linux-kernel - Re: microcode driver newly spews warnings

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Message-ID: <49E5EABB.9010402@garzik.org>
Date:	Wed, 15 Apr 2009 10:10:03 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Peter Oruba <peter.oruba@....com>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	amd64-microcode@...64.org,
	Andreas Herrmann <andreas.herrmann3@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: microcode driver newly spews warnings

Ingo Molnar wrote:
> (added Cc:s)
> 
> * Jeff Garzik <jeff@...zik.org> wrote:
> 
>> Jeff Garzik wrote:
>>> Kernel: 2.6.30-rc1-00306-g8371f87
>>> Hardware: ICH10 x86-64
>>>
>>> This is a regression from 2.6.29.  Microcode spews the following 
>>> WARNING multiple times during boot:
>>>
>>>> ------------[ cut here ]------------
>>>> WARNING: at fs/sysfs/group.c:138 sysfs_remove_group+0xeb/0xf0()
>>>> Hardware name:         sysfs group ffffffffa0209700 not found for  
>>>> kobject 'cpu0'


Update:  Regression occurs in 2.6.30-rc2.

I've now reproduced this on ICH9/Core2 as well as ICH10/Nahelem.

	Jeff



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