Messages in this thread | | | Date | Wed, 08 Jun 2005 13:23:13 +0200 | From | Brice Goglin <> | Subject | Re: Linux v2.6.12-rc6 |
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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
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