Messages in this thread | | | Date | Wed, 19 Dec 2012 16:41:05 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update ucode on Intel's CPU |
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On 12/19/2012 04:29 PM, Jacob Shin wrote: > On Wed, Dec 19, 2012 at 04:24:09PM -0800, H. Peter Anvin wrote: >> On 12/19/2012 04:07 PM, Jacob Shin wrote: >>> >>> From what I remember, accessing memory around the memory hole (not >>> just the HT hole, but e038000000 ~ 10000000000 on our mentioned system >>> ) generated prefetches because the memory hole was marked as WB in PAT. >>> >>> I'll take a look at the system again, try the blanket MTRR covering >>> 0xe000000000 ~ 1TB, and talk to our BIOS guys. >>> >> >> Yes, but do they all #MC (as opposed to, say, fetching all FFs)? > > Yes, MCE every time and it was fatal. >
So regardless of address. Bother.
-hpa
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