Messages in this thread | | | Subject | Re: PROBLEM: Incorrect CPUs (Xeon 1.8 with HT) frequency ? | From | Justin Cormack <> | Date | 20 Jan 2003 16:01:06 +0000 |
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On Mon, 2003-01-20 at 15:32, Andrey V. Ignatov wrote: > I think that kernel detect my CPUs not correctly. I have box with dual > Xeon CPU 1.80GHz and HT feature. Kernel successfully found all 4 > virtual CPUs but frequency of each CPUs is incorrect as I mean. > My system build on Intel╝ E7500 chipset. > I try kernels : 2.4.20 & 2.4.21-pre3... > Output from /proc/cpuinfo (for each processor the same): > vendor_id : GenuineIntel > cpu family : 15 > model : 2 > model name : Intel(R) Xeon(TM) CPU 1.80GHz > stepping : 7 > cpu MHz : 798.659 > cache size : 512 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 > bogomips : 1592.52
Some BIOSs on the Xeon boards dont seem to set the multiplier right. Set it by hand in the BIOS (as a multiple of real FSB ie 100 for 400MHz bus, 133 for 533 bus).
Justin
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