Why is only 1 cpu starting under 9.10

[NoOp]

On 11/09/2009 12:01 AM, drew einhorn wrote:
> Pretty sure both cpus were working the last time I paid any attention,
> which was 9.04 (I think, perhaps earlier and I just didn't notice when
> it first stopped working).  The 9.10 upgrade left some older kernels
> in /boot I'll see what happens when I try to start them.
> 
> Here's a link to a dmesg from the latest 9.04 kernel.  It does start both cpus
> 
> http://pastebin.com/m5bf8615c
> 
> Will 9.10 be happy with the older 9.04 kernel from jaunty,
> or is it expecting a kernel configured for 9.10?
> 
> Should I limp along with one cpu, or should I run with kernel
> from jaunty?


Maybe related:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/444686
[Core2Duo CPU only reports 1 core (Karmic Beta)]

Perhaps you can add on to that bug report to keep it alive & add your
details there. Hopefully that will catch the attention of a developer -
particularly since you can show diff between 9.04 and 9.10 kernels.