Messages in this thread | | | Date | Sun, 10 Aug 2003 15:04:01 -0600 | From | kwijibo@zianet ... | Subject | Re: Machine check expection panic |
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Out of curiosity I decided to try this on some other Athlon systems I have. I tried it on a dual Athlon MP 2400(2GHz) system with a Tyan 2462 motherboard. Also I tried it on a single Athlon XP 1800 with a Asus A7V motherboard. They both booted fine with the 2.6.0-test2 kernel and the machine exception code in it. So I am thinking either it is something with the older CPU's or the CPU is actually borked. Like I said though I have been using those 1.2GHz processors for a long time with no problems.
Steve
Andi Kleen wrote:
>>The CPU's aren't overclocked and have worked fine for >>me under much heavier loads than booting a kernel for >> >> > >It could be corrected ECC errors in the cache. If that >happens I would consider it a hardware problem > >(now hidden with the disabled bank). > > > >>at least a year. Using the 2.4 kernel that is. Once >>I remove the exception code from the kernel it boots >>fine and runs fine under any load I put it under. >> >> > >I maintain that such a magic hack needs at least a big fat comment. > >I still find the change very suspicious, there isn't any errata that >says that bank 0 is bad on Athlon. > >Also disabling a whole bank just for some buggy CPUs is quite a sledgehammer, >it would be probably better to identify the bank 0 sub unit that causes it >and only turn that off. > >-Andi > > > > >
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