Date: Fri, 10 Jun 2005 07:51:52 -0700 From: John Baldwin <jhb@FreeBSD.org> To: Dean Hamstead <dean@bong.com.au> Cc: freebsd-hardware@FreeBSD.org Subject: Re: freebsd on sgi 1200 Message-ID: <088a424ae36428ee341b9f68f4334c1f@FreeBSD.org> In-Reply-To: <42A26083.9090805@bong.com.au> References: <42A26083.9090805@bong.com.au>
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On Jun 4, 2005, at 7:16 PM, Dean Hamstead wrote: > just a quicky > > installing freebsd on some nice sgi 1200s > they are 2ru machines ,dual p3 800, mylex scsi raid > intel mainboard > > freebsd works a treat, except the motherboard > has the strangest quirk that only on cold boots > does it detect both cpu's. warm reboots cause it > to disable the second cpu and thus freebsd doesnt > pick up the second cpu (annoying) > > the same bug is present in all three machines i have > im hoping i can just force freebsd to use two cpus > > oh, i rebuilt the kernel etc, and from a cold boot > the mboard picks up both cpu's and so does freebsd > and they both work nicely. Try disabling ACPI as I have seen bugs with some Pentium III era SMP ACPI BIOSes. Also, it would be nice to see diffs of the mptable and acipdump -t output in both situations. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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