Re: Clocksource tsc is always unstable with 2.6.25-* kernels andCONFIG_NO_HZ=y on my box

From: Thomas Gleixner
Date: Mon Feb 25 2008 - 14:40:36 EST


On Mon, 25 Feb 2008, Gabriel C wrote:
> >>> Booting nohz=off fixes that.
> >>>
> >>> Another strange thing is when I try to boot that kernel with
> >>> clocksource=acpi_pm it just hangs.

What happens if you add clocksource=acpi_pm and nohz=off to the kernel
commandline ?

> >> Please post your full dmesg output.
> >
> > Yes please.
>
> dmesg's from 2.6.25-rc3 witch nohz={on,off} , lspci , dmidecode and
> the used config for this kernel can be found there :
>
> http://frugalware.org/~crazy/dmesg/lara/

Hmm. Nothing really obvious.

Thanks,
tglx
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