Date: Tue, 18 Mar 2008 13:24:33 -0700 From: Sam Leffler <sam@freebsd.org> To: Igor Mozolevsky <igor@hybrid-lab.co.uk> Cc: freebsd-current@freebsd.org Subject: Re: Compiling 6.3->7: lapic frequency madness Message-ID: <47E02501.9050303@freebsd.org> In-Reply-To: <a2b6592c0803181225q124ef663xa8c677fadbb2a33e@mail.gmail.com> References: <a2b6592c0803151921rdc78b37reea65fef221ca153@mail.gmail.com> <200803181134.59757.jhb@freebsd.org> <a2b6592c0803180849o2a502dd3g848daf49d77485be@mail.gmail.com> <200803181324.51136.jhb@freebsd.org> <a2b6592c0803181225q124ef663xa8c677fadbb2a33e@mail.gmail.com>
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Igor Mozolevsky wrote:
> On 18/03/2008, John Baldwin <jhb@freebsd.org> wrote:
>
>> On Tuesday 18 March 2008 11:49:29 am Igor Mozolevsky wrote:
>> > On 18/03/2008, John Baldwin <jhb@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
>> doesn't...
>>
>>
>> Ok, and it is cpufreq related? Which cpufreq drivers are attaching to your
>> CPU?
>>
>
> 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
doing then).
Sam
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