Re: PYXIS machine check

[Praveen Srinivasan <psrin0 pop uky edu>]

So does this mean I need to replace my RAM?

Praveen

Greg Lindahl wrote:

> > PYXIS Macine check: vector=0x660 pc=0xfffffc00003104a0 code=0x202
>
> The vector is the most important part of this, not the pc. According to
> Jay's posting of 2 weeks ago, which should go into the FAQ:
>
> Machine checks are of four (4) types, as in the following table:
>
> Code      Reason                  Example or Common Cause
> ====      ======                  =======================
>
> 620     System Correctable        correctable errors in the memory subsystem,
>                                   eg single bit ECC errors, detected async to
>                                   processor execution
>
> 630     Processor Correctable     correctable cache and TLB errors, detected
>                                   internally by the processor
>
> 660     System Uncorrectable      unrecoverable memory errors
>
> 670     Processor Uncorrectable   unrecoverable cache or TLB errors, or
>                                   read of a non-existent I/O space location
>
> This means that you're getting a double-bit error in your RAM. Jay implies
> that the errors are reported asynchronously, so the PC doesn't mean
> anything...
>
> -- g
>
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