[systemsettings] [Bug 323107] New: kscreen crashes

Fri Aug 2 14:46:44 BST 2013

https://bugs.kde.org/show_bug.cgi?id=323107

            Bug ID: 323107
           Summary: kscreen crashes
    Classification: Unclassified
           Product: systemsettings
           Version: 4.10.97
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: manisandro at gmail.com

Application: systemsettings (4.10.97)
KDE Platform Version: 4.10.97
Qt Version: 4.8.5
Operating System: Linux 3.9.9-302.fc19.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
- Connected laptop to external 1920x1080 display, disabled internal display
- Disconnected external display, but did not press Fn+F7 (the toggle displays
hotkey) Note: the ati driver (using a RV620 gpu) does not seem to react
automatically when displays are removed.
- Connected another external display to the laptop (this time 1680x1050). This
display then ran at interpolated 1920x1080
- Tried correcting the display setup with the display configuration UI, any
change followed by apply would crash system settings.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f732e7d18c0 (LWP 10610))]

Thread 2 (Thread 0x7f7306d2c700 (LWP 10611)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7327a8f08b in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f7327d8ef00 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f7327a8f0c9 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f732adff0f3 in start_thread (arg=0x7f7306d2c700) at
pthread_create.c:309
#4  0x00007f732a3035ed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f732e7d18c0 (LWP 10610)):
[KCrash Handler]
#6  XRandRMode::size (this=0x0) at
/usr/src/debug/libkscreen-1.0.1/backends/xrandr/xrandrmode.cpp:53
#7  0x00007f7306d376c2 in XRandRConfig::applyKScreenConfig (this=0x2022190,
config=<optimized out>) at
/usr/src/debug/libkscreen-1.0.1/backends/xrandr/xrandrconfig.cpp:168
#8  0x00007f730716cf7f in KScreen::Config::setConfig (config=0x2055f50) at
/usr/src/debug/libkscreen-1.0.1/src/config.cpp:66
#9  0x00007f73073855d9 in KCMKScreen::save (this=0x2026c90) at
/usr/src/debug/kscreen-1.0.1/kcm/src/kcm_kscreen.cpp:213
#10 0x00007f732d9e5927 in KCModuleProxy::save (this=<optimized out>) at
/usr/src/debug/kdelibs-4.10.97/kutils/kcmoduleproxy.cpp:280
#11 0x00007f732d7bb2a3 in ModuleView::moduleSave (this=<optimized out>,
module=<optimized out>) at
/usr/src/debug/kde-workspace-4.10.97/systemsettings/core/ModuleView.cpp:319
#12 0x00007f732d7bd5fa in ModuleView::qt_static_metacall (_o=<optimized out>,
_id=<optimized out>, _a=0x7fffd8a7f2f0, _c=<optimized out>) at
/usr/src/debug/kde-workspace-4.10.97/x86_64-redhat-linux-gnu/systemsettings/core/ModuleView.moc:71
#13 0x00007f732b1adfa8 in QMetaObject::activate (sender=sender at entry=0x1dd7dd0,
m=m at entry=0x7f732c92be20 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7fffd8a7f2f0)
at kernel/qobject.cpp:3547
#14 0x00007f732c4afb92 in QAbstractButton::clicked (this=this at entry=0x1dd7dd0,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#15 0x00007f732c1f3f83 in QAbstractButtonPrivate::emitClicked
(this=this at entry=0x1e3f500) at widgets/qabstractbutton.cpp:548
#16 0x00007f732c1f5337 in QAbstractButtonPrivate::click
(this=this at entry=0x1e3f500) at widgets/qabstractbutton.cpp:541
#17 0x00007f732c1f543c in QAbstractButton::mouseReleaseEvent (this=0x1dd7dd0,
e=0x7fffd8a7f850) at widgets/qabstractbutton.cpp:1123
#18 0x00007f732be80d1a in QWidget::event (this=0x1dd7dd0, event=0x7fffd8a7f850)
at kernel/qwidget.cpp:8376
#19 0x00007f732be2ddac in QApplicationPrivate::notify_helper (this=0x1b43280,
receiver=0x1dd7dd0, e=0x7fffd8a7f850) at kernel/qapplication.cpp:4562
#20 0x00007f732be34899 in QApplication::notify (this=this at entry=0x7fffd8a800c0,
receiver=receiver at entry=0x1dd7dd0, e=e at entry=0x7fffd8a7f850) at
kernel/qapplication.cpp:4105
#21 0x00007f732cde485a in KApplication::notify (this=0x7fffd8a800c0,
receiver=0x1dd7dd0, event=0x7fffd8a7f850) at
/usr/src/debug/kdelibs-4.10.97/kdeui/kernel/kapplication.cpp:311
#22 0x00007f732b1995ed in QCoreApplication::notifyInternal
(this=0x7fffd8a800c0, receiver=0x1dd7dd0, event=0x7fffd8a7f850) at
kernel/qcoreapplication.cpp:949
#23 0x00007f732be33fc7 in QApplicationPrivate::sendMouseEvent
(receiver=0x1dd7dd0, event=0x7fffd8a7f850, alienWidget=0x1dd7dd0,
nativeWidget=0x1ccf090, buttonDown=<optimized out>, lastMouseReceiver=...,
spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#24 0x00007f732bea977b in QETWidget::translateMouseEvent (this=0x1ccf090,
event=<optimized out>) at kernel/qapplication_x11.cpp:4538
#25 0x00007f732bea81ec in QApplication::x11ProcessEvent (this=0x7fffd8a800c0,
event=event at entry=0x7fffd8a7fbc0) at kernel/qapplication_x11.cpp:3661
#26 0x00007f732becfbe4 in x11EventSourceDispatch (s=s at entry=0x1b34270,
callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#27 0x00007f73214de006 in g_main_dispatch (context=0x1b33b40) at gmain.c:3065
#28 g_main_context_dispatch (context=context at entry=0x1b33b40) at gmain.c:3641
#29 0x00007f73214de388 in g_main_context_iterate
(context=context at entry=0x1b33b40, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3712
#30 0x00007f73214de43c in g_main_context_iteration (context=0x1b33b40,
may_block=1) at gmain.c:3773
#31 0x00007f732b1c8185 in QEventDispatcherGlib::processEvents (this=0x1b30140,
flags=...) at kernel/qeventdispatcher_glib.cpp:425
#32 0x00007f732becfd66 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#33 0x00007f732b19812f in QEventLoop::processEvents
(this=this at entry=0x7fffd8a7ffb0, flags=...) at kernel/qeventloop.cpp:149
#34 0x00007f732b19847d in QEventLoop::exec (this=this at entry=0x7fffd8a7ffb0,
flags=...) at kernel/qeventloop.cpp:204
#35 0x00007f732b19d9bb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1221
#36 0x00007f732be2c41c in QApplication::exec () at kernel/qapplication.cpp:3823
#37 0x000000000040abde in main (argc=5, argv=0x7fffd8a80208) at
/usr/src/debug/kde-workspace-4.10.97/systemsettings/app/main.cpp:49

Reported using DrKonqi

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