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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

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


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