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SubjectRe: 2.6.12.3 clock drifting twice too fast (amd64)
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Christoph Lameter wrote:
> On Tue, 16 Aug 2005, jerome lacoste wrote:
>
>>Installed stock 2.6.12.3 on a brand new amd64 box with an Asus extreme
>>AX 300 SE/t mainboard.
>>
>>I remember seeing a message in the boot saying something along:
>>
>> "cannot connect to hardware clock."
>>
>>And now I see that the time is changing too fast (about 2 seconds each second).
>
> The timer interrupt is probably called twice for some reason and therefore
> time runs twice as fast. Try using HPET for interrupt timing.
>
>>I don't have visual on the boot sequence anymore (only remote access).
>
> Use serial console or netconsole. The boot information is logged. Try
> dmesg.

I am seeing similar results on my Acer Ferrari 4000 (Turion64 ML-37). It
does appear that time is running 2x normal time.

Booting with noapictimer cleared up the timing issues, though it did
introduce some IRQ badness.

- -Jeff

- --
Jeff Mahoney
SuSE Labs
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