William L. Maltby wrote: > On Fri, 2008-06-20 at 15:57 -0500, Lanny Marcus wrote: > >> On 6/20/08, Alwin Roosen <alwin.roosen at webline.be> wrote: >> <snip> >> >>> <snip> >>> > > >>> ws174 login: CPU 1: Machine Check Exception: 0000000000000005 >>> CPU 0: Machine Check Exception: 0000000000000004 >>> Bank 3: f62000020002010a at 0000000032c93500 >>> Bank 5: f20000300c000e0f >>> Kernel panic - not syncing: CPU context corrupt >>> Bank 3: f62000020002010a >>> >> Two banks of Memory (3 and 5) have problems? >> >> If the RAM tests OK, suggest you swap the motherboard >> > > IIRC, you have memory interleaved? I've had problems with that, in the > past, on ... an acer? Anyway, if so, try turning it off in the BIOS > setup. > > Also, make sure you have the latest BIOS for the mainboard. > I'm pretty sure those 'banks' mentioned in that error relate to the on-CPU cache, and not to motherboard main RAM. any ECC in a MACHINE CHECK is likely CACHE ecc, not main memory ECC.