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Date:      Sat, 22 Nov 2003 02:25:17 +0100 (CET)
From:      Lukas Ertl <l.ertl@univie.ac.at>
To:        Nate Lawson <nate@root.org>
Cc:        current@freebsd.org
Subject:   Re: Updated acpi_cpu patch
Message-ID:  <20031122022351.J627@korben.in.tern>
In-Reply-To: <20031121161425.A76600@root.org>
References:  <20031118094821.T64353@root.org> <20031118221008.U621@korben.in.tern> <20031118131708.C64933@root.org> <20031118223352.W634@korben.in.tern> <20031120125407.L414@pcle2.cc.univie.ac.at> <20031121135507.H76145@root.org> <20031122005506.S623@korben.in.tern> <20031121161425.A76600@root.org>

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On Fri, 21 Nov 2003, Nate Lawson wrote:

> On Sat, 22 Nov 2003, Lukas Ertl wrote:
> > On Fri, 21 Nov 2003, Nate Lawson wrote:
> >
> > > Those are what is more interesting.  Also, can you send me your sysctl
> > > hw.acpi.cpu.cx_history after you've used it for a while with the maximum
> > > cx_lowest setting?
> >
> > hw.acpi.cpu.cx_supported: C1/1 C2/1 C3/85 C3/185
> > hw.acpi.cpu.cx_lowest: 3
> > hw.acpi.cpu.cx_history: 0/0 1143097/0 0/0 0/0
> >
> > This is after 1:22h doing things like eMail, web surfing, IRC...
>
> Ah, I see the C3 states aren't being used.  If you are playing mp3s or
> have usb enabled in your kernel, they won't be used (because we can't use
> them when bus mastering transfers are active.)  Try making usb a module
> and not loading it and test this again.

Ah, this would explain why I can see the C3 states change after a
suspend/resume - USB is dead then :-)

I'm gonna try without USB and send you the output again.

regards,
le

-- 
Lukas Ertl                             eMail: l.ertl@univie.ac.at
UNIX Systemadministrator               Tel.:  (+43 1) 4277-14073
Vienna University Computer Center      Fax.:  (+43 1) 4277-9140
University of Vienna                   http://mailbox.univie.ac.at/~le/



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