Date: Wed, 16 Oct 2002 16:47:35 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: Scott Lambert <lambert@lambertfam.org> Cc: FreeBSD-SMP@FreeBSD.org Subject: RE: panic: mpfps Base Table HOSED! Message-ID: <XFMail.20021016164735.jhb@FreeBSD.org> In-Reply-To: <20021016194156.GA81711@laptop.lambertfam.org>
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On 16-Oct-2002 Scott Lambert wrote: > John Baldwin seems to think that the problem with Mr. Fiorelli's box is > that some adaptor is loading it's BIOS over the top of the MP table. Something like that. Some things to try: (but no promises of success :( ) - Disable ACPI in the BIOS if possible - Disable PXE in the BIOS if possible - Disable PXE/UNDI on the Intel adapter if possible (it may say you can hit Ctrl-S or some such to configure network booting) - Pull out the cards in question and see if it makes a difference > I think it would be the 16 bytes starting at: > > physical address: 0x000f6ab0 Well, I think it's more that the floating point structure at this address is ok. > or the 89 bytes starting at: > > physical address: 0x0009f560 This seems to be the problematic case. I wonder if it that is supposed to be a segment + offset? Hmm, it isn't supposed to be. One thing you can do while the system is running is look for 'PCMP' (the signature of the second table) in memory by hexdumping portions of /dev/mem. Some likely places to look would be anywhere starting at 0xf560. The other, perhaps unfortunate possibility is that perhaps the BIOS is storing the table at such a high memory address that we are overwriting it ourselves. The BIOS is supposed to somehow (?) tell us to avoid the memory used by the mptable, but perhaps it is not doing so or we aren't properly respecting it. > Or are those values already stomped on? The second table is very obviously stomped on. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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