Messages in this thread | | | Date | Sat, 11 Mar 2006 17:07:54 -0500 (EST) | From | Justin Piszcz <> | Subject | Re: MCE Errors, Bad CPU, Memory or Motherboard? |
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Thanks for this response.
On Sat, 11 Mar 2006, Marco Roeland wrote:
> On Friday March 10th 2006 Justin Piszcz wrote: > >> This is the first time I have seen an MCE error, googling the EIP value at >> the time of the panic does not return any useful results. >> >> Does anyone know whether it is the CPU or MEMORY that is bad in this >> machine? As it shows some problems with BANK4; however, if the CPU is >> bad, then it is possible to get all sorts of unpredictable results, right? > > If it's the memory you can try swapping RAM sticks or taking them out > altogether, if you have more than one. > > Recently I saw these kind of MCE events also happen on a 3 year old > Athlon 2000 machine, which was on 24/7. There it finally turned out that > I ran an "athcool" program which enables powersaving mode on idle state. > Although this saves energy and reduces the fan noise, switching back to > work mode apparently wasn't fast enough anymore after these years. After > disabling the powersaving the MCE errors were gone. > > The difference between these MCE's on memory or on the ACPI powersaving > (if you use that at all) is really simple to diagnose: for memory they > will occur on a very busy system, whereas the powersaving errors will > occur on a completely idle system. > > But you might have real hardware problems of course. Then use the usual > routines: memtest(86), check the cooling, power surges, etc. > -- > Marco Roeland > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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