Machine check exception with a kernel dependency

[Frank van Maarseveen]

On at least two Dell optiplex 755 systems with a Core 2 Duo I get

Feb 13 15:14:01 inari CPU 1: Machine Check Exception: 0000000000000004 
Feb 13 15:14:01 inari CPU 0: Machine Check Exception: 0000000000000005 
Feb 13 15:14:01 inari Bank 0: b200004000000800 
Feb 13 15:14:01 inari Bank 5: b200221024080400 

2.6.22.10 shows the problem, 2.6.24.2 ditto but I'm unable to reproduce
it with 2.6.24-rc8. BIOS upgrade didn't help. Removing all PCI[e] cards
didn't help either.

Does it make sense to try to pinpoint the problem to a particular
changeset (using git bisect I guess but I've never used it) or is the
hardware just broken?

-- 
Frank
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