[kde] [Bug 350627] New: Login screen (SDDM) crash

MikoĊ‚aj koropecki.mikolaj at gmail.com
Sun Jul 26 13:06:28 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=350627

            Bug ID: 350627
           Summary: Login screen (SDDM) crash
           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: koropecki.mikolaj at gmail.com

Application: kcmshell5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-23-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I have already changed graphic driver for my GTX 650 from nouveau to
recommended by Driver manager . After this I wasn't able to run this app. After
reboot on the logon screen I didn't notice the GUI dropdown on the left hand
side, where you can switch beetwen plasma and other GUi's.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Control Module (kcmshell5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2e68648800 (LWP 15517))]

Thread 4 (Thread 0x7f2e51dcf700 (LWP 15518)):
#0  0x00007f2e681238dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2e60779b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2e6077b64f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2e545a3099 in QXcbEventReader::run (this=0x23c33e0) at
qxcbconnection.cpp:1105
#4  0x00007f2e66183b0e in QThreadPrivate::start (arg=0x23c33e0) at
thread/qthread_unix.cpp:337
#5  0x00007f2e65bb76aa in start_thread (arg=0x7f2e51dcf700) at
pthread_create.c:333
#6  0x00007f2e6812eeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f2e4afc7700 (LWP 15521)):
#0  0x00007f2e6811f49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2e5a1b1f45 in ?? () from
/usr/lib/nvidia-346/tls/libnvidia-tls.so.346.59
#2  0x00007f2e6008d2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2e6004996c in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2e60049e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2e6004a242 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f2e4b4d7af6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f2e60070955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f2e65bb76aa in start_thread (arg=0x7f2e4afc7700) at
pthread_create.c:333
#9  0x00007f2e6812eeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f2e49f87700 (LWP 15522)):
#0  0x00007f2e6008e7a4 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2e600498b9 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2e60049e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2e60049fcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2e6641ac6c in QEventDispatcherGlib::processEvents
(this=0x7f2e3c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f2e663bf3e2 in QEventLoop::exec (this=this at entry=0x7f2e49f86da0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2e6617eb44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x00007f2e655b9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f2e66183b0e in QThreadPrivate::start (arg=0x2541d90) at
thread/qthread_unix.cpp:337
#9  0x00007f2e65bb76aa in start_thread (arg=0x7f2e49f87700) at
pthread_create.c:333
#10 0x00007f2e6812eeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2e68648800 (LWP 15517)):
[KCrash Handler]
#6  0x00007f2e6805d267 in __GI_raise (sig=sig at entry=6) at
../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f2e6805eeca in __GI_abort () at abort.c:89
#8  0x00007f2e66170edf in qt_message_fatal (context=..., message=...) at
global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=0x7ffde13520f0, msg=<optimized out>) at
global/qlogging.cpp:636
#10 0x00007f2e501e094a in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#11 0x00007f2e501e0c5a in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#12 0x00007f2e501e1a65 in QQuickWidget::resizeEvent(QResizeEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#13 0x00007f2e667c7a2e in QWidget::event (this=0x2516470, event=0x7ffde13524c0)
at kernel/qwidget.cpp:8817
#14 0x00007f2e66783b2c in QApplicationPrivate::notify_helper (this=0x2398020,
receiver=0x2516470, e=0x7ffde13524c0) at kernel/qapplication.cpp:3720
#15 0x00007f2e66789000 in QApplication::notify (this=0x7ffde1353270,
receiver=0x2516470, e=0x7ffde13524c0) at kernel/qapplication.cpp:3503
#16 0x00007f2e663c1c2b in QCoreApplication::notifyInternal
(this=0x7ffde1353270, receiver=receiver at entry=0x2516470,
event=event at entry=0x7ffde13524c0) at kernel/qcoreapplication.cpp:935
