Date: Sun, 19 Oct 1997 09:41:54 -0600 From: Steve Passe <smp@csn.net> To: dan@math.berkeley.edu (Dan Strick) Cc: freebsd-smp@freebsd.org Subject: Re: multiple I/O APICs Message-ID: <199710191541.JAA12019@Ilsa.StevesCafe.com> In-Reply-To: Your message of "Sun, 19 Oct 1997 07:28:11 PDT." <199710191428.HAA13450@math.berkeley.edu>
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Hi, > The io_apic_setup() routine in mpapic.c doesn't like my motherboard. > It says "panic io_apic_setup: apic #1". The problem seems to be that > the motherboard has more than one I/O APIC and this is not supported. > > Please forgive this possibly stupid question, but I am not yet familiar > with the Intel 1.4 MP spec. Can I configure the kernel to just ignore > the second I/O APIC that it doesn't know how to use? If I set NAPIC > to 1 in the config file, the kernel panics when it starts and tells > me that I must reconfigure it with NAPIC set to 2. > > I am not certain about the motherboard's correct name or model number. > I thought the machine was an Intel "AP450GX MP Server System", but none > of the manuals or papers that came with it, including the rather bulky > installation manual, carry any model name or number. there should be an option in the BIOS to disable the second APIC. -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD
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