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Re: [Xen-devel] Re: xen-unstable: xen hang on boot

On 11/08/2011 07:58, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

>>>> On 10.08.11 at 19:48, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
>> On 10/08/2011 18:06, "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> wrote:
>>>> Looks like a boot failure we saw on some automated tests, although those
>>>> failures were limited to AMD systems. If it's the same problem, reverting
>>>> two MCE patches (changesets 23736 and 23737) will fix it.
>>> Are those:
>>> 31683aa4bfb3 acpi: Add support for old and new bios erst, enable
>>> mce_apei logic
>>> 3d18ff6589e3 x86, mce: Dump mce log by ERST when mc panic
>> Yes. Actually now you can just try the tip of staging/xen-unstable. I
>> reverted the hunk that was causing problems on our AMD boxes.
> On some systems only, apparently (according to the stage testing).
> Perhaps the changes need to be reverted entirely?

Serial logs would suggest 23733:fbf3768e5934, which the automated bisection
test has already fingered for some failures.

Cc'ing those with an interest in that patch. We could revert it but it is
supposed to be fixing other problems with device passthru on AMD boxes.

 -- Keir

> Jan

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