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

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:
	mgp (magicpoint) crashes Xorg

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).

Any hints which of my ppc tool chain parts (gcc, libraries, gdb,
Xorg) might be the real cause of the problem?

On Tue, May 03, 2005 at 11:49:44AM +0200, Bernhard Reiter wrote:
> On Tue, May 03, 2005 at 11:00:21AM +0200, Bernhard Reiter wrote:
> > Now I do have a crash in the server when trying to run magicpoint.
> > Thus I am trying to build 6.8.2 with your patches and see if this is better.
> 6.8.2 with Ben's patches can also do the clone mode like X.org CVS HEAD.
> Unfortunately both crash when I try to run magicpoint (mgp).
> If someone is interested in this, I have put up an strace of mgp to
> http://intevation.de/~bernhard/ppc/powerbook5%2C6/mgp-strace-20050503.txt
> There are no further debugging message from the server, except that
> it got Signal 11.

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