[Beowulf] Barcelona hardware error: how to detect
hahn at mcmaster.ca
Thu Jun 5 14:43:05 EDT 2008
> The kernel patch is very extensive and, last I heard, under NDA. AMD has
the kernel patch was publicly distributed in dec 07.
it appears to add some kernel logic to avoid the specific
L3 TLB states which don't behave correctly. the bios-level
workaround is different, and appears to disable the L3 TLB -
I don't know whether that actually disables the L3 itself...
while extremely unfortunate - so much that it clearly threatens
the viability of the company, I think AMD responded reasonably.
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