[PlanetCCRMA] kernel-rt-3.2.11-1.rt20.1.fc16.ccrma.i686

[S C Rigler]

On Mar 23, 2012 5:53 PM, "Martin Tarenskeen" <m.tarenskeen at zonnet.nl> wrote:
>
>
>
> On Fri, 23 Mar 2012, S C Rigler wrote:
>
>> On Fri, Mar 23, 2012 at 3:08 AM, Martin Tarenskeen <
m.tarenskeen at zonnet.nl> wrote:
>>
>>      Hi,
>>
>>      I am trying kernel-rt-3.2.11-1.rt20.1.fc16.ccrma.i686 from the
testing
>>      repo. This version still gives me bad performance, unstable mouse
cursor,
>>      etc. On my terminal screen I see a continuous stream of these
messages:
>>
>>      Message from syslogd at D600 at Mar 23 08:59:06 ...
>>       kernel:[   61.756381] Disabling IRQ 11
>>      (.....)
>>
>>      The kernel-rt-3.2.9-1.rt17.1.fc16.ccrma.i686 version is usable on my
>>      system and does not have this problem.
>>
>>
>> Martin,
>>
>> What do you have on IRQ 11?  I've had similar problems with 3.0-rt and
3.2-rt until I enabled MSI for the devices that
>> were on the IRQ it was complaining about.
>
>
> How do I find that out? What is MSI ?
>

Cat /proc/interrupts to see what's using IRQ 11.

http://en.wikipedia.org/wiki/Message_Signaled_Interrupts

Not all devices support MSI, but if one of the ones on your IRQ 11 does
then you may be able to enable it with a module parameter and move it to a
different IRQ.

--Steve
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