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SubjectRe: acpi-test tree on eeepc: EC error message on second resume
Rafael J. Wysocki wrote:
> On Saturday, 11 of October 2008, Alexey Starikovskiy wrote:
>
>> Rafael J. Wysocki wrote:
>>
>>>> No, we discussed this before -- we are outside of the transaction, thus
>>>> no GPE
>>>> activity could interfere with ec_check_ibf0.
>>>>
>>> Ok, this is in the process context and we don't really expect to get an
>>> interrupt at this point, but what happens if the EC generates an event that's
>>> not related to any transiaction. Is that guaranteed to never happen?
>>>
>> Interrupt handler in this case can't cause a change to status register, thus our
>> read of it will not be affected by interrupt.
>>
>
> Ok, thanks.
>
> Alan, does the patch work for you?
>
> Rafael
>

Yes. Two reboot cycles, three suspend/resume cycles each, and no error
message.

I hope we have a better fix in mind though :-P. The patch doesn't solve
the unnecessary 500ms delay when this thing happens.

Thanks
Alan


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