[Bug 280110] New: Printer applet crashes on dbus-daemon restart

GDR! gdr at go2.pl
Mon Aug 15 10:00:10 BST 2011 

https://bugs.kde.org/show_bug.cgi?id=280110

           Summary: Printer applet crashes on dbus-daemon restart
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: gdr at go2.pl


Application: python2 (1.6)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:

I have restarted a hanging dbus daemon. Printer applet has crashed immediately.

The crash can be reproduced every time.

-- Backtrace:
Application: Printer Applet (python2.7), signal: Segmentation fault
[KCrash Handler]
#6  QSocketNotifier::setEnabled (this=0x1d91a70, enable=true) at
kernel/qsocketnotifier.cpp:293
#7  0x00007f508116c489 in ?? () from
/usr/lib/pymodules/python2.7/dbus/mainloop/qt.so
#8  0x00007f508116ccd0 in ?? () from
/usr/lib/pymodules/python2.7/dbus/mainloop/qt.so
#9  0x00007f508c7275f8 in QMetaObject::activate (sender=0x1d91a70, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0x7fffcc795080)
at kernel/qobject.cpp:3287
#10 0x00007f508c76eb7e in QSocketNotifier::activated (this=<value optimized
out>, _t1=11) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#11 0x00007f508c72cf4b in QSocketNotifier::event (this=0x1d91a70,
e=0x7fffcc795740) at kernel/qsocketnotifier.cpp:317
#12 0x00007f508a1619f4 in QApplicationPrivate::notify_helper (this=0x1be8350,
receiver=0x1d91a70, e=0x7fffcc795740) at kernel/qapplication.cpp:4462
#13 0x00007f508a1663ba in QApplication::notify (this=<value optimized out>,
receiver=0x1d91a70, e=0x7fffcc795740) at kernel/qapplication.cpp:4341
#14 0x00007f5084685866 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#15 0x00007f50850a86c6 in sipKApplication::notify(QObject*, QEvent*) () from
/usr/lib/pymodules/python2.7/PyKDE4/kdeui.so
#16 0x00007f508c71249c in QCoreApplication::notifyInternal (this=0x1c7e320,
receiver=0x1d91a70, event=0x7fffcc795740) at kernel/qcoreapplication.cpp:731
#17 0x00007f508c73cda9 in sendEvent (source=0x1c77160) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 socketNotifierSourceDispatch (source=0x1c77160) at
kernel/qeventdispatcher_glib.cpp:110
#19 0x00007f508b9e1bcd in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f508b9e23a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f508b9e2639 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f508c73d3ef in QEventDispatcherGlib::processEvents (this=0x17ce6c0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#23 0x00007f508a20b4de in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f508c711882 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f508c711abc in QEventLoop::exec (this=0x7fffcc795970, flags=...) at
kernel/qeventloop.cpp:201
#26 0x00007f508c715ecb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#27 0x00007f508b0cd4ab in ?? () from
/usr/lib/pymodules/python2.7/PyQt4/QtGui.so
#28 0x00000000004965f1 in call_function (f=<value optimized out>,
throwflag=<value optimized out>) at ../Python/ceval.c:4013
#29 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized
out>) at ../Python/ceval.c:2666
#30 0x000000000049d325 in PyEval_EvalCodeEx (co=0x145d630, globals=<value
optimized out>, locals=<value optimized out>, args=<value optimized out>,
argcount=<value optimized out>, kws=<value optimized out>, kwcount=0, defs=0x0,
defcount=0, closure=0x0) at ../Python/ceval.c:3253
#31 0x00000000004ecb02 in PyEval_EvalCode (co=<value optimized out>,
globals=<value optimized out>, locals=<value optimized out>) at
../Python/ceval.c:667
#32 0x00000000004fdc74 in run_mod (mod=<value optimized out>, filename=<value
optimized out>, globals={'qUncompress': <built-in function qUncompress>,
'Q_ENUMS': <built-in function Q_ENUMS>, 'text': <KLocalizedString at remote
0x1b19050>, 'QState': <PyQt4.QtCore.pyqtWrapperType at remote 0x15dfff0>,
'subprocess': <module at remote 0x1460ec0>, 'QProcessEnvironment':
<PyQt4.QtCore.pyqtWrapperType at remote 0x15d4b20>, 'qRound64': <built-in
function qRound64>, 'QDir': <PyQt4.QtCore.pyqtWrapperType at remote 0x15b51e0>,
'authconn': <module at remote 0x1b02440>, 'qRound': <built-in function qRound>,
'noforcesign': <built-in function noforcesign>, 'QVariantAnimation':
<PyQt4.QtCore.pyqtWrapperType at remote 0x15d5330>, 'QSignalMapper':
<PyQt4.QtCore.pyqtWrapperType at remote 0x15dc6e0>, 'MainWindow':
