Re: 2.6.27rc1 cannot boot more than 8CPUs

Ingo Molnar
2008-08-13T14:18:01Z

* Jeff Chua <jeff.chua.linux@gmail.com> wrote:

> On Wed, Aug 6, 2008 at 5:42 PM, Jeff Chua <jeff.chua.linux@gmail.com>
> wrote:
>>>> CONFIG_X86_GENERICARCH=y
>>>> CONFIG_X86_BIGSMP=y
>>>> 8 more cpu need bigsmp mode.
>
>> Just found it under " Subarchitecture Type (Generic architecture)",
>> and then it shows the CONFIG_X86_BIGSMP option.
>
> It works. Booted with 16CPUs. 32GB RAM.

btw., could you please check that v2.6.27-rc3 (or later) kernels boot
fine (with about 8 cpus) even if you hae genericarch/bigsmp disabled,
and do not silently hang as it happened on your box before?

Ingo