SMP Issue on Intel Core Duo (thinkpad T60)

Dan Nelson dnelson at allantgroup.com
Mon Feb 12 04:49:30 UTC 2007


In the last episode (Feb 12), B. Estrade said:
> Greetings, I recently performed a fresh installation on a *new*
> Thinkpad T60, and I noticed that the boot up was going unusually
> slow. I grep'd dmesg, and found the following issues regarding the
> CPUs. Is this indicitive of hardware failure or is there an issue
> with FreeBSD?  I am inclinded to assume the former, but I needed some
> more eyes.
> 
> $ dmesg | grep -i CPU
> CPU: Genuine Intel(R) CPU           T2500  @ 2.00GHz (1995.02-MHz
> 686-class CPU)FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> cpu0 (BSP): APIC ID:  0
> cpu1 (AP): APIC ID:  1
> cpu0: <ACPI CPU> on acpi0
> acpi_throttle0: <ACPI CPU Throttling> on cpu0
> cpu1: <ACPI CPU> on acpi0
> acpi_throttle1: <ACPI CPU Throttling> on cpu1
> SMP: AP CPU #1 Launched!
> 
> That is it - no "CPU #0 Launched!" ...

The messages are being printed by "CPU #0"; of course it's running :)

-- 
	Dan Nelson
	dnelson at allantgroup.com


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