linux-kernel - Re: microcode driver newly spews warnings

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Message-ID: <49E38393.8000700@garzik.org>
Date:	Mon, 13 Apr 2009 14:25:23 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: microcode driver newly spews warnings

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'
>> Modules linked in: microcode(-) kvm_intel kvm uinput sr_mod i2c_i801 
>> cdrom i2c_c
>> ore ata_generic sg firewire_ohci snd_hda_codec_realtek pata_marvell 
>> snd_hda_inte
>> l snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc 
>> e1000e ahci lib
>> ata sd_mod scsi_mod crc_t10dif ext3 jbd uhci_hcd ehci_hcd [last 
>> unloaded: scsi_w
>> ait_scan]
>> Pid: 2161, comm: rmmod Not tainted 2.6.30-rc1-00306-g8371f87 #1
>> Call Trace:
>>  [<ffffffff80241a2f>] warn_slowpath+0xaf/0x110
>>  [<ffffffff80324046>] ? sysfs_addrm_finish+0x1a6/0x250
>>  [<ffffffff802294d9>] ? __phys_addr+0x9/0x50
>>  [<ffffffff802294d9>] ? __phys_addr+0x9/0x50
>>  [<ffffffff8036c49d>] ? kobject_release+0x5d/0xa0
>>  [<ffffffff802ba7c2>] ? __vunmap+0x12/0x110
>>  [<ffffffff80325a8b>] sysfs_remove_group+0xeb/0xf0
>>  [<ffffffffa0207468>] mc_sysdev_remove+0x38/0x50 [microcode]
>>  [<ffffffff803fc2f8>] sysdev_driver_unregister+0x68/0xa0
>>  [<ffffffffa0207eed>] microcode_exit+0x39/0x65 [microcode]
>>  [<ffffffff8026c511>] sys_delete_module+0x191/0x250
>>  [<ffffffff8020b5bb>] system_call_fastpath+0x16/0x1b
>> ---[ end trace 0a72bfd99e89dde6 ]---
>> ------------[ cut here ]------------
> 
> 
> Full dmesg and lspci attached.

Whoops, forgot kernel config.  Attached.

	Jeff




Download attachment "config.txt.gz" of type "application/x-gzip" (13771 bytes)