Date: Wed, 16 Nov 2005 11:27:14 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-smp@freebsd.org Cc: Mark Kirkwood <markir@paradise.net.nz> Subject: Re: SMP kernel but no SMP detected on Tyan S2515 Message-ID: <200511161127.15216.jhb@freebsd.org> In-Reply-To: <437ADCED.2030906@paradise.net.nz> References: <437ADCED.2030906@paradise.net.nz>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wednesday 16 November 2005 02:17 am, Mark Kirkwood wrote: > This has me puzzled: > > I have a 2 cpu S2515 that has had SMP added to the kernel - however upon > reboot the 2nd cpu is not detected (It is detected by the BIOS BTW). I > see the following in the verbose dmesg: > > APIC: Could not find any APICs. > > I am guessing that it is turned off in the BIOS (???), if so, I've no > idea where it is (AMIBIOS is my least favorite...). > > I have enclosed a verbose dmesg and my kernel differences from GENERIC > plus the (non-existent) output from mptable. > > > Any ideas appreciated. You're going to need to fiddle with the BIOS until mptable(8) finds a valid MP Table. The kernel relies on the MP Table to enumerate CPUs and route interrupts. You can also try enabling ACPI if your machine supports ACPI. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200511161127.15216.jhb>