[kde] [Bug 346850] New: configurator login screen (SDDM) did not start.

Tue Apr 28 16:38:58 BST 2015

https://bugs.kde.org/show_bug.cgi?id=346850

            Bug ID: 346850
           Summary: configurator login screen (SDDM) did not start.
           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: przemek.slodkowski at gmail.com

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed: The error occurred when
attempting to run the configurator "logon screen (SDDM)". Configurator does not
start up.

The crash can be reproduced every time.

-- Backtrace:
Application: Ustawienia systemowe (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f60e495c780 (LWP 32543))]

Thread 4 (Thread 0x7f60d2055700 (LWP 32544)):
#0  0x00007f60e10be8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f60df3d8b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f60df3da64f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f60d4de8099 in QXcbEventReader::run (this=0x1c09970) at
qxcbconnection.cpp:1105
#4  0x00007f60e173fb0e in QThreadPrivate::start (arg=0x1c09970) at
thread/qthread_unix.cpp:337
#5  0x00007f60de2f26aa in start_thread (arg=0x7f60d2055700) at
pthread_create.c:333
#6  0x00007f60e10c9eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f60b5d14700 (LWP 32568)):
#0  0x00007f60e10ba49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f60da23af45 in ?? () from
/usr/lib/nvidia-346-updates/tls/libnvidia-tls.so.346.59
#2  0x00007f60dde172f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f60dddd396c in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f60dddd3e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f60dddd4242 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f60b0b8eae6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f60dddfa955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f60de2f26aa in start_thread (arg=0x7f60b5d14700) at
pthread_create.c:333
#9  0x00007f60e10c9eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f608314b700 (LWP 1164)):
#0  0x00007f60e10be8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f60dddd3ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f60dddd3fcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f60e19d6c6c in QEventDispatcherGlib::processEvents
(this=0x7f607c002880, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f60e197b3e2 in QEventLoop::exec (this=this at entry=0x7f608314ae20,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f60e173ab44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#6  0x00007f60e0705f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f60e173fb0e in QThreadPrivate::start (arg=0x337e490) at
thread/qthread_unix.cpp:337
#8  0x00007f60de2f26aa in start_thread (arg=0x7f608314b700) at
pthread_create.c:333
#9  0x00007f60e10c9eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f60e495c780 (LWP 32543)):
[KCrash Handler]
#6  glViewport (height=706, width=<optimized out>, y=0, x=0, this=0x4811610) at
../../include/QtGui/../../src/gui/opengl/qopenglfunctions.h:1059
#7  QPlatformBackingStore::composeAndFlush (this=this at entry=0x1e28580,
window=window at entry=0x1e349b0, region=..., offset=..., textures=0x4579260,
context=0x42ed3b0, translucentBackground=false) at
painting/qplatformbackingstore.cpp:241
#8  0x00007f60d4dfec37 in QXcbBackingStore::composeAndFlush (this=0x1e28580,
window=0x1e349b0, region=..., offset=..., textures=<optimized out>,
context=<optimized out>, translucentBackground=false) at
qxcbbackingstore.cpp:340
#9  0x00007f60e2774adb in QWidgetBackingStore::qt_flush (widget=0x1d24110,
region=..., backingStore=0x7f60d4dfec20
<QXcbBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&,
QPlatformTextureList*, QOpenGLContext*, bool)>, tlw=0x0, tlwOffset=...,
widgetTextures=0x4579260, widgetBackingStore=0x1e28580) at
kernel/qwidgetbackingstore.cpp:114
#10 0x00007f60e2775995 in QWidgetBackingStore::flush (this=0x1e1f330,
widget=0x0) at kernel/qwidgetbackingstore.cpp:1245
#11 0x00007f60e2777150 in endPaint (beginPaintInfo=<optimized out>,
backingStore=<optimized out>, cleaned=..., this=<optimized out>) at
kernel/qwidgetbackingstore.cpp:335
#12 QWidgetBackingStore::doSync (this=0x0, this at entry=0x1e1f330) at
kernel/qwidgetbackingstore.cpp:1233
#13 0x00007f60e27774d9 in QWidgetBackingStore::sync (this=0x1e1f330) at
kernel/qwidgetbackingstore.cpp:1036
#14 0x00007f60e279825f in QWidgetPrivate::syncBackingStore (this=0x1d242f0) at
kernel/qwidget.cpp:1886
#15 0x00007f60e27ad298 in QWidget::event (this=this at entry=0x1d24110,
event=event at entry=0x44cf710) at kernel/qwidget.cpp:8961
#16 0x00007f60e28c252b in QMainWindow::event (this=this at entry=0x1d24110,
event=event at entry=0x44cf710) at widgets/qmainwindow.cpp:1495
#17 0x00007f60e3911737 in KMainWindow::event (this=this at entry=0x1d24110,
ev=ev at entry=0x44cf710) at ../../src/kmainwindow.cpp:806
#18 0x00007f60e394af85 in KXmlGuiWindow::event (this=0x1d24110, ev=0x44cf710)
at ../../src/kxmlguiwindow.cpp:118
#19 0x00007f60e2769b2c in QApplicationPrivate::notify_helper (this=0x1be05b0,
receiver=0x1d24110, e=0x44cf710) at kernel/qapplication.cpp:3720
#20 0x00007f60e276f000 in QApplication::notify (this=0x7ffea8743c20,
receiver=0x1d24110, e=0x44cf710) at kernel/qapplication.cpp:3503
#21 0x00007f60e197dc2b in QCoreApplication::notifyInternal
(this=0x7ffea8743c20, receiver=0x1d24110, event=event at entry=0x44cf710) at
kernel/qcoreapplication.cpp:935
#22 0x00007f60e197fc9b in sendEvent (event=0x44cf710, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver at entry=0x0,
event_type=event_type at entry=0, data=0x1bdf800) at
kernel/qcoreapplication.cpp:1552
#24 0x00007f60e1980298 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1410
#25 0x00007f60e19d6843 in postEventSourceDispatch (s=0x1c3eeb0) at
kernel/qeventdispatcher_glib.cpp:271
#26 0x00007f60dddd3c3d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f60dddd3f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f60dddd3fcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f60e19d6c57 in QEventDispatcherGlib::processEvents (this=0x1c481d0,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#30 0x00007f60e197b3e2 in QEventLoop::exec (this=this at entry=0x7ffea8743b00,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#31 0x00007f60e198302c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#32 0x00007f60e21a431c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#33 0x00007f60e27657a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#34 0x000000000040eebc in main (argc=1, argv=<optimized out>) at
../../app/main.cpp:54

Reported using DrKonqi

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