Re: Yet another 2.6.35 regression (AGP)?

[Woody Suwalski]

Jesse Barnes wrote:
> On Fri, 9 Jul 2010 10:21:56 -0400
> Woody Suwalski<terraluna977@xxxxxxxxx>  wrote:
>
>    
> > I have found one system, where 2.6.35 does not work (as tested with rc3
> > and rc4)
> > That Intel system has no problems in 2.6.33.x nor 2.6.34.0.
> >
> > The problem seems to be in AGP - I can boot if I specify "agp=off" - but
> > of course only in text mode...
> > There seems to be a hard lock-up, so the only way to show the crash is
> > by picture 8-)
> >
> > Since I do not build kernel on that machine, I did not do any bisect
> > tests, however if someone is interested in digging deeper, I can try...
> > Preferably a patch to try out ;-)
> >
> > This bug seems to be different then
> > https://bugzilla.kernel.org/show_bug.cgi?id=16179
> >
> > Should it be blamed on BIOS (the conflict indicated just before the crash)?
> >      
> Well even if the BIOS is doing something bad, if we handled it in
> earlier kernels we should handle it today.  So this sounds like a
> regression.
>
> A bisect should help if it was working before, can you do that?
>
>    
OK, I have never really done the brute-force bissecting, but there is 
always first time...
Will try to do it over the weekend...

Unless U will be visiting Ottawa  and want to do it yourself ;-)

Woody

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