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SubjectRe: APEI: Can not request iomem region for GARs
On 09/03/2011 10:44 AM, Pavel Ivanov wrote:
> On Mon, Aug 29, 2011 at 1:37 AM, Huang Ying <> wrote:
>> On 08/27/2011 11:28 AM, Pavel Ivanov wrote:
>>> Also I noticed there's another suspicious message in dmesg and it was
>>> there earlier too (although it's not shown on console):
>>> GHES: Failed to enable APEI firmware first mode
>>> Is it bad? What does it mean?
>> Maybe this has been fixed, please this patch,
> Yes, this patch indeed fixed this failure message. It's now replaced by
> GHES: APEI firmware first mode is enabled by WHEA _OSC.
> Can I ask you another question: what does the following message mean?
> [Firmware Warn]: GHES: Poll interval is 0 for generic hardware error
> source: 1, disabled.

This means:

The generic hardware error source with ID 1 is notified by poll, that
is, Linux should poll the specified address to check whether there is
hardware error report from hardware. But the poll interval specified by
firmware is "0". I think this should be a firmware error, and disabled
it. I think maybe you can contact firmware vendor to fix this.

Best Regards,
Huang Ying

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