Re: 2.6.27 - SMP enabled, but only 1 CPU

["Christopher S. Aker" <caker@theshore.net>]

Christopher S. Aker wrote:
> Christopher S. Aker wrote:
>> I just compiled 2.6.27 (pae) using my .config from 2.6.26.  It boots 
>> fine, but only one CPU shows up, despite "vcpus = 4" and all of the 
>> SMP goodness enabled.  This happens on both Xen 3.2.x and 3.3.x (64 
>> bit hypervisor).
>>
>> beefcake:2.6.27-linode14# grep SMP .config
>> CONFIG_X86_SMP=y
>> CONFIG_X86_32_SMP=y
>> CONFIG_USE_GENERIC_SMP_HELPERS=y
>> CONFIG_SMP=y
>> CONFIG_X86_FIND_SMP_CONFIG=y
>> # CONFIG_X86_VSMP is not set
>> CONFIG_PM_SLEEP_SMP=y
>>
>> root@ubuntu:~# uname -a
>> Linux ubuntu 2.6.27-linode14 #1 SMP Sun Oct 12 20:34:47 EDT 2008 i686 
>> GNU/Linux
>> root@ubuntu:~# cat /proc/cpuinfo
>> processor    : 0
>> ...
>> (and that's it -- just one CPU)
>>
>> I must be missing something obvious, so I'd appreciate another set of 
>> eyes on this.  My .config, boot log, and xen.conf are located here:
>>
>> http://www.theshore.net/~caker/xen/2.6.27-linode14/config.txt
>> http://www.theshore.net/~caker/xen/2.6.27-linode14/bootlog.txt
>> http://www.theshore.net/~caker/xen/2.6.27-linode14/xen.conf
> 
> Same with 2.6.27.4 and a defconfig + the paravirt stuff enabled.  So, 
> what's the trick for getting SMP working with 2.6.27.* domUs?  Has 
> anyone achieved this?

Same thing with x86_64 domUs.  I'll try reverting back to the -rcs...

-Chris