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SubjectRe: [Openipmi-developer] modprobe ipmi_si hangs under 2.6.30-rc5
Ferenc Wagner wrote:
> Corey Minyard <minyard@acm.org> writes:
>
>
>> Ferenc Wagner wrote:
>>
>>
>>> Just out of interest, how often does the driver wake up to check
>>> the inteface?
>>>
>> When idle, the driver wakes up every 10ms to check for something on
>> the driver.
>>
>
> Wow, 100 times per second, that sure sounds gross for piping out SEL
> entries! Though it certainly doesn't matter much for our servers, but
> hasn't it got the potential to heavily tax laptop batteries? Or is
> that why ipmi_si isn't loaded automatically by udev?
>
IPMI is used for a lot of things beyond just getting SEL entries. I
some cases (probably most) it's excessive, in others it's not.

However, AFAIK IPMI hardware is only available in server systems. I
don't think it's ever been used in a laptop.

-corey


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