HEADSUP: cpufreq import complete, acpi_throttling changed
Nate Lawson
nate at root.org
Mon Feb 21 17:50:16 PST 2005
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.
Hmm. If you boot with cpufreq and usb loaded, does it have this
problem? Run the below script to send me your debug info:
http://www.root.org/~nate/freebsd/cpufreq_debug
--
Nate
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