On Sat, 2006-06-24 at 18:28 +0100, Peter Farrow wrote:
> Dear All,
>
> I have installed Centos 4.3 64bit on an Athlon 64 3700 running in a
> Sapphire Radeon Xpress chipset based motherboard.
>
> It has SATA2 disks, and the chipset works fine under Linux, gives good
> i/o performance etc.
>
> However, the Linux clock runs about 2.5x normal rate, [ so this machine
> is well into next week already!]
>
> Yet when you reboot it and look at the bios time it says the correct
> time and the clock runs at the right speed.
>
> When the system boot back into Linux, the clock starts off at the right
> time again but then goes racing forwards at more than double speed
> .
>
> It seems the kernel can't count the ticks correctly.
>
> Even the watch command can't count seconds correctly so "watch date"
> updates every second, which of course the system thinks is two seconds
>
> I tried both the 2.6.9-34 and 2.6.9-34-01 kernels with the same result.
>
> I might change the mobo,
>
> Does anyone else have any ideas?
I had something similar when I installed FC5 on my 64bit laptop. The
problem was fixed in later kernels but with older kernels iirc you could
solve it by specifying "i8042.nomux" as a kernel boot option.
Regards,
Patrick
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