Re: cpufreq question

[Jarod Wilson <jwilson@redhat.com>]

On Wednesday 14 May 2008 02:52:37 pm Langsdorf, Mark wrote:
> > On Wednesday 14 May 2008 02:28:02 pm Frazier, John wrote:
> > > I am new to Linux and I am having a little problem with my cpu power
> > > saving.
> > >
> > > Kernel: 2.6.9-67.0.4.ELsmp
> > >
> > > I am using cpuspeed to control my cpus and I have just upgraded to a
> > > newer version of it and it is looking for the file
> > > /sys/devices/system/cpu/cpu%u/cpufreq/affected_cpus.
> > >
> > > This file does not exist on my system. What is the correct way to
> > > resolve this issue?
> >
> > Probably best to file a bug at bugzilla.redhat.com for issues
> > on a RHEL4 system -- wildly divergent from upstream by now.
>
> RHEL4 doesn't support
> /sys/devices/system/cpu/cpu%u/cpufreq/affected_cpus and
> cpuspeed 1.2.1 requires them.  You need to revert to a
> previous version of cpuspeed, such as the one that came
> with your RHEL4 installation.  Current versions of RHEL4
> support SMP/CMP cpufreq with their native tools.

Erm, RHEL4 has been shipping cpuspeed 1.2.1 since mid 2005... From the 
kernel-utils changelog:

* Mon Jun 20 2005 Dave Jones <davej@redhat.com>
- Update cpuspeed to 1.2.1, featuring improved dual-core/SMP support. 
(#146179)


-- 
Jarod Wilson
jwilson@redhat.com