On 2011-03-11 19:38:39 +0800, Andreas wrote:
>
> Can you please try to boot -rc7 with kernel parameter acpi_skip_timer_override
> and send the same output (dmesg again also with apic=debug and lspci -nnxxxx)
>
>
> Thanks,
>
> Andreas
>
> PS: My assumption is that the patch in -rc7 leads to usage of IO-APIC
>     pin2 for timer interrupt (potentially I have broken chipset
>     revision determination for some SB600.)

Hi Andreas,

I did what you said, appended acpi_skip_timer_override when boot -rc7.
Now the fans work OK. I don't know why and I don't think this is the
final solution. If not, I'll wait.

Anyway, Thank you very much!

Attach demsg and lspci output.