Re: [Xen-devel] Xen4.2 S3 regression?

[Ben Guthro <ben@xxxxxxxxxx>]

iommu=no-intremap
This seems to work around the issue on this platform, performing
multiple suspend/resume cycles, and ahci came back afterwards just
fine.

What is the downside to flipping this off?

iommu=off
This test behaved similarly to the above, also working around the issue.


On Thu, Aug 9, 2012 at 11:51 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>> On 09.08.12 at 17:46, Ben Guthro <ben@xxxxxxxxxx> wrote:
>> On Thu, Aug 9, 2012 at 11:37 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>> One thing I think you didn't tell us so far is whether without
>>> interrupt remapping (or the IOMMU turned off altogether) the
>>> problem would also be observed.
>>
>> I assume you mean the xen cli param iommu=off for the second test here.
>> What parameter should I be flipping for the first?
>
> iommu=no-intremap
>
> Jan
>

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