From: Len Brown <len.brown@intel.com>
To: "Tvrtko A. Ursulin" <tvrtko@ursulin.net>
Cc: linux-acpi@vger.kernel.org
Subject: Re: A bug or not? No C states on Turion64 ML-34
Date: Tue, 19 Sep 2006 23:16:25 -0400 [thread overview]
Message-ID: <200609192316.26355.len.brown@intel.com> (raw)
In-Reply-To: <200609171646.46064.tvrtko@ursulin.net>
On Sunday 17 September 2006 11:46, Tvrtko A. Ursulin wrote:
> On my new HP Pavilion s7510 PC I seem to be missing C states
...
> tvrtko@astrid:~> cat /proc/acpi/processor/CPU0/power
> active state: C1
> max_cstate: C8
> bus master activity: 00000000
> states:
> *C1: type[C1] promotion[--] demotion[--] latency[000]
> usage[00000000]
Don't be bothered by the 0 usage, C1 always works.
Dunno if this processor and BIOS support more C-states or not.
Maybe somebody else who has one has checked it out?
I have seen an ML-28 which support C1 and C3 -- though maybe
an ML-28 is different from an ML-34...
It is possible that an additional C-state will appear when you switch to battery mode.
If you post the output from acpidump it will be easy to tell.
cheers,
-Len
next prev parent reply other threads:[~2006-09-20 3:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-17 15:46 A bug or not? No C states on Turion64 ML-34 Tvrtko A. Ursulin
2006-09-20 3:16 ` Len Brown [this message]
2006-09-20 18:51 ` Tvrtko A. Ursulin
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