linux-kernel - Re: microcode driver newly spews warnings

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 16 Apr 2009 19:21:08 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	Peter Oruba <peter.oruba@....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:
> * Dmitry Adamushko <dmitry.adamushko@...il.com> wrote:
> 
>> 2009/4/15 Jeff Garzik <jeff@...zik.org>:
>>> 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.
>> Hi,
>>
>>
>> the following patch should eliminate the problem (and revert to 
>> the old behavior that was altered by Rusty's patch).
> 
> Jeff, did this do the trick for you?

Yes -- but I worry about keeping sysfs files around too long?

	Jeff



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/