Re: [2/2] 2.6.22-rc4: known regressions v3

From: William Lee Irwin III
Date: Thu Jun 14 2007 - 11:01:51 EST

On Thu, Jun 14, 2007 at 03:57:25PM +0100, Mark Fortescue wrote:
> Benh's ptep_set_access_flags() patch needs to be applied in order to get
> anyware with sun4c for all kernels >= linux-2.6.15. If not applied, you
> will be lucky to get sash running as your init and even that will have
> very limitit capabilities before it locks up the processor (power up
> reset required).
> It has been applied to both the kernels I used for testing so this
> problem is independent of the ptep_set_access_flags patch but that
> does not mean that it is not a related issue.
> I will try to get some testing done over the weekend to narrow down
> when the random illegal instructions first occour.
> If I start with 2.6.21 then if that is OK, then I should be able to narow
> the issue down without too much trouble. If it is between 2.6.20 and
> 2.6.21 then it will be a right pig as there are a large number of commits
> that don't compile for sun4c between these two. What I am hoping is that
> it occours in the 2.6.22-rc2 as per the x86_64.

Sounds like I'll be digging through my hardware stockpiles this weekend
to find a functional sun4c box.

-- wli
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at