Re: [BUG sparc64] 2.6.16-git6 broke X11 on Ultra5 with ATI Mach64

[Mikael Pettersson]

On Tue, 1 Aug 2006 13:30:08 +0200 (MEST), Mikael Pettersson wrote:
>David Miller writes:
> > From: Mikael Pettersson <mikpe@xxxxxxxx>
> > Date: Fri, 28 Jul 2006 12:35:24 +0200 (MEST)
> > 
> > > FAULT: write(1) old_entry[e00001ffe1970f8a]
> > > FAULT: After, entry[e00001ffe1970f8a]
> > > FAULT: write(1) old_entry[e00001ffe1970f8a]
> > > FAULT: After, entry[e00001ffe1970f8a]
> > > 
> > > The last two lines then repeat semi-infinitely, and they
> > > were generated at an extremely high rate.
> > 
> > It looks like the TSB is never updated.
> > 
> > Do you have CONFIG_HUGETLB_PAGE disabled by chance?
> > I bet that's part of what helps trigger this bug.
>
>I'm away from my U5 right now and won't be able to check for
>certain until later this week, but I'm pretty sure CONFIG_HUGETLBFS
>and CONFIG_HUGETLB_PAGE are disabled in its kernel.

Correction, it turns out that all my 2.6 sparc64 kernels have
had CONFIG_HUGETLBFS and CONFIG_HUGETLB_PAGE enabled.

/Mikael
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