From: Dave Jones <davej@redhat.com>
To: Thiago Galesi <thiagogalesi@gmail.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: Cpufreq not working in 2.6.18-rc6
Date: Sat, 9 Sep 2006 10:47:39 -0400 [thread overview]
Message-ID: <20060909144739.GS28592@redhat.com> (raw)
In-Reply-To: <82ecf08e0609090722p1ded935dm794d569278d60122@mail.gmail.com>
On Sat, Sep 09, 2006 at 11:22:02AM -0300, Thiago Galesi wrote:
> Hello
>
> Cpufreq is not working for me in 2.6.18-rc6 (as it worked flawlessly
> in 2.6.17.7 and earlier versions)
>
> I cannot insmod powernow-k7, it only shows (in dmesg):
>
> powernow: PowerNOW! Technology present. Can scale: frequency and voltage.
>
> But then insmod fails with EBUSY (or better: init_module(0x804b018,
> 11352, "") = -1 EBUSY (Device or resource busy))
>
> I traced this to cpufreq_register_driver returning -0x16
>
> I disabled APM for this kernel, previous kernel version had APM
> enabled (AFAIK, shouldn't be relevant; ACPI is enabled)
>
> I tried to enable APM only to discover it does not work to compile APM
> as a module :/ (complains about default_idle and machine_real_restart
> being "unknown symbols")
>
> ...
>
> CONFIG_X86_POWERNOW_K7_ACPI=y
> ..
> CONFIG_ACPI_PROCESSOR=m
Does it start working again if you change ACPI_PROCESSOR=y ?
Dave
next prev parent reply other threads:[~2006-09-09 14:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-09 14:22 Cpufreq not working in 2.6.18-rc6 Thiago Galesi
2006-09-09 14:47 ` Dave Jones [this message]
2006-09-09 15:13 ` Thiago Galesi
2006-09-10 14:34 ` Thiago Galesi
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