Date: Thu, 24 Feb 2005 12:59:42 -0800 From: Nate Lawson <nate@root.org> To: Morten Rodal <morten@rodal.no> Cc: current@freebsd.org Subject: Re: HEADSUP: cpufreq import complete, acpi_throttling changed Message-ID: <421E403E.7040804@root.org> In-Reply-To: <200502241710.44321.morten@rodal.no> References: <42068A5C.1030300@root.org> <200502191911.36228.morten@rodal.no> <421CD87C.70803@root.org> <200502241710.44321.morten@rodal.no>
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Morten Rodal wrote:
> On Wednesday 23 February 2005 20:24, Nate Lawson wrote:
> The issue is partly fixed. I now see the following frequency levels if,
> and only if, I booted the laptop on battery power:
>
> # sysctl dev.cpu.0.freq_levels
> dev.cpu.0.freq_levels: 1200/0 1050/0 900/0 787/0 750/0 656/0 600/0 562/0
> 525/0 450/0 393/0 337/0 300/0 262/0 225/0 187/0 150/0 112/0 75/0 37/0
>
> Note that the native processor speed (1700 MHz) is not listed, and setting
> the speed below 150 hard-hangs/freezes the laptop.
Not sure we can fix this one. It appears some very low clock rates hang
some systems. Can you test with SCHED_4BSD?
> When booting with AC-power the laptop does not report any freq{,_levels}.
> It does not matter if I remove the AC-power once the computer is up and
> running, I always get this:
>
> # sysctl dev.cpu.0.freq
> dev.cpu.0.freq: -1
I just committed a fix for this.
--
Nate
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