Date: Mon, 24 Jan 2011 08:36:13 +0100 From: Alban Hertroys <dalroi@solfertje.student.utwente.nl> To: perryh@pluto.rain.com Cc: stable@freebsd.org Subject: Re: Machine check errors Message-ID: <24866F34-E715-49DE-B9BB-BECF9EFF7772@solfertje.student.utwente.nl> In-Reply-To: <4d3d07de.Zks2QhWq07V8ucNL%perryh@pluto.rain.com> References: <652E5569-2566-4D3C-BC8B-C8B00F3B61EA@solfertje.student.utwente.nl> <4d3d07de.Zks2QhWq07V8ucNL%perryh@pluto.rain.com>
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On 24 Jan 2011, at 6:02, perryh@pluto.rain.com wrote: > Alban Hertroys <dalroi@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 > should. 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 :) Alban Hertroys -- Screwing up is an excellent way to attach something to the ceiling. !DSPAM:363,4d3d2c0011731311418875!
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