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    SubjectRe: [stable] Boot failure with 2.6.27.46 on Xeon E5620 (Westmere EP)
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    Hi Suresh,

    On May 25, 2010, at 8:24 PM, Suresh Siddha wrote:

    > On Tue, 2010-05-25 at 13:51 -0700, Greg KH wrote:
    >> On Tue, May 25, 2010 at 04:32:16PM -0400, "S.Çağlar Onur" wrote:
    >>> Hi Greg,
    >>>
    >>> On May 25, 2010, at 11:53 AM, Greg KH wrote:
    >>>
    >>>> On Tue, May 25, 2010 at 11:10:28AM -0400, "S.Çağlar Onur" wrote:
    >>>>> Hi,
    >>>>>
    >>>>> We are observing boot failures [1] & [2] on some of our servers (Dell
    >>>>> r410) with 2.6.27-stable kernels. I found following commit in upstream
    >>>>> tree via a quick search (but I haven't tried it yet) so I don't know
    >>>>> whether I'm on the right track or not.
    >>>>>
    >>>>> Please let me know if anything else is needed...
    >>>>
    >>>> Has any .27 kernel worked on these machines? If so, can you narrow it
    >>>> down to the patch that caused the problem?
    >>>
    >>> I don't think any .27 kernel worked on those machines before. But in
    >>> any case I'll try (I don't have a physical access to those machines as
    >>> they are located in China) an older .27 release to see.
    >>
    >> Ok, so it isn't a regression, which is what I want to know.
    >>
    >> New hardware like this, probably will only work on newer kernel
    >> versions, so please use those instead :)
    >
    > I can't think of any known issues in 2.6.27 that can lead to this kind
    > of boot failure on WSM-EP. Caglar, It will be nice if you can do git
    > bisect between working and non-working kernels.

    Sure, I'll try to boot those with plain 2.6.27 to see but please note that it's going to be little time consuming. For each one I have to create a custom boot image for them to download and test (a.k.a. don't expect to hear from me soon :))

    > thanks,
    > suresh


    Best regards,
    --
    S.Çağlar Onur <caglar@cs.princeton.edu>

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