Re: microcode driver newly spews warnings

From: Ingo Molnar
Date: Mon Apr 13 2009 - 14:28:29 EST



(added Cc:s)

* Jeff Garzik <jeff@xxxxxxxxxx> 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'
>>> 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
>
>
>


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