Bug 379301

Summary:	Starting Plasma desktop failed
Product:	[Unmaintained] plasma4	Reporter:	a12321aabb
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED FIXED
Severity:	crash	Keywords:	drkonqi
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	unspecified
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description a12321aabb 2017-04-28 03:53:09 UTC

Application: plasma-desktop (4.11.22)
KDE Platform Version: 4.14.30
Qt Version: 4.8.7
Operating System: Linux 4.4.38 x86_64
Distribution (Platform): Slackware Packages

-- Information about the crash:
My OS is Slackware-current with KDE 4.14.3.

I can not start Plama.

How can I solve the problem?

Thsnks.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma 桌面 shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#6  0x00007fe329654ed0 in PyType_IsSubtype () at /usr/lib64/libpython2.7.so.1.0
#7  0x00007fe3289ba1b5 in  () at /usr/lib64/python2.7/site-packages/sip.so
#8  0x00007fe3289babd5 in  () at /usr/lib64/python2.7/site-packages/sip.so
#9  0x00007fe328d694dd in  () at /usr/lib64/python2.7/site-packages/PyQt4/QtCore.so
#10 0x00007fe328c5c9d3 in initQtCore () at /usr/lib64/python2.7/site-packages/PyQt4/QtCore.so
#11 0x00007fe3296bbae7 in _PyImport_LoadDynamicModule () at /usr/lib64/libpython2.7.so.1.0
#12 0x00007fe3296b9428 in  () at /usr/lib64/libpython2.7.so.1.0
#13 0x00007fe3296ba32e in PyImport_ImportModuleLevel () at /usr/lib64/libpython2.7.so.1.0
#14 0x00007fe329698f18 in  () at /usr/lib64/libpython2.7.so.1.0
#15 0x00007fe3295eb4a3 in PyObject_Call () at /usr/lib64/libpython2.7.so.1.0
#16 0x00007fe32969aa17 in PyEval_CallObjectWithKeywords () at /usr/lib64/libpython2.7.so.1.0
#17 0x00007fe32969dfb2 in PyEval_EvalFrameEx () at /usr/lib64/libpython2.7.so.1.0
#18 0x00007fe3296a48ac in PyEval_EvalCodeEx () at /usr/lib64/libpython2.7.so.1.0
#19 0x00007fe3296a49c9 in PyEval_EvalCode () at /usr/lib64/libpython2.7.so.1.0
#20 0x00007fe3296b80ac in PyImport_ExecCodeModuleEx () at /usr/lib64/libpython2.7.so.1.0
#21 0x00007fe3296b8410 in  () at /usr/lib64/libpython2.7.so.1.0
#22 0x00007fe3296b9428 in  () at /usr/lib64/libpython2.7.so.1.0
#23 0x00007fe3296ba278 in PyImport_ImportModuleLevel () at /usr/lib64/libpython2.7.so.1.0
#24 0x00007fe329698f18 in  () at /usr/lib64/libpython2.7.so.1.0
#25 0x00007fe3295eb4a3 in PyObject_Call () at /usr/lib64/libpython2.7.so.1.0
#26 0x00007fe3295eb5fb in PyObject_CallFunction () at /usr/lib64/libpython2.7.so.1.0
#27 0x00007fe3296bb0a6 in PyImport_Import () at /usr/lib64/libpython2.7.so.1.0
#28 0x00007fe3296bb22a in PyImport_ImportModule () at /usr/lib64/libpython2.7.so.1.0
#29 0x00007fe3299fff92 in  () at /usr/lib64/kde4/kpythonpluginfactory.so
#30 0x00007fe329a01652 in  () at /usr/lib64/kde4/kpythonpluginfactory.so
#31 0x00007fe34b0ee132 in  () at /usr/lib64/libplasma.so.3
#32 0x00007fe34b0ee9b6 in Plasma::loadScriptEngine(QString const&, Plasma::Applet*) () at /usr/lib64/libplasma.so.3
#33 0x00007fe34b0306e6 in  () at /usr/lib64/libplasma.so.3
#34 0x00007fe34b03577f in Plasma::Applet::Applet(QObject*, QList<QVariant> const&) () at /usr/lib64/libplasma.so.3
#35 0x00007fe34b077acf in Plasma::PluginLoader::loadApplet(QString const&, unsigned int, QList<QVariant> const&) () at /usr/lib64/libplasma.so.3
#36 0x00007fe34b0488a4 in  () at /usr/lib64/libplasma.so.3
#37 0x00007fe34b04b8d6 in Plasma::Containment::restoreContents(KConfigGroup&) () at /usr/lib64/libplasma.so.3
#38 0x00007fe34b047984 in Plasma::Containment::restore(KConfigGroup&) () at /usr/lib64/libplasma.so.3
#39 0x00007fe34b0578f5 in  () at /usr/lib64/libplasma.so.3
#40 0x00007fe34b058b64 in Plasma::Corona::loadLayout(QString const&) () at /usr/lib64/libplasma.so.3
#41 0x00007fe34b058c44 in Plasma::Corona::initializeLayout(QString const&) () at /usr/lib64/libplasma.so.3
#42 0x00007fe33ffe5c08 in  () at /usr/lib64/libkdeinit4_plasma-desktop.so
#43 0x00007fe33ffe809e in  () at /usr/lib64/libkdeinit4_plasma-desktop.so
#44 0x00007fe33ffed445 in  () at /usr/lib64/libkdeinit4_plasma-desktop.so
#45 0x00007fe356e3c8b1 in QObject::event(QEvent*) () at /usr/lib64/qt/lib/libQtCore.so.4
#46 0x00007fe355f7c86f in QApplication::event(QEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#47 0x00007fe355f7749c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#48 0x00007fe355f7df6c in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/qt/lib/libQtGui.so.4
#49 0x00007fe357e848aa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#50 0x00007fe356e23bdd in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/qt/lib/libQtCore.so.4
#51 0x00007fe356e26e3e in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/qt/lib/libQtCore.so.4
#52 0x00007fe356e51ece in  () at /usr/lib64/qt/lib/libQtCore.so.4
#53 0x00007fe3516f9217 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#54 0x00007fe3516f9448 in  () at /usr/lib64/libglib-2.0.so.0
#55 0x00007fe3516f94ec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#56 0x00007fe356e5203e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/qt/lib/libQtCore.so.4
#57 0x00007fe35601a9d6 in  () at /usr/lib64/qt/lib/libQtGui.so.4
#58 0x00007fe356e225a1 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/qt/lib/libQtCore.so.4
#59 0x00007fe356e228b5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/qt/lib/libQtCore.so.4
#60 0x00007fe356e27e99 in QCoreApplication::exec() () at /usr/lib64/qt/lib/libQtCore.so.4
#61 0x00007fe33ffce874 in kdemain () at /usr/lib64/libkdeinit4_plasma-desktop.so
#62 0x0000000000408c01 in  ()
#63 0x00000000004099d7 in  ()
#64 0x000000000040a11a in  ()
#65 0x0000000000405932 in  ()
#66 0x00007fe354edf350 in __libc_start_main () at /lib64/libc.so.6
#67 0x000000000040679a in _start ()

Reported using DrKonqi

Comment 1 Christoph Feck 2017-04-28 10:00:23 UTC

The crash is caused by a third-party Plasma widget written in Python.

Comment 2 a12321aabb 2017-05-20 01:26:55 UTC

Hi,Christoph,

Thanks for your reply.

You are right, this is caused by python widget I installed.

Slackware then update pykde4 package then the problem fixed.

Thanks again for point out what's wrong with my desktop setting.