Messages in this thread |  | | | Subject | Re: bluesmoke, machine check exception, reboot | | From | Alan Cox <> | | Date | 28 May 2002 14:50:37 +0100 |
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On Tue, 2002-05-28 at 13:19, Corin Hartland-Swann wrote: > I have a Dual PIII-1000 running 2.4.18, and am occasionally getting the > following error: > > > CPU 1: Machine Check Exception: 000000000000000004 > > Bank 1: f200000000000115 > > Kernel panic: CPU context corrupt > > This results in a hard lock (unable to use magic SysRQ key to sync or > reboot, etc). I located these errors in arch/i386/kernel/bluesmoke.c in > the function intel_machine_check(). From what I have read on lkml it is > probably a result of the processor overheating and causing errors.
It may even be a faulty processor. If you are running the processor to spec and your heatsink/fan/voltage all check out you may want to see about getting the CPU replaced. Thats a data cache l1 read error it appears
> meantime is there anything I can do to get the machine to reboot after the > panic? After the last time that this happened, I set > /proc/sys/kernel/panic to 10, but it hasn't happened since then so I can't > tell whether it will work. The error listed above is the entire error > before the machine fails - there is no register dump or anything after > that.
That /proc setting should cause a reboot although after an MCE all things are a little undefined
> Do you think it will manage to reboot with a hopelessly confused > processor?
Should do
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