meaning of events in /var/log/messages
john wendel
jwendel10 at comcast.net
Tue May 17 03:11:23 UTC 2011
On 05/16/2011 03:01 PM, Mike Wright wrote:
> On 05/16/2011 02:11 PM, Michael Cronenworth wrote:
>> Mike Wright wrote:
>>> I've noticed that the messages log file has*many* of these. Does
>>> anybody know what they mean? Do they mean something good/bad/ugly/etc?
>>>
>>> It's always a "mce_notify_irq" followed by four "Machine check events
>>> logged".
>>>
>>> May 16 10:03:37 lan51 kernel: [73338.698074] mce_notify_irq: 28
>>> callbacks suppressed
>>> May 16 10:03:37 lan51 kernel: [73338.698082] Machine check events logged
>>> May 16 10:06:07 lan51 kernel: [73488.698064] Machine check events logged
>>> May 16 10:07:22 lan51 kernel: [73563.698071] Machine check events logged
>>> May 16 10:07:59 lan51 kernel: [73601.198071] Machine check events logged
>>
>> What CPU do you have?
>>
>> Does /var/log/mcelog contain anything interesting?
>
> Awesome, Michael. I really appreciate your help here.
>
> CPU is AMD Phenom(tm) II X4 B60 Processor (64bit quad-core 3300mhz)
>
> The results of looking through /var/log/mcelog don't look so good...
>
> MCE 0 (through MCE 31, then repeating)
> Mon May 16 06:02:18 2011
> HARDWARE ERROR. This is *NOT* a software problem!
> Please contact your hardware vendor
> CPU 2 2 bus unit ADDR 2000
> L2 cache ECC error
> Cache tag array error
> bit46 = corrected ecc error
> bit62 = error overflow (multiple errors)
> memory/cache error 'evict mem transaction, generic transaction, level 2'
> STATUS d40040000002017a MCGSTATUS 0
> CPUID Vendor AMD Family 16 Model 4
>
> Not sure where this points. CPU 2 (AMD problem?) or L2 cache (mobo
> problem?)
>
Not a motherboard problem, your level2 cache is on your CPU.
Regards,
John
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