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