On Fri, Sep 28, 2007 at 10:03:15AM +0200, Claus Guttesen wrote: > Upgraded our 4-core to an 8-core. > > Part of dmesg: > > FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > cpu2 (AP): APIC ID: 2 > cpu3 (AP): APIC ID: 3 > cpu4 (AP): APIC ID: 4 > cpu5 (AP): APIC ID: 5 > cpu6 (AP): APIC ID: 6 > cpu7 (AP): APIC ID: 7 > > But then it says: > > SMP: AP CPU #1 Launched! > SMP: AP CPU #2 Launched! > SMP: AP CPU #3 Launched! > SMP: AP CPU #4 Launched! > SMP: AP CPU #7 Launched! > SMP: AP CPU #5 Launched! > SMP: AP CPU #6 Launched! > > Are some of the cores disabled or did they just take a walk? :-) This > is on current from Mon Sep 24 2007. So what's the problem? I see 7 additional processors launched ("SMP: AP CPU #[1-7] Launched!"), while CPU #0 is the base processor, so it never shows that message. That makes 8. Example from my dual-core system at home: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 SMP: AP CPU #1 Launched! -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |Received on Fri Sep 28 2007 - 06:11:49 UTC
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