Date: Thu, 12 Jun 2003 07:55:04 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Steven Hartland <killing@barrysworld.com> Cc: freebsd-smp@freebsd.org Subject: Re: SMP in 5.1 cant deactivate hyperthreading Message-ID: <20030612075426.F57541@carver.gumbysoft.com> In-Reply-To: <012201c32fac$3f1cfa90$b3db87d4@vader> References: <F33F0D32429BD1458C34E3315053CE520FB830@xch-nw-28.nw.nos.boeing.com> <012201c32fac$3f1cfa90$b3db87d4@vader>
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On Wed, 11 Jun 2003, Steven Hartland wrote: > sysctl machdep.hlt_logical_cpus: > machdep.hlt_logical_cpus: 1 Halting them will still cause the CPUs to be detected. They just won't do any useful work. > Relevant sections from dmesg: > 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 System Detected: 4 CPUs > cpu0 (BSP): apic id: 0, version: 0x00050014, at 0xfee00000 > cpu1 (AP): apic id: 6, version: 0x00050014, at 0xfee00000 > cpu2 (AP): apic id: 1, version: 0x00050014, at 0xfee00000 > cpu3 (AP): apic id: 7, version: 0x00050014, at 0xfee00000 -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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