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SubjectRe: Clocksource tsc is always unstable with 2.6.25-* kernels and CONFIG_NO_HZ=y on my box
Thomas Gleixner wrote:
> 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 ?
>

Then the kernel boots and it seems to work.

http://frugalware.org/~crazy/dmesg/lara/dmesg2

>>>> 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.

If you want I can build an debug kernel and boot with initcall_debug or anything else may help to find the problem,
just let me know.

>
> Thanks,
> tglx
>

Gabriel


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