From: Dave Jones <davej@redhat.com>
To: Vegard Nossum <vegard.nossum@gmail.com>
Cc: "H. Peter Anvin" <hpa@kernel.org>,
Andi Kleen <andi@firstfloor.org>,
the arch/x86 maintainers <x86@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask_bitmask+0xc3/0xe0()
Date: Sun, 24 Aug 2008 14:13:04 -0400 [thread overview]
Message-ID: <20080824181304.GA5963@redhat.com> (raw)
In-Reply-To: <19f34abd0808241045r37eb8661h3cc688b6f0513777@mail.gmail.com>
On Sun, Aug 24, 2008 at 07:45:48PM +0200, Vegard Nossum wrote:
> Removing acpi=off helps with the CPU detection problem. The kernel is
> still really slow, though. From /proc/cpuinfo:
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 15
> model : 6
> model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
> stepping : 5
> cpu MHz : 375.000
> cache size : 2048 KB
>
> Why is MHz on 375!? I tried cpufreq-selector, but nothing changed. Maybe
>
> calling acpi_cpufreq_init+0x0/0x90
> initcall acpi_cpufreq_init+0x0/0x90 returned -19 after 0 msecs
-ENODEV. Because you don't have frequency scaling capable CPU.
> Okay, now I used cpufreq-selector to change to "ondemand" governor,
> and MHz goes back to 3000. Weird. Why would "performance" governor put
> my machine to a constant 375?
Probably because you're using p4-clockmod, and it's crap.
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2008-08-24 18:16 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-19 19:51 latest -git: WARNING: at arch/x86/kernel/ipi.c:123 send_IPI_mask_bitmask+0xc3/0xe0() Vegard Nossum
2008-08-20 1:39 ` Andi Kleen
2008-08-20 6:26 ` Vegard Nossum
2008-08-22 0:36 ` Dave Jones
2008-08-22 2:13 ` H. Peter Anvin
2008-08-22 2:28 ` Andi Kleen
2008-08-22 6:24 ` H. Peter Anvin
2008-08-22 9:35 ` Andi Kleen
2008-08-22 16:41 ` H. Peter Anvin
2008-08-23 6:42 ` Jeremy Fitzhardinge
2008-08-23 6:44 ` H. Peter Anvin
2008-08-22 11:13 ` adobriyan
2008-08-24 9:20 ` Vegard Nossum
2008-08-24 16:43 ` H. Peter Anvin
2008-08-24 17:17 ` H. Peter Anvin
2008-08-24 17:22 ` Vegard Nossum
2008-08-24 17:45 ` Vegard Nossum
2008-08-24 17:59 ` H. Peter Anvin
2008-08-24 18:13 ` Dave Jones [this message]
2008-08-25 18:31 ` Vegard Nossum
2008-08-25 18:38 ` Dave Jones
2008-08-25 18:36 ` Andi Kleen
2008-08-25 18:54 ` Dave Jones
2008-08-25 19:39 ` Andi Kleen
2008-08-25 19:50 ` Dave Jones
2008-08-25 20:36 ` Andi Kleen
2008-08-25 20:47 ` Dave Jones
2008-08-25 21:24 ` Arjan van de Ven
2008-08-25 19:08 ` H. Peter Anvin
2008-08-25 19:13 ` Dave Jones
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