Re: Linux v2.6.12-rc6

Brice Goglin
2005-06-08T11:23:36Z

Johannes Stezenbach a écrit :
> Johannes Stezenbach wrote:
>
>>Hype-threading stopped working for me (probably due to
>>me not enabling ACPI). dmesg output and .config attached.
>>-rc5 worked fine. The board is an Asus P4P800-Deluxe.
>>
>>dmesg: WARNING: 1 siblings found for CPU0, should be 2
>
>
> Indeed SMT works fine if I enable ACPI.
> Is SMT without ACPI not supported?
>
> Johannes

You can pass acpi=ht into the kernel command line to disable
ACPI except the minimum required to get HT support.

>From Documentation/kernel-parameters.txt:
acpi= [HW,ACPI] Advanced Configuration and Power Interface
...
ht -- run only enough ACPI to enable Hyper Threading

Brice