Thomas Gleixner wrote:
> On Sun, 24 Feb 2008, Robert Hancock wrote:
>> Gabriel C wrote:
>>> Hi,
>>>
>>> I noticed tsc is always marked unstable on my box with 2.6.25* , 2.6.24 is
>>> fine.
>>>
>>> ..
>>>
>>> [ 0.825760] ACPI: PCI Interrupt 0000:03:0e.0[A] -> GSI 22 (level, low) ->
>>> IRQ 22
>>> [ 0.805755] Switched to high resolution mode on CPU 1
>>> [ 0.794244] Switched to high resolution mode on CPU 2
>>> [ 0.766968] Switched to high resolution mode on CPU 3
>>> [ 1.083944] Switched to high resolution mode on CPU 0
>>> [ 15.388792] Clocksource tsc unstable (delta = 9373391604 ns)
>
> Doh, this looks like the acpi_pm timer is not working at all.
>
>>> [ 15.714648] Time: acpi_pm clocksource has been installed.
>>> ..
>>>
>>> Booting nohz=off fixes that.
>>>
>>> Another strange thing is when I try to boot that kernel with
>>> clocksource=acpi_pm it just hangs.
>
> Which confirms the above.
>
>>> config is attached.
>>>
>>> Please let me know if you need more infos / want me to try patches or
>>> anything else.
>> 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/
>
> Thanks,
> tglx
>
Regards,
Gabriel
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