Messages in this thread | | | Date | Sat, 9 Aug 2003 17:17:06 -0500 | From | Greg Norris <> | Subject | Re: [2.6.0-test3] Hyperthreading gone |
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Did you select CPU Enumeration Only, or "normal" ACPI? If the former, did you specify the "acpismp=force" parameter at bootup?
On Sat, Aug 09, 2003 at 07:08:43PM +0200, Florian Weimer wrote: > ACPI with CPU enumeration is enabled, but the sibling CPUs aren't > activated. > > This is all what I have of the boot message (standard buffer size is > too small, apparently): > > CPU: After all inits, caps: 3febfbff 00000000 00000000 00000080 > Intel machine check architecture supported. > Intel machine check reporting enabled on CPU#3. > CPU#3: Intel P4/Xeon Extended MCE MSRs (12) available > CPU#3: Thermal monitoring enabled > CPU3: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01 > Total of 4 processors activated (11034.62 BogoMIPS). > WARNING: No sibling found for CPU 0. > WARNING: No sibling found for CPU 1. > WARNING: No sibling found for CPU 2. > WARNING: No sibling found for CPU 3. > > Recent 2.4.x kernels (starting with 2.4.20 IIRC) support > Hyperthreading on this machine (Siemens Primergy H450). > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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