Re: 2.6.18 regression: cpufreq broken since 2.6.18-rc1 on pentium4

From: Tomasz Torcz
Date: Mon Jul 31 2006 - 02:33:33 EST


On Sun, Jul 30, 2006 at 10:45:13AM -0700, Zwane Mwaikambo wrote:
> On Sun, 30 Jul 2006, Tomasz Torcz wrote:
>
> > On Sun, Jul 30, 2006 at 02:08:44PM +0200, bert hubert wrote:
> > > Hi everybody,
> > >
> > > Since 2.6.18-rc1, up to and including -rc3, cpufreq has died on me. It
> > > worked fine in 2.6.16.9.
> > >
> > > # modprobe p4_clockmod
> > > FATAL: Error inserting p4_clockmod
> > > (/lib/modules/2.6.18-rc3/kernel/arch/i386/kernel/cpu/cpufreq/p4-clockmod.ko):
> > > Device or resource busy
> > >
> >
> > I have similar problem with cpufreq-nforce2 -- http://lkml.org/lkml/2006/7/7/234
> > I haven't do a git-bisect yet.
>
> Could you fellows try it without;
>
> CONFIG_X86_SPEEDSTEP_CENTRINO
> CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI
> CONFIG_X86_SPEEDSTEP_CENTRINO_TABLE
> CONFIG_X86_SPEEDSTEP_ICH
> CONFIG_X86_SPEEDSTEP_SMI

I had those =n

> CONFIG_X86_ACPI_CPUFREQ

I had this one =y. After setting =n, cpufreq-nforce2 (=m) works again.

powernowd: PowerNow Daemon v0.96, (c) 2003-2005 John Clemens
powernowd: Found 1 cpu: -- 1 thread (or core) per physical cpu
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies: No
such file or directory
powernowd: cpu0: 1228Mhz - 1753Mhz (7 steps)

--
Tomasz Torcz "Never underestimate the bandwidth of a station
zdzichu@xxxxxxxxxxxxxxxxx wagon filled with backup tapes." -- Jim Gray

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