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Re: xorg crash with mgp and debugging problems (was: External Display on Powerbook5,6 )



On Tue, May 17, 2005 at 10:18:34PM +0200, Bernhard Reiter wrote:
> Meanwhile I have tried many combinations to find out why mgp stopped working
> with Xorg server. I might have run into other problems on ppc, too,
> this is why I am asking here. It might as well be a library problem.
> 
> The bug is filed now at:
> https://bugs.freedesktop.org/show_bug.cgi?id=3289
> 	mgp (magicpoint) crashes Xorg

This is resolved now!
mgp, Xorg and mirroring mode for the external display work fine now
for the Powerbook5,6 I have here.

The culprit was that I for some reason had Composite enabled
and this cases the crash.

> I am not sure what to make out of the gdb problems 
> (/build/buildd/gdb-6.3/gdb/infrun.c:2642: internal-error:
> insert_step_resume_breakpoint_at_sal: Assertion
> `step_resume_breakpoint == NULL' failed.
> A problem internal to GDB has been detected,)
> 
> and that I cannot get a backtrace in the end (probably Xorg
> corrupted its stack).

Gdb continued to not produce useful backtrace information.
I have not tested the gdb patch from this list, 
which would have been the next step.

Bernhard

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