[kde] [Bug 403701] New: Displays KCM crashes every time after log into system with external monitor connected

[Alexander Mentyu]

https://bugs.kde.org/show_bug.cgi?id=403701

            Bug ID: 403701
           Summary: Displays KCM crashes every time after log into system
                    with external monitor connected
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: notuxius at gmail.com
  Target Milestone: ---

Application: kcmshell5 (5.15.80)

Qt Version: 5.11.2
Frameworks Version: 5.54.0
Operating System: Linux 4.15.0-42-generic x86_64
Distribution: KDE neon Developer Edition

-- Information about the crash:
- What I was doing when the application crashed:
Started system with ext monitor connected and tried to launch Displays KCM,
previously there ware log outs/ins with configuring displays in the KCM

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings Module (kcmshell5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3cfd6aa380 (LWP 12583))]

Thread 2 (Thread 0x7f3ce1a14700 (LWP 12585)):
#0  0x00007ffe21d80aa3 in clock_gettime ()
#1  0x00007f3cfd006ea6 in __GI___clock_gettime (clock_id=clock_id at entry=1,
tp=tp at entry=0x7f3ce1a13aa0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f3cf9fdcff1 in qt_clock_gettime (ts=0x7f3ce1a13aa0, clock=<optimized
out>) at kernel/qelapsedtimer_unix.cpp:111
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at
kernel/qelapsedtimer_unix.cpp:166
#4  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#5  0x00007f3cf9fdb829 in QTimerInfoList::updateCurrentTime
(this=this at entry=0x7f3cdc004cf0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f3cf9fdbe05 in QTimerInfoList::timerWait (this=0x7f3cdc004cf0,
tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007f3cf9fdd44e in timerSourcePrepareHelper (timeout=0x7f3ce1a13b64,
src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f3ce1a13b64) at
kernel/qeventdispatcher_glib.cpp:165
#9  0x00007f3cf3d6fa98 in g_main_context_prepare () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f3cf3d7046b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f3cf3d7064c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f3cf9fdd6eb in QEventDispatcherGlib::processEvents
(this=0x7f3cdc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#13 0x00007f3cf9f819aa in QEventLoop::exec (this=this at entry=0x7f3ce1a13d30,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:214
#14 0x00007f3cf9dad25a in QThread::exec (this=this at entry=0x7f3cfbb31d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:525
#15 0x00007f3cfb8b9e45 in QDBusConnectionManager::run (this=0x7f3cfbb31d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#16 0x00007f3cf9db817b in QThreadPrivate::start (arg=0x7f3cfbb31d60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:367
#17 0x00007f3cf68046db in start_thread (arg=0x7f3ce1a14700) at
pthread_create.c:463
#18 0x00007f3cfcff788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f3cfd6aa380 (LWP 12583)):
[KCrash Handler]
#5  KScreen::GetConfigOperation::start (this=0x5640990d2130) at
./src/getconfigoperation.cpp:174
#6  0x00007f3cf9fb3282 in QObject::event (this=0x5640990d2130, e=<optimized
out>) at kernel/qobject.cpp:1251
#7  0x00007f3cfad10e1c in QApplicationPrivate::notify_helper
(this=this at entry=0x564098fe0620, receiver=receiver at entry=0x5640990d2130,
e=e at entry=0x7f3ce40066e0) at kernel/qapplication.cpp:3727
#8  0x00007f3cfad183ef in QApplication::notify (this=0x7ffe21d42f00,
receiver=0x5640990d2130, e=0x7f3ce40066e0) at kernel/qapplication.cpp:3486
#9  0x00007f3cf9f83688 in QCoreApplication::notifyInternal2
(receiver=0x5640990d2130, event=event at entry=0x7f3ce40066e0) at
kernel/qcoreapplication.cpp:1048
#10 0x00007f3cf9f861cd in QCoreApplication::sendEvent (event=0x7f3ce40066e0,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#11 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0x564098fd7210) at
kernel/qcoreapplication.cpp:1745
#12 0x00007f3cf9f86788 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1599
#13 0x00007f3cf9fde093 in postEventSourceDispatch (s=0x564099037190) at
kernel/qeventdispatcher_glib.cpp:276
#14 0x00007f3cf3d70387 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f3cf3d705c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f3cf3d7064c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f3cf9fdd6cf in QEventDispatcherGlib::processEvents
(this=0x56409902f4e0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#18 0x00007f3cec88c761 in QPAEventDispatcherGlib::processEvents
(this=0x56409902f4e0, flags=...) at qeventdispatcher_glib.cpp:69
#19 0x00007f3cf9f819aa in QEventLoop::exec (this=this at entry=0x7ffe21d42dd0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:214
#20 0x00007f3cf9f8ab70 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1336
#21 0x00007f3cfa50a9cc in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1762
#22 0x00007f3cfad10d75 in QApplication::exec () at kernel/qapplication.cpp:2901
#23 0x00007f3cfd2d01b4 in kdemain (_argc=<optimized out>, _argv=<optimized
out>) at ./kcmshell/main.cpp:328
#24 0x00007f3cfcef7b97 in __libc_start_main (main=0x564097a7c720 <main>,
argc=2, argv=0x7ffe21d43058, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe21d43048) at ../csu/libc-start.c:310
#25 0x0000564097a7c75a in _start ()

Reported using DrKonqi

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