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

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Message-ID: <20060731055655.GB7094@irc.pl>
Date:	Mon, 31 Jul 2006 07:56:55 +0200
From:	Tomasz Torcz <zdzichu@....pl>
To:	Zwane Mwaikambo <zwane@....linux.org.uk>
Cc:	bert hubert <bert.hubert@...herlabs.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.18 regression: cpufreq broken since 2.6.18-rc1 on pentium4

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@....-nie.spam-.pl    wagon filled with backup tapes." -- Jim Gray


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