Machine check errors
dalroi at solfertje.student.utwente.nl
Mon Jan 24 07:36:34 UTC 2011
On 24 Jan 2011, at 6:02, perryh at pluto.rain.com wrote:
> Alban Hertroys <dalroi at solfertje.student.utwente.nl> wrote:
>> Ever since installing 7.4-PRERELEASE I'm seeing MCA machine check
>> errors on my home-server ...
>> MCA: Bank 0, Status 0xb622000000000135
>> MCA: Global Cap 0x0000000000000104, Status 0x0000000000000004
>> MCA: Vendor "AuthenticAMD". ID 0x662, APIC ID 1
>> MCA: CPU 0 UNCOR PCC DCACHE L1 DRD error
>> MCA: Address 0x162933f0
> That's an error in the on-chip data cache.
It is, I saw that too.
> The first thing I would check is cooling. Maybe one of the fans
> has quit working, or the air filter (if the box has one) has gotten
> clogged up with dust, so that the CPU is running hotter than it
It's amazing how your perception of acceptable temperature ranges rises with the actual average temperature. Turns out the last time I unclogged the dust filter on the case was longer ago than I thought it was. Good call!
Temperature went down from 55C to 46C over the last 10 minutes already...
I think I'm starting to appreciate the MCA feature already :)
Screwing up is an excellent way to attach something to the ceiling.
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