Machine Check Exception

[Kaushal Shriyan]

On Tue, May 11, 2010 at 3:10 AM, Daniel J Blueman
<daniel.blueman at gmail.com> wrote:
> On Tue, May 11, 2010 at 6:45 AM, Kaushal Shriyan
> <kaushalshriyan at gmail.com> wrote:
>> On Fri, May 7, 2010 at 10:24 PM, Kaushal Shriyan
>> <kaushalshriyan at gmail.com> wrote:
>>> Hi,
>>>
>>> I get the below information on the console of Ubuntu Linux 8.04
>>> server. I did some basic troubleshooting by replacing RAM but did not
>>> help.Also I do
>>> not know how to run mce-log on this host. Please suggest/guide me the
>>> further steps to be taken to fix this issue.
>>>
>>> Thanks and Regards,
>>>
>>> Kaushal
>>>
>>> #########################################################################################################################
>>> ata 5.00 : exception Emask 0x1 SAct 0x0 SErr 0X0 action 0x0
>>> ata 5.00 : CPB resp_flags 0x11 :, CMD error
>>> ata 5.00 : cmd c8/00:88:6f:f2:01/00:00:00:00:00/e5 tag0 dma 69632
>>> ata 5.00 : status : {DRDY ERR}
>>> ata 5.00 : error : {UNC}
>>>
>>> HARDWARE ERROR
>>>
>>> CPU 1 : MACHINE CHECK EXCEPTION
>>> 4 BANK 4 : b200000000070f0f
>>> TSC 24adf1489e
>>>
>>> This is not a software problem !
>>> Run through mce-log ascii to decode and contact your hardware vendor
>>>
>>> HARDWARE ERROR
>>>
>>> CPU 0 : MACHINE CHECK EXCEPTION
>>> 4 BANK 4 : b200000000070f0f
>>> TSC 24adf15158
>>>
>>> This is not a software problem !
>>> Run through mce-log ascii to decode and contact your hardware vendor
>>>
>>> Kernel Panic - not syncing Machine check
>>> #########################################################################################################################
>>>
>>
>> Hi again,
>>
>> I have replaced all the RAM Chips with the new set and It worked fine
>> for sometime and then when i start mysql server the system spew out
>> the Machine Check Exception again
>>
>> I have tried to decode the MCE on  a test machine using the below method.
>>
>> #cat error
>> CPU 1 : MACHINE CHECK EXCEPTION 4 BANK 4 : b200000000070f0f
>> TSC 24adf1489e
>> # /usr/sbin/mcelog --k8 --ascii < error
>> HARDWARE ERROR. This is *NOT* a software problem!
>> Please contact your hardware vendor
>> CPU 1 0 data cache TSC 24adf1489e
>> STATUS 0 MCGSTATUS 0
>> #cat error
>> CPU 0 : MACHINE CHECK EXCEPTION 4 BANK 4 : b200000000070f0f
>> TSC 24adf15158
>> # /usr/sbin/mcelog --k8 --ascii < error
>> HARDWARE ERROR. This is *NOT* a software problem!
>> Please contact your hardware vendor
>> CPU 0 0 data cache TSC 24adf15158
>> STATUS 0 MCGSTATUS 0
>>
>> I am not sure what those error means. Please suggest the further steps.
>>
>> Thanks,
>>
>> Kaushal
>
> Kaushal, this isn't the right place to post for hardware help, so
> please post to the right group.
>
> Some tips for now:
>
> It's worthwhile loading BIOS defaults, and checking the processor
> and/or chipset chips aren't getting too hot (eg thermal compound under
> heatsinks dried up, sufficient case exhaust airflow), possibly
> updating the BIOS.
>
> If the problem still persists - it's most likely a motherboard issue;
> RMA it if in warranty.
>
> Thanks,
>  Daniel
> --
> Daniel J Blueman
>

Daniel

Is there  a mailing list to report Hardware issues ?

Thanks,

Kaushal