Re: REGRESSION: the new i386 timer code fails to sync CPUs

From: Siddha, Suresh B
Date: Mon Jul 24 2006 - 12:10:51 EST


On Sun, Jul 23, 2006 at 05:37:55AM -0700, Andrew Morton wrote:
> On Sun, 23 Jul 2006 14:08:29 +0200
> Matthias Urlichs <smurf@xxxxxxxxxxxxxx> wrote:
> > Interestingly, CPU0/1 gets 6000 bogomips while CPU2/3 only reaches 5600 ..?
> > (That happens with both kernels.) I do wonder why, and whether this has any
> > bearing on the current problem.
>
> I wouldn't expect it to matter, unless the TSCs are running at different
> speeds or something.

Matthias, Can you send us the /proc/cpuinfo output of your system?

>From your config it looks like CPU_FREQ is disabled. Perhaps, can you try with
CPU_FREQ enabled in your config and see if you see the same issue?

thanks,
suresh
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