From: Corey Minyard <minyard@acm.org>
To: Ferenc Wagner <wferi@niif.hu>
Cc: Andrew Morton <akpm@linux-foundation.org>,
openipmi-developer@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Subject: Re: [Openipmi-developer] modprobe ipmi_si hangs under 2.6.30-rc5
Date: Thu, 21 May 2009 07:37:03 -0500 [thread overview]
Message-ID: <4A154AEF.506@acm.org> (raw)
In-Reply-To: <878wkqpz2n.fsf@tac.ki.iif.hu>
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
next prev parent reply other threads:[~2009-05-21 12:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-12 21:28 modprobe ipmi_si hangs under 2.6.30-rc5 Ferenc Wagner
2009-05-17 0:09 ` Andrew Morton
2009-05-18 17:33 ` Ferenc Wagner
2009-05-18 18:40 ` [Openipmi-developer] " Corey Minyard
2009-05-19 6:26 ` Ferenc Wagner
2009-05-19 21:38 ` Corey Minyard
2009-05-20 16:15 ` Ferenc Wagner
2009-05-20 16:34 ` Corey Minyard
2009-05-21 9:47 ` Ferenc Wagner
2009-05-21 12:37 ` Corey Minyard [this message]
2009-05-27 12:10 ` Bela Lubkin
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