Re: "SCR access via SIDPR is available but doesn't work"

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Tejun Heo wrote:
> Rob Whitton wrote:
>> I have run this test and I can confirm that NumLock does still work,
>> although unreliably. What I mean by this is that once we get to this
>> point often it takes a number of presses of numlock to get the state of
>> the LED to change. Before we get to this point it seems to behave fine.
>> Ctrl-alt-sysrq-t doesn't appear to dump anything to the console. After
>> doing ctrl-alt-sysrq-t numlock no longer functions at all.
>>
>> Something I forgot to mention in my original email is that using
>> "noapic" at boot is also a work around for the problem. It isn't an
>> option for us as we are going to be using advanced features such as MSI
>> that are only available via the APIC route.
> 
> I don't think MSI has anything to do with noapic.  Can you please post
> the result of "lspci -nn"?  Also, what kind of motherboard is it?

Oh.. and one more thing, can you please confirm that commenting out
PIIX_FLAG_SIDPR settings in piix_port_info structures fix the problem?

Thanks.

-- 
tejun
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