Re: tickless/dynticks + cpufreq = tsc unstable
From: Lee Revell
Date: Fri Jan 25 2008 - 18:30:20 EST
On Jan 25, 2008 6:02 PM, Michael Tokarev <mjt@xxxxxxxxxx> wrote:
> Is it normal that once I enable cpufreq on
> a tickless system, it spews a warning:
>
> Clocksource tsc unstable (delta = -288201154 ns)
>
> ?
Yes, it's normal. Dual core AMD64 machines really do have unstable TSC.
Lee
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/