Date: Fri, 20 Sep 2002 14:31:12 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: beemern <beemern@ksu.edu> Cc: smp@freebsd.org Subject: RE: For those with P4 SMP problems.. Message-ID: <XFMail.20020920143112.jhb@FreeBSD.org> In-Reply-To: <Pine.GSO.4.33L.0209201318190.13129-100000@unix2.cc.ksu.edu>
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On 20-Sep-2002 beemern wrote: > > thanks for the diff > > i made the (first) change; setting to 1, and dmesg gives: > > --snip-- > real memory = 536346624 (523776K bytes) > avail memory = 517992448 (505852K bytes) > Programming 24 pins in IOAPIC #0 > IOAPIC #0 intpin 2 -> irq 0 > Programming 24 pins in IOAPIC #1 > Programming 24 pins in IOAPIC #2 > FreeBSD/SMP: Multiprocessor motherboard > cpu0 (BSP): apic id: 0, version: 0x00050014, at 0xfee00000 > cpu1 (AP): apic id: 6, version: 0x00000000, at 0xfee00000 > io0 (APIC): apic id: 2, version: 0x00178020, at 0xfec00000 > io1 (APIC): apic id: 3, version: 0x00178020, at 0xfec80000 > io2 (APIC): apic id: 4, version: 0x00178020, at 0xfec80400 > Preloaded elf kernel "kernel" at 0xc03b2000. > --snip-- > > so theres no error, but my inclination is that its still not enabling the > 2nd cpu. again, i'm not sure how to verify for SURE whether it is or > not.. i've just been running top and looking for 2 cpu's running > > is there something in dmesg i should be looking for in particular? > > i'm going to try now by setting physical_cpu to 2..11 as you indicated and > see what happens APIC ID 1 is the second logical CPU (hyperthreading) on the first physical CPU. Do you have hyperthreading turned on in your BIOS? See if you can turn it off for these tests. Thanks. -- 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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