Date: Tue, 24 Feb 1998 12:26:29 -0700 From: Steve Passe <smp@csn.net> To: sos@FreeBSD.ORG Cc: smp@FreeBSD.ORG Subject: Re: mpfps Base Table HOSED! Message-ID: <199802241926.MAA00440@Ilsa.StevesCafe.com> In-Reply-To: Your message of "Tue, 24 Feb 1998 20:08:13 %2B0100." <199802241908.UAA00375@sos.freebsd.dk>
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Hi, > In reply to Steve Passe who wrote: > > Hi, > > > > > > I've just updated the BIOS on my TYAN 1662D board to 4.0E with > > > NCR SCSI extensions, and this is what I'm told: > > > > > > PANIC: mpfps Base Table HOSED! > > > > > > This is because there is some new entries in the tabel with type # 176 > > > and the system doesn't understand those (mp_machdep.c). > > > I've temporarily disabled the panic for those values and the system > > > runs without problems... > > > Any ideas of what those values mean ?? > > > Should we let them pass without panic'ing ?? > > > > I just searched the Intel site, nothing newer than MPspec 1.4 there. > > Page 4-6 of the 1-4 spec lists the legal types, and says "All other type > > codes are reserved". So if we want to be correct this should probably > > be handled as a "rogue hardware" situation till we have reason to believe > > otherwise. > > Well, I've put in a case for 176 to just ignore that value, the system > is rock stable still, so its not of much importance... > Is there any precedence on how we handle these, by config option ?? Traditionally I've used config options, perhaps 'IGNORE_MPTABLE_176' would be good. Then document it in LINT in the SMP section. At the very least I would want an informational message to come out to the console about "ignoring invalid MPtable entry: #xx: during boot if this goes into the tree. -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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