Date: Wed, 06 Dec 2000 16:23:20 GMT From: Daniel Nilsson <daniel.n.nilsson@home.se> To: gallatin@cs.duke.edu, wkb@freebie.demon.nl, freebsd-alpha@freebsd.org, Subject: Re: Re: part numbers for 2100 5/300 processor modules? Message-ID: <976119800.126daniel.n.nilsson@home.se>
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Hi All, I'll just throw in a little note about ECC errors. The Tru64 OS does the logging of the error but that's it. The actual handling of the error when detected by the hardware is done by PAL code. This is true for EV6 based systems but I'd guess it's the same for older CPU's as well. Regards Daniel Nilsson > Wilko Bulte writes: > > > > Tomorrow we will know more. Today I first had to remove the broken > > 512Mb memory module from the Lynx. FreeBSD does not tolerate memory errors, > > the ECC needs CPU help and that is not given. Instead a panic is done ;-) > > Ecc errors are tolerated: > > Jul 11 13:50:00 hurricane /kernel: Warning: received processor correctable error. > > This is an AS600 5/266. I'm pretty sure its an ecc error because it > complained of them fairly bitterly back when it was running Tru64. > > I think the problem is that memory which is totally broken and > generates a machine-check when accessed is not tolerated by FreeBSD, > but is tolerated by Tru64. Somebody once told me that Tru64 probes > all the memory and is smart enough to not use bad memory, that's > probably how it survives on your machine.. > > Drew > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-alpha" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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