[systemsettings] [Bug 341964] New: kde kscreen crashes when unplugging HDMI

[Jiri Slaby]

https://bugs.kde.org/show_bug.cgi?id=341964

            Bug ID: 341964
           Summary: kde kscreen crashes when unplugging HDMI
           Product: systemsettings
           Version: unspecified
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: jirislaby at gmail.com

Application: kcmshell4 (4.14.3)
KDE Platform Version: 4.14.3
Qt Version: 4.8.6
Operating System: Linux 3.17.6-1.g12b7bf1-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
I unplugged the HDMI connector and it crashed. The screen was somehow shrunk
then on the LVDS.

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f455d420780 (LWP 22613))]

Thread 3 (Thread 0x7f45410e6700 (LWP 22614)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f454e56e8cb in ?? () from /usr/lib64/libQtScript.so.4
#2  0x00007f454e56e909 in ?? () from /usr/lib64/libQtScript.so.4
#3  0x00007f455bcda0a4 in start_thread (arg=0x7f45410e6700) at
pthread_create.c:309
#4  0x00007f455aa467fd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f44bfcbc700 (LWP 22615)):
#0  0x00007f4557b928e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f4557b50bca in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f4557b50cec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f455c09f0de in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQtCore.so.4
#4  0x00007f455c070e6f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#5  0x00007f455c071165 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#6  0x00007f455bf6e0bf in QThread::exec() () from /usr/lib64/libQtCore.so.4
#7  0x00007f455c052783 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00007f455bf7079f in ?? () from /usr/lib64/libQtCore.so.4
#9  0x00007f455bcda0a4 in start_thread (arg=0x7f44bfcbc700) at
pthread_create.c:309
#10 0x00007f455aa467fd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f455d420780 (LWP 22613)):
[KCrash Handler]
#5  0x00007f45410f1c14 in KScreen::Output::id() const () from
/usr/lib64/libkscreen.so.1
#6  0x00007f44bec43464 in XRandRConfig::updateKScreenConfig (this=0x18b4380,
config=0x19f40b0) at
/usr/src/debug/libkscreen-1.0.5/backends/xrandr/xrandrconfig.cpp:160
#7  0x00007f45410f1319 in KScreen::ConfigMonitor::Private::updateConfigs() ()
from /usr/lib64/libkscreen.so.1
#8  0x00007f45410f134d in KScreen::ConfigMonitor::notifyUpdate() () from
/usr/lib64/libkscreen.so.1
#9  0x00007f44bec40c44 in XRandR::updateCrtc (this=<optimized out>,
crtc=<optimized out>) at
/usr/src/debug/libkscreen-1.0.5/backends/xrandr/xrandr.cpp:154
#10 0x00007f455c0861fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/libQtCore.so.4
#11 0x00007f44bec41f17 in outputChanged (_t1=<optimized out>, this=<optimized
out>) at
/usr/src/debug/libkscreen-1.0.5/build/backends/xrandr/xrandrx11helper.moc:119
#12 XRandRX11Helper::x11Event (this=0x18babb0, event=0x7fff2a5dd110) at
/usr/src/debug/libkscreen-1.0.5/backends/xrandr/xrandrx11helper.cpp:147
#13 0x00007f455ce3bdd8 in ?? () from /usr/lib64/libkdeui.so.5
#14 0x00007f455c0641ce in QAbstractEventDispatcher::filterEvent(void*) () from
/usr/lib64/libQtCore.so.4
#15 0x00007f455b28b4f0 in ?? () from /usr/lib64/libQtGui.so.4
#16 0x00007f4557b50a04 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#17 0x00007f4557b50c48 in ?? () from /usr/lib64/libglib-2.0.so.0
#18 0x00007f4557b50cec in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#19 0x00007f455c09f0be in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQtCore.so.4
#20 0x00007f455b28b676 in ?? () from /usr/lib64/libQtGui.so.4
#21 0x00007f455c070e6f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#22 0x00007f455c071165 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#23 0x00007f455b690d1c in QDialog::exec() () from /usr/lib64/libQtGui.so.4
#24 0x00007f4546a6c315 in kdemain () from /usr/lib64/libkdeinit4_kcmshell4.so
#25 0x0000000000408815 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 323923.

Possible duplicates by query: bug 336718, bug 335646, bug 334947.

Reported using DrKonqi

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