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From: Dave Jones <davej@redhat.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: "Langsdorf, Mark" <mark.langsdorf@amd.com>,
	lkml <linux-kernel@vger.kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Renninger <trenn@suse.de>
Subject: Re: Regression in 2.6.27-rc2 in acpi_processor_init()
Date: Fri, 8 Aug 2008 17:06:19 -0400	[thread overview]
Message-ID: <20080808210619.GA4655@redhat.com> (raw)
In-Reply-To: <200808082302.11358.rjw@sisk.pl>

On Fri, Aug 08, 2008 at 11:02:10PM +0200, Rafael J. Wysocki wrote:
 > [Adding CCs]
 > 
 > On Friday, 8 of August 2008, Langsdorf, Mark wrote:
 > > I got a regression when updated from 2.6.27-rc1 ro
 > > 2.6.27-rc2.  The noticeable symptom is the powernow-k8
 > > driver stopped working because the call to 
 > > acpi_processor_register_performance() is returning
 > > -EINVAL.
 > > 
 > > Digging into the code a bit more, that's occurring
 > > because acpi_processor_ppc_status is not set.
 > > That should be set in acpi_processor_init(), but
 > > that function is failing to register the ACPI
 > > processor driver.
 > > 
 > > I've dug through the code and can't see why 
 > > that call would fail.  It doesn't look like there
 > > were any changes between 2.6.27-rc1 and 2.6.27-rc2,
 > > but I may have missed something.
 > > 
 > > Any advice or suggestions in debugging this 
 > > appreciated.

a1531acd43310a7e4571d52e8846640667f4c74b perhaps related ?

	Dave

-- 
http://www.codemonkey.org.uk

  reply	other threads:[~2008-08-12 19:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <6453C3CB8E2B3646B0D020C112613273C5AC59@sausexmb4.amd.com>
2008-08-08 21:02 ` Regression in 2.6.27-rc2 in acpi_processor_init() Rafael J. Wysocki
2008-08-08 21:06   ` Dave Jones [this message]
2008-08-10  3:34   ` Zhao Yakui
2008-08-11 16:54     ` Langsdorf, Mark

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