Bug in KJanusWidget (KDE 3.5)

Hi, I got this bug quite some time ago



I still happens and I simply don't find a bug in my code. As the last lines in
the backtrace are always like this:

#8 0x4137e2fd in QWidgetStack::raiseWidget ()
from /usr/lib/qt3/lib/libqt-mt.so.3
#9 0x40b7c30a in KJanusWidget::showPage (this=)
at /
#10 0x40b7c51a in KJanusWidget::showPage (this=)

it *could* be a bug in KJanusWidget. As I don't know the class at all it would
be nice if someone with more knowledge had a look there. Joseph already
suspected gcc, no idea, really. It happens in trunk as well.

Thanks for any pointers.

Carsten


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Tuesday 10 January 2006 19:35, Carsten Niehaus wrote:
Hi, I got this bug quite some time ago



I still happens and I simply don't find a bug in my code. As the last lines in
the backtrace are always like this:

#8 0x4137e2fd in QWidgetStack::raiseWidget ()
from /usr/lib/qt3/lib/libqt-mt.so.3
#9 0x40b7c30a in KJanusWidget::showPage (this=)
at /
#10 0x40b7c51a in KJanusWidget::showPage (this=)

it *could* be a bug in KJanusWidget.

Using valgrind would certainly tell more

--
David Faure, faure (AT) kde (DOT) org, sponsored by Trolltech to work on KDE,
Konqueror (http://www.konqueror.org), and K (http://www.koffice.org).


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Am Dienstag, 10. Januar 2006 21:12 schrieb David Faure:
#8 *0x4137e2fd in QWidgetStack::raiseWidget ()
* * from /usr/lib/qt3/lib/libqt-mt.so.3
*#9 *0x40b7c30a in KJanusWidget::showPage (this=)
* * *at /
*#10 0x40b7c51a in KJanusWidget::showPage (this=)
>
it *could* be a bug in KJanusWidget.
>
Using valgrind would certainly tell more

I am sure it would but I don't know how to use valgrind for debugging. It has
so many tools and flags I don't even know where to start. Just using it
without flags and parameters doesn't show anything.
There is nothing in the FAQ about it and google doesn't give me hints either.

Carsten


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Wednesday 11 January 2006 21:24, Carsten Niehaus wrote:
Am Dienstag, 10. Januar 2006 21:12 schrieb David Faure:
#8 *0x4137e2fd in QWidgetStack::raiseWidget ()
* * from /usr/lib/qt3/lib/libqt-mt.so.3
*#9 *0x40b7c30a in KJanusWidget::showPage (this=)
* * *at /
*#10 0x40b7c51a in KJanusWidget::showPage (this=)
>
it *could* be a bug in KJanusWidget.
>
Using valgrind would certainly tell more

I am sure it would but I don't know how to use valgrind for debugging. It has
so many tools and flags I don't even know where to start. Just using it
without flags and parameters doesn't show anything.
There is nothing in the FAQ about it and google doesn't give me hints either.

valgrind kmyapp

With some versions of valgrind it's "skin" instead of "tool".

--
David Faure, faure (AT) kde (DOT) org, sponsored by Trolltech to work on KDE,
Konqueror (http://www.konqueror.org), and K (http://www.koffice.org).


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Wednesday 11 January 2006 17:18, David Faure wrote:
I am sure it would but I don't know how to use valgrind for debugging. It
has so many tools and flags I don't even know where to start. Just using
it without flags and parameters doesn't show anything.
There is nothing in the FAQ about it and google doesn't give me hints
either.
>
valgrind kmyapp
>
With some versions of valgrind it's "skin" instead of "tool".

Be sure to build the app with and sometimes you have to
use the option. I valgrind kttsd like this:

valgrind
kttsd

--
Gary Cramblitt (aka PhantomsDad)

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