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Re: [Xen-devel] [PATCH][XSA-126] xen: limit guest control of PCI command register



>>> On 20.04.15 at 16:32, <mst@xxxxxxxxxx> wrote:
> On Mon, Apr 20, 2015 at 03:08:09PM +0100, Jan Beulich wrote:
>> >>> On 20.04.15 at 15:43, <mst@xxxxxxxxxx> wrote:
>> > did firmware reconfigure this device to report URs as fatal errors then?
>> 
>> No, the Unsupported Request Error Serverity flag is zero.
> 
> OK, that's the correct configuration, so how come the box crashes when
> there's a UR then?

Apparently something marks it fatal in the process of delivering it
through APEI. I'll raise the question with the reporters.

Jan


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