1221
#38 0x000000000040ab5b in main ()

Reported using DrKonqi

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