#17 0x00007f2e667c0831 in sendEvent (event=0x7ffde13524c0, receiver=0x2516470)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#18 QWidgetPrivate::sendPendingMoveAndResizeEvents (this=this at entry=0x2531e80,
recursive=recursive at entry=false, disableUpdates=<optimized out>,
disableUpdates at entry=false) at kernel/qwidget.cpp:7680
#19 0x00007f2e667c4741 in QWidgetPrivate::show_helper
(this=this at entry=0x2531e80) at kernel/qwidget.cpp:7731
#20 0x00007f2e667c6ae5 in QWidget::setVisible (this=0x2516470,
visible=<optimized out>) at kernel/qwidget.cpp:8086
#21 0x00007f2e667c46d0 in QWidgetPrivate::showChildren
(this=this at entry=0x2534200, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8169
#22 0x00007f2e667c475d in QWidgetPrivate::show_helper
(this=this at entry=0x2534200) at kernel/qwidget.cpp:7737
#23 0x00007f2e667c6ae5 in QWidget::setVisible (this=0x253ac60,
visible=<optimized out>) at kernel/qwidget.cpp:8086
#24 0x00007f2e667c46d0 in QWidgetPrivate::showChildren
(this=this at entry=0x253a2f0, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8169
#25 0x00007f2e667c475d in QWidgetPrivate::show_helper (this=0x253a2f0) at
kernel/qwidget.cpp:7737
#26 0x00007f2e667c4596 in QWidgetPrivate::show_recursive (this=<optimized out>)
at kernel/qwidget.cpp:7661
#27 0x00007f2e667c46ba in QWidgetPrivate::showChildren
(this=this at entry=0x252c8a0, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8167
#28 0x00007f2e667c475d in QWidgetPrivate::show_helper
(this=this at entry=0x252c8a0) at kernel/qwidget.cpp:7737
#29 0x00007f2e667c6ae5 in QWidget::setVisible (this=0x24fda80,
visible=<optimized out>) at kernel/qwidget.cpp:8086
#30 0x00007f2e667c46d0 in QWidgetPrivate::showChildren
(this=this at entry=0x252ed00, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8169
#31 0x00007f2e667c475d in QWidgetPrivate::show_helper
(this=this at entry=0x252ed00) at kernel/qwidget.cpp:7737
#32 0x00007f2e667c6ae5 in QWidget::setVisible (this=0x25524c0,
visible=<optimized out>) at kernel/qwidget.cpp:8086
#33 0x00007f2e667c46d0 in QWidgetPrivate::showChildren
(this=this at entry=0x24ec740, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8169
#34 0x00007f2e667c475d in QWidgetPrivate::show_helper
(this=this at entry=0x24ec740) at kernel/qwidget.cpp:7737
#35 0x00007f2e667c6ae5 in QWidget::setVisible (this=0x24ecfd0,
visible=<optimized out>) at kernel/qwidget.cpp:8086
#36 0x00007f2e667c46d0 in QWidgetPrivate::showChildren
(this=this at entry=0x24de000, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8169
#37 0x00007f2e667c475d in QWidgetPrivate::show_helper (this=0x24de000) at
kernel/qwidget.cpp:7737
#38 0x00007f2e667c4596 in QWidgetPrivate::show_recursive (this=<optimized out>)
at kernel/qwidget.cpp:7661
#39 0x00007f2e667c46ba in QWidgetPrivate::showChildren
(this=this at entry=0x2549d80, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8167
#40 0x00007f2e667c475d in QWidgetPrivate::show_helper (this=0x2549d80) at
kernel/qwidget.cpp:7737
#41 0x00007f2e667c4596 in QWidgetPrivate::show_recursive (this=<optimized out>)
at kernel/qwidget.cpp:7661
#42 0x00007f2e667c46ba in QWidgetPrivate::showChildren
(this=this at entry=0x24d5ec0, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8167
#43 0x00007f2e667c475d in QWidgetPrivate::show_helper
(this=this at entry=0x24d5ec0) at kernel/qwidget.cpp:7737
#44 0x00007f2e667c6ae5 in QWidget::setVisible (this=0x24d0670,
visible=<optimized out>) at kernel/qwidget.cpp:8086
#45 0x00007f2e667c46d0 in QWidgetPrivate::showChildren
(this=this at entry=0x24c8000, spontaneous=spontaneous at entry=false) at
kernel/qwidget.cpp:8169
#46 0x00007f2e667c475d in QWidgetPrivate::show_helper
(this=this at entry=0x24c8000) at kernel/qwidget.cpp:7737
#47 0x00007f2e667c6ae5 in QWidget::setVisible (this=this at entry=0x24cc770,
visible=visible at entry=true) at kernel/qwidget.cpp:8086
#48 0x00007f2e66985948 in QDialog::setVisible (this=0x24cc770,
visible=<optimized out>) at dialogs/qdialog.cpp:727
#49 0x00007f2e66985341 in QDialog::exec (this=0x24cc770) at
dialogs/qdialog.cpp:533
#50 0x00007f2e684009cb in kdemain (_argc=<optimized out>, _argv=<optimized
out>) at ../../kcmshell/main.cpp:307
#51 0x00007f2e68048a40 in __libc_start_main (main=0x400730 <main(int, char**)>,
argc=2, argv=0x7ffde13533b8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffde13533a8) at libc-start.c:289
#52 0x0000000000400769 in _start ()

Reported using DrKonqi

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