Messages in this thread | | | Subject | Re: HT not active | From | Arjan van de Ven <> | Date | Mon, 14 Aug 2006 17:19:47 +0200 |
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On Mon, 2006-08-14 at 13:38 +0200, Jan Engelhardt wrote: > Hello list, > > > > I cannot get HT to be used on some machine: > > w04a# cat /proc/cpuinfo > processor : 0 > vendor_id : GenuineIntel > cpu family : 15 > model : 0 > model name : Intel(R) Pentium(R) 4 CPU 1700MHz > stepping : 10 > cpu MHz : 1694.890 > cache size : 256 KB > fdiv_bug : no > hlt_bug : no > f00f_bug : no > coma_bug : no > fpu : yes > fpu_exception : yes > cpuid level : 2 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm up > bogomips : 3393.46 > > 'ht' indicates: > #define X86_FEATURE_HT (0*32+28) /* Hyper-Threading */
the "ht" flag does not mean what you think it means..... it does NOT mean "I can use hyperthreading on this machine"; it basically means "the ht cpuid commands work", so that linux can find the nr of siblings, which can be..... 1 - 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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