Re: [Xen-devel] Xen 4.0 crashes with pvops kernel

[Cris Daniluk <cris.daniluk@xxxxxxxxx>]

On Tue, Jun 15, 2010 at 10:13 AM, Jan Beulich <JBeulich@xxxxxxxxxx> wrote:
>> On 15.06.10 at 15:49, Cris Daniluk <cris.daniluk@xxxxxxxxx> wrote:
>>
>> SSDT and DSDT dumps attached.
>
> _SB.PCI0._CRS clears bit 16 of indirect register 0x2e, i.e. it masks pin 15
> of the second IO-APIC. The motivation of this is unclear to me (and
> can probably only be explained by the writers of that code) - perhaps
> a workaround for some erratum?
>
> Jan
>
>

Hmm, so could there be a Xen-based workaround in the interim, such as
bypassing the code page that is triggering this? It seems like that
may not provide too much relief given the nature of the issue.

This is running the latest bios and I don't see anything in the recent
errata pertaining to ACPI in the last number of releases.

Cris

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