From: "Prakash K. Cheemplavam" <PrakashKC@gmx.de>
To: john stultz <johnstul@us.ibm.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>,
len.brown@intel.com
Subject: Re: ACPI PM Timer vs. C1 halt issue
Date: Tue, 09 Mar 2004 23:45:39 +0100 [thread overview]
Message-ID: <404E4913.3020005@gmx.de> (raw)
In-Reply-To: <1078870289.12084.8.camel@cog.beaverton.ibm.com>
john stultz wrote:
> On Tue, 2004-03-09 at 13:35, Prakash K. Cheemplavam wrote:
>
>>I found out what causes higher idle temps when using mm-sources and
>>2.6.4-rc vanilla sources: If I use PM Timer as timesource, it seems the
>>C1 halt isn't properly called, at least CPU disconnect doesn't seem to
>>work, thus leaving my CPU as hot as without disconnect.
[snip]
>
> Sounds like a bug. I'm not very familiar w/ the ACPI cpu power states,
> is there anything you have to do to trigger C1 Halt? Or is it just
> called in the idle loop?
It should be called within the idle loop.
bye,
Prakash
next prev parent reply other threads:[~2004-03-09 22:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-09 21:35 ACPI PM Timer vs. C1 halt issue Prakash K. Cheemplavam
2004-03-09 22:11 ` john stultz
2004-03-09 22:45 ` Prakash K. Cheemplavam [this message]
2004-03-10 21:49 ` john stultz
2004-03-10 22:11 ` Len Brown
2004-03-10 22:48 ` Prakash K. Cheemplavam
2004-03-11 0:15 ` Thomas Schlichter
2004-03-11 8:47 ` Prakash K. Cheemplavam
2004-03-11 13:46 ` Thomas Schlichter
2004-03-11 14:23 ` Prakash K. Cheemplavam
2004-03-10 22:53 ` Prakash K. Cheemplavam
2004-03-11 18:14 ` Prakash K. Cheemplavam
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