From: Andrew Morton <akpm@osdl.org>
To: Hugo Mills <hugo-lkml@carfax.org.uk>
Cc: linux-kernel@vger.kernel.org, davej@codemonkey.org.uk,
cpufreq@ZenII.linux.org.uk
Subject: Re: 2.6.11 cpufreq: Device or resource busy
Date: Tue, 8 Mar 2005 23:48:16 -0800 [thread overview]
Message-ID: <20050308234816.245f35b4.akpm@osdl.org> (raw)
In-Reply-To: <20050308222516.GA20370@carfax.org.uk>
Hugo Mills <hugo-lkml@carfax.org.uk> wrote:
>
> I've just upgraded my laptop (ASUS M3000 -- see below) from 2.6.10
> to 2.6.11. It now seems to be unable to load the acpi_cpufreq module:
>
> hrm@joshua:hrm $ sudo modprobe acpi-cpufreq
> FATAL: Error inserting acpi_cpufreq (/lib/modules/2.6.11-plain/kernel/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.ko): Device or resource busy
Presumably there's already a cpufreq driver regisered when you try to load
the acpi_cpufreq module.
If you can work out how to enable cpufreq debugging, then do so. Or apply
the below patch, see what driver is being registered.
--- 25/drivers/cpufreq/cpufreq.c~a 2005-03-08 23:45:21.000000000 -0800
+++ 25-akpm/drivers/cpufreq/cpufreq.c 2005-03-08 23:45:28.000000000 -0800
@@ -1351,7 +1351,7 @@ int cpufreq_register_driver(struct cpufr
((!driver_data->setpolicy) && (!driver_data->target)))
return -EINVAL;
- dprintk("trying to register driver %s\n", driver_data->name);
+ printk("trying to register driver %s\n", driver_data->name);
if (driver_data->setpolicy)
driver_data->flags |= CPUFREQ_CONST_LOOPS;
_
prev parent reply other threads:[~2005-03-09 7:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-08 22:25 Hugo Mills
2005-03-09 7:48 ` Andrew Morton [this message]
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