Re: 100% CPU from kde-plasma-desktop - backtrace

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On 07/13/2011 02:36 PM, Genes MailLists wrote:

>>>
>>>    Ok no problem - so if I install kdebase-workspace-debuginfo and run
>>> gdb next time it happens - it will be more useful right?
>>
>> yes (hopefully).
>>
> 
>  installed - will report back next time plasma-desk gets upset ... she
> has a bit of a temper so should be less than a week before she has
> another tantrum .. :-)
> 

  Ok it happened again - brought into debugger - broke - got backtrace -
continued and repeated - I get the following 2 (hope it means something
to someone ...)



(gdb) bt
#0  0x00000039c90d7293 in poll () from /lib64/libc.so.6
#1  0x00000039cc042d24 in ?? () from /lib64/libglib-2.0.so.0
#2  0x00000039cc04325c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x0000003b1ef84d0f in QEventDispatcherGlib::processEvents
(this=0x13227e0, flags=<optimized out>)
    at kernel/qeventdispatcher_glib.cpp:422
#4  0x0000003157859fde in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>)
    at kernel/qguieventdispatcher_glib.cpp:207
#5  0x0000003b1ef596c2 in QEventLoop::processEvents (this=<optimized
out>, flags=...)
    at kernel/qeventloop.cpp:149
#6  0x0000003b1ef598bf in QEventLoop::exec (this=0x7fff4baf5dc0,
flags=...) at kernel/qeventloop.cpp:201
#7  0x0000003b1ef5da07 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#8  0x000000315e83f203 in kdemain (argc=2, argv=0x7fff4baf61a8)
    at
/usr/src/debug/kdebase-workspace-4.6.5/plasma/desktop/shell/main.cpp:120
#9  0x00000039c902139d in __libc_start_main () from /lib64/libc.so.6
#10 0x00000000004008c1 in _start ()
-------------------------------------------------------------------------------
(gdb) bt
#0  0x00000039c90d2845 in _xstat () from /lib64/libc.so.6
#1  0x00000039c909d3fd in __tzfile_read () from /lib64/libc.so.6
#2  0x00000039c909cd57 in tzset_internal.part.0 () from /lib64/libc.so.6
#3  0x00000039c909cfeb in tzset () from /lib64/libc.so.6
#4  0x0000003b1ee82700 in QTime::currentTime () at tools/qdatetime.cpp:3094
#5  0x0000003b1ee827e9 in QTime::start (this=0x2202cd0) at
tools/qdatetime.cpp:1951
#6  0x000000315f738782 in Plasma::DataContainer::setData(QString const&,
QVariant const&) ()
   from /usr/lib64/libplasma.so.3
#7  0x00007f0903385b8b in SystemMonitorEngine::answerReceived
(this=0x1ca1b60, id=<optimized out>, answer=...)
    at
/usr/src/debug/kdebase-workspace-4.6.5/plasma/generic/dataengines/systemmonitor/systemmonitor.cpp:133
#8  0x00007f0903173148 in KSGRD::SensorAgent::processAnswer
(this=0x1c9dd50, buf=<optimized out>,
    buflen=<optimized out>) at
/usr/src/debug/kdebase-workspace-4.6.5/ksysguard/gui/ksgrd/SensorAgent.cpp:184
#9  0x00007f090317bc3e in KSGRD::SensorShellAgent::msgRcvd (this=0x1c9dd50)
    at
/usr/src/debug/kdebase-workspace-4.6.5/ksysguard/gui/ksgrd/SensorShellAgent.cpp:91
#10 0x00007f090317c578 in KSGRD::SensorShellAgent::qt_metacall
(this=0x1c9dd50, _c=
    QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff4baf5310)
    at
/usr/src/debug/kdebase-workspace-4.6.5/x86_64-redhat-linux-gnu/ksysguard/gui/ksgrd/SensorShellAgent.moc:78
#11 0x0000003b1ef6ceba in QMetaObject::activate (sender=0x1c995f0,
m=<optimized out>,
    local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#12 0x0000003b1eefe4fb in QProcessPrivate::_q_canReadStandardOutput
(this=0x1c97d50) at io/qprocess.cpp:897
#13 0x0000003b1eeff8c9 in QProcess::qt_metacall (this=0x1c995f0,
_c=QMetaObject::InvokeMetaMethod, _id=9, _a=
    0x7fff4baf5510) at .moc/release-shared/moc_qprocess.cpp:107
#14 0x00000031571218b8 in KProcess::qt_metacall(QMetaObject::Call, int,
void**) ()
   from /usr/lib64/libkdecore.so.5
#15 0x0000003b1ef6ceba in QMetaObject::activate (sender=0x1c97930,
m=<optimized out>,
    local_signal_index=<optimized out>, argv=0x7fff4baf5510) at
kernel/qobject.cpp:3278
#16 0x0000003b1efb5e4e in QSocketNotifier::activated (this=<optimized
out>, _t1=17)
    at .moc/release-shared/moc_qsocketnotifier.cpp:89
#17 0x0000003b1ef74c0b in QSocketNotifier::event (this=0x1c97930,
e=0x7fff4baf5b80)
    at kernel/qsocketnotifier.cpp:317
#18 0x00000031577b7444 in notify_helper (e=0x7fff4baf5b80,
receiver=0x1c97930, this=0x138a100)
    at kernel/qapplication.cpp:4462
#19 QApplicationPrivate::notify_helper (this=0x138a100,
receiver=0x1c97930, e=0x7fff4baf5b80)
    at kernel/qapplication.cpp:4434
#20 0x00000031577bc2d1 in QApplication::notify (this=0x136ac10,
receiver=0x1c97930, e=0x7fff4baf5b80)
    at kernel/qapplication.cpp:4341
#21 0x0000003158e41d56 in KApplication::notify(QObject*, QEvent*) ()
from /usr/lib64/libkdeui.so.5
#22 0x0000003b1ef5a1ac in QCoreApplication::notifyInternal
(this=0x136ac10, receiver=0x1c97930, event=
    0x7fff4baf5b80) at kernel/qcoreapplication.cpp:731
#23 0x0000003b1ef84427 in sendEvent (event=0x7fff4baf5b80,
receiver=<optimized out>)
    at kernel/qcoreapplication.h:215
#24 socketNotifierSourceDispatch (source=0x138c9d0) at
kernel/qeventdispatcher_glib.cpp:110
#25 0x00000039cc0427ed in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#26 0x00000039cc042fc8 in ?? () from /lib64/libglib-2.0.so.0
#27 0x00000039cc04325c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#28 0x0000003b1ef84d0f in QEventDispatcherGlib::processEvents
(this=0x13227e0, flags=<optimized out>)
    at kernel/qeventdispatcher_glib.cpp:422
#29 0x0000003157859fde in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>)
    at kernel/qguieventdispatcher_glib.cpp:207
#30 0x0000003b1ef596c2 in QEventLoop::processEvents (this=<optimized
out>, flags=...)
    at kernel/qeventloop.cpp:149
#31 0x0000003b1ef598bf in QEventLoop::exec (this=0x7fff4baf5dc0,
flags=...) at kernel/qeventloop.cpp:201
#32 0x0000003b1ef5da07 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#33 0x000000315e83f203 in kdemain (argc=2, argv=0x7fff4baf61a8)
    at
/usr/src/debug/kdebase-workspace-4.6.5/plasma/desktop/shell/main.cpp:120
#34 0x00000039c902139d in __libc_start_main () from /lib64/libc.so.6
#35 0x00000000004008c1 in _start ()
------------------------------------------------------



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