Re: 2.6.18-rc2-mm1 timer int 0 doesn't work

Eric W. Biederman
2006-07-29T03:01:07Z

Andrew Morton <akpm@osdl.org> writes:

> On Fri, 28 Jul 2006 20:16:32 -0500
> Paul Fulghum <paulkf@microgate.com> wrote:
>
>> On Fri, 2006-07-28 at 19:15 -0500, Paul Fulghum wrote:
>> > I'm doing a build on my home machine now to see if it
>> > happens there also.
>>
>> Well, the timer int 0 problem does not happen on my home machine.
>> However, it still crashes in early boot for a different reason.
>>
>> 2.6.18-rc2 works fine with same config.
>>
>> In this case the error is:
>>
>> No per-cpu room for modules
>
> yeah, sorry, that's a known problem which nobody appears to be doing
> anything about. The expansion of NR_IRQS gobbles all the percpu memory in
> the kstat structure.

Sorry I didn't realize it was so easy to trip over.
It's on my todo list for sometime in the next couple of days.

> I assume you have a large NR_CPUS? Decreasing it should help.

Eric