[kde] [Bug 347308] New: Continued crash of plasma on log-in

Kevin Coonan kevin.coonan at gmail.com
Wed May 6 14:16:32 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=347308

            Bug ID: 347308
           Summary: Continued crash of plasma on log-in
           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: kevin.coonan at gmail.com

Application: plasma-desktop (4.11.17)
KDE Platform Version: 4.14.6
Qt Version: 4.8.6
Operating System: Linux 3.16.7-21-default x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:  used prior Kernel plus
recovery mode.  Pretty sure I had all the desktop effects turned off, certainly
not started when I log in.  Next step is to downgrade every KDE core library to
4.14.3 and evict all KF5 items and see if that fixes it in time for me to keep
my job.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5f79009780 (LWP 2092))]

Thread 3 (Thread 0x7f5f47da0700 (LWP 2258)):
#0  0x00007f5f778fa05f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5f6a1748cb in  () at /usr/lib64/libQtScript.so.4
#2  0x00007f5f6a174909 in  () at /usr/lib64/libQtScript.so.4
#3  0x00007f5f778f60a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5f7666106d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5ebb28a700 (LWP 2320)):
#0  0x00007f5f76658c3d in poll () at /lib64/libc.so.6
#1  0x00007f5f73768be4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5f73768cec in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f5f77cbb0de in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f5eb40008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007f5f77c8ce6f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f5ebb289e20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5f77c8d165 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f5ebb289e20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f5f77b8a0bf in QThread::exec() (this=this at entry=0x1f86110) at
thread/qthread.cpp:538
#7  0x00007f5f77c6e783 in QInotifyFileSystemWatcherEngine::run()
(this=0x1f86110) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f5f77b8c79f in QThreadPrivate::start(void*) (arg=0x1f86110) at
thread/qthread_unix.cpp:349
#9  0x00007f5f778f60a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f5f7666106d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5f79009780 (LWP 2092)):
[KCrash Handler]
#5  0x00007f5f77c9483e in QMetaObject::cast(QObject*) const
(this=0x7f5f6ccd3880 <Plasma::Extender::staticMetaObject>, obj=0x600000) at
kernel/qmetaobject.cpp:274
#6  0x00007f5f6c928b35 in  () at /usr/lib64/libplasma.so.3
#7  0x00007f5f6c92aae3 in  () at /usr/lib64/libplasma.so.3
#8  0x00007f5f6c8d1f27 in  () at /usr/lib64/libplasma.so.3
#9  0x00007f5f4dfef4d6 in
SystemTray::PlasmoidTask::forwardConstraintsEvent(QFlags<Plasma::Constraint>)
() at /usr/lib64/kde4/plasma_applet_systemtray.so
#10 0x00007f5f4dfee0e1 in
SystemTray::PlasmoidProtocol::forwardConstraintsEvent(QFlags<Plasma::Constraint>,
Plasma::Applet*) () at /usr/lib64/kde4/plasma_applet_systemtray.so
#11 0x00007f5f4dfe6919 in
SystemTray::Manager::forwardConstraintsEvent(QFlags<Plasma::Constraint>,
Plasma::Applet*) () at /usr/lib64/kde4/plasma_applet_systemtray.so
#12 0x00007f5f4dff4ac1 in
SystemTray::Applet::constraintsEvent(QFlags<Plasma::Constraint>) () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#13 0x00007f5f6c8d1f3d in  () at /usr/lib64/libplasma.so.3
#14 0x00007f5f6c8eeaa8 in  () at /usr/lib64/libplasma.so.3
#15 0x00007f5f6c8fb8dc in  () at /usr/lib64/libplasma.so.3
#16 0x00007f5f6c8fc2da in Plasma::Corona::loadLayout(QString const&) () at
/usr/lib64/libplasma.so.3
#17 0x00007f5f6c8fc394 in Plasma::Corona::initializeLayout(QString const&) ()
at /usr/lib64/libplasma.so.3
#18 0x00007f5f6157e8f5 in PlasmaApp::corona(bool) () at
/usr/lib64/libkdeinit4_plasma-desktop.so
#19 0x00007f5f6157ef05 in PlasmaApp::setupDesktop() () at
/usr/lib64/libkdeinit4_plasma-desktop.so
#20 0x00007f5f61583235 in PlasmaApp::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.73] () at
/usr/lib64/libkdeinit4_plasma-desktop.so
#21 0x00007f5f77ca659e in QObject::event(QEvent*) (this=0x1ede270, e=<optimized
out>) at kernel/qobject.cpp:1231
#22 0x00007f5f76e0f783 in QApplication::event(QEvent*) () at
/usr/lib64/libQtGui.so.4
#23 0x00007f5f76e0a7bc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQtGui.so.4
#24 0x00007f5f76e10cfd in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQtGui.so.4
#25 0x00007f5f78a31cea in KApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libkdeui.so.5
#26 0x00007f5f77c8e2ad in QCoreApplication::notifyInternal(QObject*, QEvent*)
(this=0x1ede270, receiver=receiver at entry=0x1ede270,
event=event at entry=0x20ac1d0) at kernel/qcoreapplication.cpp:953
#27 0x00007f5f77c9157d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (event=0x20ac1d0, receiver=0x1ede270) at
kernel/qcoreapplication.h:231
#28 0x00007f5f77c9157d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=receiver at entry=0x0, event_type=event_type at entry=0,
data=0x1d37490) at kernel/qcoreapplication.cpp:1577
#29 0x00007f5f77c91a23 in QCoreApplication::sendPostedEvents(QObject*, int)
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1470
#30 0x00007f5f77cbb8fe in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) () at kernel/qcoreapplication.h:236
#31 0x00007f5f77cbb8fe in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x1f77180) at kernel/qeventdispatcher_glib.cpp:300
#32 0x00007f5f73768a04 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#33 0x00007f5f73768c48 in  () at /usr/lib64/libglib-2.0.so.0
#34 0x00007f5f73768cec in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#35 0x00007f5f77cbb0be in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x1f71ff0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#36 0x00007f5f76ea76c6 in  () at /usr/lib64/libQtGui.so.4
#37 0x00007f5f77c8ce6f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffe4f022d50, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f5f77c8d165 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffe4f022d50, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007f5f77c925b9 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1225
#40 0x00007f5f61569b94 in kdemain () at
/usr/lib64/libkdeinit4_plasma-desktop.so
#41 0x0000000000408815 in _start ()

Reported using DrKonqi

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