<PyQt4.QtCore.pyqtWrapperType at remote 0x1bde420>, 'KStatusNotifierItem':
<PyQt4.QtCore.pyqtWrapperType at remote 0x1a32260>, 'QHeaderView':
<PyQt4.QtCore.pyqtWrapperType at remote 0x1564980>, 'aboutData': <KAboutData at
remote 0x1b190e0>, 'monitor': <module at remote 0x1b30718>, 'copyright':
<KLocalizedString at remo...(truncated), locals={'qUncompress': <built-in
function qUncompress>, 'Q_ENUMS': <built-in function Q_ENUMS>, 'text':
<KLocalizedString at remote 0x1b19050>, 'QState': <PyQt4.QtCore.pyqtWrapperType
at remote 0x15dfff0>, 'subprocess': <module at remote 0x1460ec0>,
'QProcessEnvironment': <PyQt4.QtCore.pyqtWrapperType at remote 0x15d4b20>,
'qRound64': <built-in function qRound64>, 'QDir': <PyQt4.QtCore.pyqtWrapperType
at remote 0x15b51e0>, 'authconn': <module at remote 0x1b02440>, 'qRound':
<built-in function qRound>, 'noforcesign': <built-in function noforcesign>,
'QVariantAnimation': <PyQt4.QtCore.pyqtWrapperType at remote 0x15d5330>,
'QSignalMapper': <PyQt4.QtCore.pyqtWrapperType at remote 0x15dc6e0>,
'MainWindow': <PyQt4.QtCore.pyqtWrapperType at remote 0x1bde420>,
'KStatusNotifierItem': <PyQt4.QtCore.pyqtWrapperType at remote 0x1a32260>,
'QHeaderView': <PyQt4.QtCore.pyqtWrapperType at remote 0x1564980>, 'aboutData':
<KAboutData at remote 0x1b190e0>, 'monitor': <module at remote 0x1b30718>,
'copyright': <KLocalizedString at remo...(truncated), flags=<value optimized
out>, arena=<value optimized out>) at ../Python/pythonrun.c:1346
#33 0x000000000042c182 in PyRun_FileExFlags (fp=0x1498200,
filename=0x7fffcc796b2d "/usr/bin/printer-applet", start=<value optimized out>,
globals={'qUncompress': <built-in function qUncompress>, 'Q_ENUMS': <built-in
function Q_ENUMS>, 'text': <KLocalizedString at remote 0x1b19050>, 'QState':
<PyQt4.QtCore.pyqtWrapperType at remote 0x15dfff0>, 'subprocess': <module at
remote 0x1460ec0>, 'QProcessEnvironment': <PyQt4.QtCore.pyqtWrapperType at
remote 0x15d4b20>, 'qRound64': <built-in function qRound64>, 'QDir':
<PyQt4.QtCore.pyqtWrapperType at remote 0x15b51e0>, 'authconn': <module at
remote 0x1b02440>, 'qRound': <built-in function qRound>, 'noforcesign':
<built-in function noforcesign>, 'QVariantAnimation':
<PyQt4.QtCore.pyqtWrapperType at remote 0x15d5330>, 'QSignalMapper':
<PyQt4.QtCore.pyqtWrapperType at remote 0x15dc6e0>, 'MainWindow':
<PyQt4.QtCore.pyqtWrapperType at remote 0x1bde420>, 'KStatusNotifierItem':
<PyQt4.QtCore.pyqtWrapperType at remote 0x1a32260>, 'QHeaderView':
<PyQt4.QtCore.pyqtWrapperType at remote 0x1564980>, 'aboutData': <KAboutData at
remote 0x1b190e0>, 'monitor': <module at remote 0x1b30718>, 'copyright':
<KLocalizedString at remo...(truncated), locals={'qUncompress': <built-in
function qUncompress>, 'Q_ENUMS': <built-in function Q_ENUMS>, 'text':
<KLocalizedString at remote 0x1b19050>, 'QState': <PyQt4.QtCore.pyqtWrapperType
at remote 0x15dfff0>, 'subprocess': <module at remote 0x1460ec0>,
'QProcessEnvironment': <PyQt4.QtCore.pyqtWrapperType at remote 0x15d4b20>,
'qRound64': <built-in function qRound64>, 'QDir': <PyQt4.QtCore.pyqtWrapperType
at remote 0x15b51e0>, 'authconn': <module at remote 0x1b02440>, 'qRound':
<built-in function qRound>, 'noforcesign': <built-in function noforcesign>,
'QVariantAnimation': <PyQt4.QtCore.pyqtWrapperType at remote 0x15d5330>,
'QSignalMapper': <PyQt4.QtCore.pyqtWrapperType at remote 0x15dc6e0>,
'MainWindow': <PyQt4.QtCore.pyqtWrapperType at remote 0x1bde420>,
'KStatusNotifierItem': <PyQt4.QtCore.pyqtWrapperType at remote 0x1a32260>,
'QHeaderView': <PyQt4.QtCore.pyqtWrapperType at remote 0x1564980>, 'aboutData':
<KAboutData at remote 0x1b190e0>, 'monitor': <module at remote 0x1b30718>,
'copyright': <KLocalizedString at remo...(truncated), closeit=1,
flags=0x7fffcc795e10) at ../Python/pythonrun.c:1332
#34 0x000000000042cb4a in PyRun_SimpleFileExFlags (fp=0x1498200,
filename=<value optimized out>, closeit=1, flags=0x7fffcc795e10) at
../Python/pythonrun.c:936
#35 0x0000000000418c9e in Py_Main (argc=<value optimized out>,
argv=0x7fffcc795f38) at ../Modules/main.c:599
#36 0x00007f508d2b3eff in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#37 0x00000000004c62b1 in _start ()

Possible duplicates by query: bug 276214.

Reported using DrKonqi

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