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RE: [cdt-dev] DSF gdb: Unresolved breakpoint freezes application
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Most credit for Pawel, who suggested a much nicer solution
using DSF's Sequence RollBack feature.
Axel, I'm glad you found this before the release!
Thanks
> -----Original Message-----
> From: cdt-dev-bounces@xxxxxxxxxxx
> [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Axel Müller
> Sent: Friday, May 28, 2010 3:12 PM
> To: CDT General developers list.
> Subject: Re: [cdt-dev] DSF gdb: Unresolved breakpoint freezes
> application
>
> Wow, you're really fast Marc. I just wanted to apply your
> first patch but then
> my CVS update was faster! And the best thing: the bug is
> fixed. I just tried.
> Thanks a lot.
>
> Axel
>
> > I've posted a prototype fix to the bug. If you want to
> give it a spin.
> > But I do have to run more tests on it.
> >
> > > The bug is much worse. It seems that whenever gdb gives
> an error DSF-GDB
> > > does not recover. I just stumbled across this while
> stepping through
> > > some code with Qt: 354,429 49-data-evaluate-expression --thread 1
> > > --frame 0 QString 354,431 49^error,msg="cannot resolve
> overloaded method
> > > `QString': no arguments supplied"
> >
> > If you can still see the above with the patch I posted,
> pleasepost the full
> > traces to the bug and how you got there. It must be that
> DSF-GDB was in a
> > bad state because of the breakpoint problem, so the patch
> should fix this
> > too.
> >
> > Thanks
> >
> > Marc
> > ________________________________________
> > From: cdt-dev-bounces@xxxxxxxxxxx
> [cdt-dev-bounces@xxxxxxxxxxx] On Behalf
> > Of Axel Müller [aegges@xxxxxx] Sent: May 28, 2010 5:58 AM
> > To: CDT General developers list.
> > Subject: RE: [cdt-dev] DSF gdb: Unresolved breakpoint
> freezes application
> >
> > The bug is much worse. It seems that whenever gdb gives an
> error DSF-GDB
> > does not recover. I just stumbled across this while
> stepping through some
> > code with Qt: 354,429 49-data-evaluate-expression --thread
> 1 --frame 0
> > QString
> > 354,431 49^error,msg="cannot resolve overloaded method `QString': no
> > arguments supplied"
> >
> >
> > After this nothing works anymore.
> >
> > Axel
> >
> > >My fault. When adding support for setting a breakpoint
> while the target
> > >is running https://bugs.eclipse.org/bugs/show_bug.cgi?id=242943
> > >
> > >I forgot the fact that the breakpoint installation can
> 'fail' in cases
> > >where the file is not part of the program, so DSF-GDB does
> not recover
> > >
> > >well.
> > >
> > >
> > >
> > >I'll post a fix to the bug you opened.
> > >
> > >
> > >
> > >Thanks for finding this.
> > >
> > >
> > >
> > >Marc
> > >
> > >
> > >
> > >
> > >
> > >________________________________________
> > >
> > >From: cdt-dev-bounces@xxxxxxxxxxx
> [cdt-dev-bounces@xxxxxxxxxxx] On Behalf
> > >Of Axel Müller [aegges@xxxxxx]
> > >
> > >Sent: May 28, 2010 3:40 AM
> > >
> > >To: cdt-dev@xxxxxxxxxxx
> > >
> > >Subject: [cdt-dev] DSF gdb: Unresolved breakpoint freezes
> application
> > >
> > >
> > >
> > >Hi,
> > >
> > >
> > >
> > >I found IMHO a serious bug in the gdb backend of DSF (see
> > >https://bugs.eclipse.org/bugs/show_bug.cgi?id=314628).
> When I create a
> > >breakpoint in a source file that does not belong to the
> application that
> > >is currently debugged gdb will report an error and remain
> in some kind of
> > >freeze state. The application freezes as well.
> > >
> > >
> > >
> > >I have attached a simple test case projectto the bug report to
> > >demonstrate the bug. I would be happy if someone could
> have a look at it.
> > >In my opinion this bug makes it impossible to debug more than one
> > >application at once. A not uncommon scenario in Makefile projects.
> > >
> > > Axel
> > >
> > >___________________________________________________________
> > >
> > >NEU: WEB.DE DSL für 19,99 EUR/mtl. und ohne Mindest-Laufzeit!
> > >
> > >http://produkte.web.de/go/02/
> > >
> > >_______________________________________________
> > >
> > >cdt-dev mailing list
> > >
> > >cdt-dev@xxxxxxxxxxx
> > >
> >
> >https://dev.eclipse.org/mailman/listinfo/cdt-dev_____________
> _____________
> > >_____________________
> > >
> > >cdt-dev mailing list
> > >
> > >cdt-dev@xxxxxxxxxxx
> > >
> > >https://dev.eclipse.org/mailman/listinfo/cdt-dev354,429
> > >49-data-evaluate-expression --thread 1 --frame 0 QString
> >
> > 354,431 49^error,msg="cannot resolve overloaded method `QString': no
> > arguments supplied"354,429 49-data-evaluate-expression
> --thread 1 --frame
> > 0 QString 354,431 49^error,msg="cannot resolve overloaded method
> > `QString': no arguments supplied" 354,429
> 49-data-evaluate-expression
> > --thread 1 --frame 0 QString
> > 354,431 49^error,msg="cannot resolve overloaded method `QString': no
> > arguments supplied"
> > ___________________________________________________________
> > GRATIS für alle WEB.DE Nutzer: Die maxdome Movie-FLAT!
> > Jetzt freischalten unter http://movieflat.web.de
> > _______________________________________________
> > cdt-dev mailing list
> > cdt-dev@xxxxxxxxxxx
> >
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