Compiling 6.3->7: lapic frequency madness
sam at freebsd.org
Tue Mar 18 13:37:09 PDT 2008
Igor Mozolevsky wrote:
> On 18/03/2008, John Baldwin <jhb at freebsd.org> wrote:
>> On Tuesday 18 March 2008 11:49:29 am Igor Mozolevsky wrote:
>> > On 18/03/2008, John Baldwin <jhb at freebsd.org> wrote:
>> > > First, which one is broken? Have you tried a RELENG_7_0 kernel and does
>> it do
>> > > the same as a release CD kernel?
>> > Tried both ISO image and RELENG_7_0, they both work ok, but RELENG_7
>> Ok, and it is cpufreq related? Which cpufreq drivers are attaching to your
> Well, I wouldn't say I'm sure it's 100% cpufreq related, but removing
> it from the kernel fixes the problem... It's also possible that
> cpufreq is interfering with something else... Anyhow, I've got both
> est and p4tcc attaching.
I'm having lots of problems with cpu freq throttling on t4x laptops.
The system gets very sluggish and when I check the frequency it's been
throttled down. This happens even on ac (haven't checked what powerd is
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