headless conf loses a cpu

Gilboa Davara gilboad at gmail.com
Thu Sep 7 21:33:18 UTC 2006

On Thu, 2006-09-07 at 15:30 +0100, T. Horsnell wrote:
> Here I am again. Thanks to your help I've got
> my system running in headless mode. However,
> in this mode, it only sees one of the dual-core
> cpus. If I plug in (any old) VGA adapter, and 
> reboot (still in headless mode), it sees both.
> Its an Intel Core2Duo processor on an Intel
> D975XBX mobo, running FC5, 2.6.16-1.2133_FC5smp
> kernel. Multi-cpu is enabled in the BIOS, and
> the BIOS docs confirm that this board should
> operate properly with no VGA, mouse or kbd.
> My BIOS is at v. 1334, and there is one
> further upgrade which doesnt refer to this
> problem.
> According to the BIOS support site, BIOS
> support for the Core2Duo was only released
> in v. 1334 on 12 July 2006, so maybe this
> problem hasnt been seen before.
> Any ideas (again)?
> Cheers,
> Terry.

What does /proc/cpuinfo say?


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