[kde] [Bug 344801] New: Plasma 5 kcminit5 often crashes on login

[Maxim Therrien]

https://bugs.kde.org/show_bug.cgi?id=344801

            Bug ID: 344801
           Summary: Plasma 5 kcminit5 often crashes on login
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: acerspyro at gmail.com

Application: kdeinit5 ()

Qt Version: 5.4.0
Operating System: Linux 3.18.3-1-desktop x86_64
Distribution: "openSUSE 20150225 (Tumbleweed) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
I was logging in.
- Unusual behavior I noticed:
It happens once out of four log-ins.
First, kcminit5 crashes.
Second, kglobalaccel5 (I think that's what it's called, it's the keyboard
shortcuts manager) crashes.
Third time, I am presented with a black screen.
Fourth time, it logs in correctly and the session is fine, except from the
black bars that are all over plasma, this is a separate problem that started
happening when I tried to use multi-screen.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KCMInit (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdeae0ed780 (LWP 1736))]

Thread 2 (Thread 0x7fde9830a700 (LWP 1737)):
#0  0x00007fdeac4bd4cd in poll () at /lib64/libc.so.6
#1  0x00007fdeaba3c322 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fdeaba3ddef in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fde9a233cd9 in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007fdeac82591f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fdea9d224b4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fdeac4c5a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fdeae0ed780 (LWP 1736)):
[KCrash Handler]
#5  0x00007fdeac88b24f in QHashData::nextNode(QHashData::Node*) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007fdea3749ed8 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007fdea3790373 in  () at /usr/lib64/libQt5DBus.so.5
#8  0x00007fdeaca2f641 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#9  0x00007fdeacaac7ee in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fdeaca3c4d9 in QSocketNotifier::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#11 0x00007fdeab11b1dc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#12 0x00007fdeab1201f0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#13 0x00007fdeac9ffdc5 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#14 0x00007fdeaca58035 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007fdea9007a04 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#16 0x00007fdea9007c48 in  () at /usr/lib64/libglib-2.0.so.0
#17 0x00007fdea9007cec in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#18 0x00007fdeaca570fc in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#19 0x00007fdeac9fdd1b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#20 0x00007fdeaca053a6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#21 0x00007fde9b73281b in KCMInit::KCMInit(KCmdLineArgs*) (this=<optimized
out>, args=<optimized out>) at
/usr/src/debug/plasma-workspace-5.2.0/startkde/kcminit/main.cpp:193
#22 0x00007fde9b73374b in kdemain(int, char**) (argc=1, argv=0x1edcc80) at
/usr/src/debug/plasma-workspace-5.2.0/startkde/kcminit/main.cpp:243
#23 0x0000000000408bd3 in  ()
#24 0x000000000040564f in main ()

Reported using DrKonqi

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