amd64/123978: Most recent amd64 7-Stable doesn't kick 2nd CPU.

John Baldwin jhb at freebsd.org
Thu May 29 04:15:27 UTC 2008


On Wednesday 28 May 2008 09:49:38 pm Akihiro SHIMIZU wrote:
> From: John Baldwin <jhb at freebsd.org>
> Subject: Re: amd64/123978: Most recent amd64 7-Stable doesn't kick 2nd CPU.
> Date: Wed, 28 May 2008 16:29:22 -0400
>
> > Can you provide the output of 'acpidump -t'?
>
> /*
>   APIC: Length=112, Revision=1, Checksum=203,
> 	OEMID=HP, OEM Table ID=ML115 G1, OEM Revision=0x12000712,
> 	Creator ID=FOXC, Creator Revision=0x97
> 	Local APIC ADDR=0xfee00000
> 	Flags={PC-AT}
>
> 	Type=Local APIC
> 	ACPI CPU=1
> 	Flags={ENABLED}
> 	APIC ID=0
>
> 	Type=Local APIC
> 	ACPI CPU=2
> 	Flags={DISABLED}
> 	APIC ID=129

So your BIOS only told us that your system has 1 CPU.  You may want to search 
for some BIOS setting to fix this.  Until your BIOS lists all your CPUs here, 
FreeBSD, Linux, and Windows are not going to see them.

-- 
John Baldwin


More information about the freebsd-amd64 mailing list