[systemsettings] [Bug 344373] New: Switching between split screen and shared screen settings crashes KDM

[Kristoffer Grundström]

https://bugs.kde.org/show_bug.cgi?id=344373

            Bug ID: 344373
           Summary: Switching between split screen and shared screen
                    settings crashes KDM
           Product: systemsettings
           Version: unspecified
          Platform: Mageia RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kristoffer.grundstrom1983 at gmail.com

Application: systemsettings (4.11.16)
KDE Platform Version: 4.14.5
Qt Version: 4.8.6
Operating System: Linux 3.19.0-desktop-1.mga5 i686
Distribution: "Mageia 5"

-- Information about the crash:
- What I was doing when the application crashed: I switched between split
screen view and shared screen settings

- Custom settings of the application: No custom settings.

-- Backtrace:
Application: Systeminställningar (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i686/libthread_db.so.1".
[Current thread is 1 (Thread 0xb065d780 (LWP 7482))]

Thread 2 (Thread 0xac810b40 (LWP 7486)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib/i686/libpthread.so.0
#2  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/i686/libc.so.6
#3  0xffffffff in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib/libQtScript.so.4
#4  0xffffffff in  () at /lib/libQtScript.so.4
#5  0xffffffff in start_thread () at /lib/i686/libpthread.so.0
#6  0xffffffff in clone () at /lib/i686/libc.so.6

Thread 1 (Thread 0xb065d780 (LWP 7482)):
[KCrash Handler]
#6  0xffffffff in KScreen::Output::id() const () at /lib/libkscreen.so.1
#7  0xffffffff in XRandRConfig::updateKScreenConfig(KScreen::Config*) const ()
at /usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#8  0xffffffff in XRandR::updateConfig(KScreen::Config*) const () at
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#9  0xffffffff in KScreen::ConfigMonitor::Private::updateConfigs() () at
/lib/libkscreen.so.1
#10 0xffffffff in KScreen::ConfigMonitor::notifyUpdate() () at
/lib/libkscreen.so.1
#11 0xffffffff in XRandR::updateOutput(unsigned long) () at
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#12 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () at /lib/libQtCore.so.4
#13 0xffffffff in XRandRX11Helper::x11Event(_XEvent*) () at
/usr/lib/kde4/plugins/kscreen/KSC_XRandR.so
#14 0xffffffff in KSystemEventFilterPrivate::filterEvent(void*) () at
/lib/libkdeui.so.5
#15 0xffffffff in _k_eventFilter(void*) () at /lib/libkdeui.so.5
#16 0xffffffff in QAbstractEventDispatcher::filterEvent(void*) () at
/lib/libQtCore.so.4
#17 0xffffffff in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) ()
at /lib/libQtGui.so.4
#18 0xffffffff in g_main_context_dispatch () at /lib/libglib-2.0.so.0
#19 0xffffffff in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#20 0xffffffff in g_main_context_iteration () at /lib/libglib-2.0.so.0
#21 0xffffffff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/libQtCore.so.4
#22 0xffffffff in
QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib/libQtGui.so.4
#23 0xffffffff in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/libQtCore.so.4
#24 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/libQtCore.so.4
#25 0xffffffff in QCoreApplication::exec() () at /lib/libQtCore.so.4
#26 0xffffffff in QApplication::exec() () at /lib/libQtGui.so.4
#27 0x080504b1 in main ()

Possible duplicates by query: bug 335646, bug 334947.

Reported using DrKonqi

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