Re: microcode driver newly spews warnings

From: Jeff Garzik
Date: Mon Apr 13 2009 - 14:25:39 EST


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 ]---
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Full dmesg and lspci attached.

Whoops, forgot kernel config. Attached.

Jeff



Attachment: config.txt.gz
Description: GNU Zip compressed data