HEADSUP: cpufreq import complete, acpi_throttling changed
Eric Kjeldergaard
kjelderg at gmail.com
Mon Feb 21 17:21:15 PST 2005
On Mon, 21 Feb 2005 17:16:58 -0800 (PST), Don Lewis
<truckman at freebsd.org> wrote:
> On 21 Feb, Eric Kjeldergaard wrote:
> > On Sun, 06 Feb 2005 13:21:32 -0800, Nate Lawson <nate at root.org> wrote:
> >> I've finished the major work of importing cpufreq. As part of this, the
> >> sysctls for acpi throttling have been removed. The power_profile script
> >> has been updated, so you can use performance/economy_cpu_freq= in
> >> rc.conf to set AC on/offline cpu frequencies. The acpi throttling
> >> support has been compiled into acpi_perf.ko so load that to get
> >> throttling. Do a sysctl dev.cpu to get an understanding of the cpufreq
> >> sysctls.
> >
> > I have been using cpufreq on and off since this got comitted and just
> > noticed a problem now. I can't really say when it started happening,
> > but I can say that it happens with a current from about 2 hours ago.
> > What happens is when I kldload cpufreq, usb stops working. If I have
> > a device that was already connected, it gets disconnected, I am unable
> > to connect any new devices. It's just completely unresponsive.
> > Whatever the issue is, it does not help to kldunload cpufreq, I am
> > forced to reboot to get USB working again. The system is an IBM
> > Thinkpad R40. I can give you whatever relevant info you need on
> > request.
>
> My R40 has had a similar problem since at least December (the first time
> I tried to use my USB mouse in quite some time). Part way through the
> boot process it powers down the USB ports and the mouse LEDs go dark. I
> haven't had time to investigate.
oh, this is much different than my problem Unless I kldload cpufreq,
my USB is A-OK.
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