Messages in this thread | | | From | Joerg Platte <> | Subject | Re: cpuinfo shows wrong MHz value | Date | Thu, 19 Feb 2009 18:03:54 +0100 |
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Am Mittwoch, 18. Februar 2009 schrieb Frans Pop:
> commit ed9cbcd40004904dbe61ccc16d6106a7de38c998 > Author: Zhao Yakui <yakui.zhao@intel.com> > Date: Tue Nov 20 14:20:21 2007 -0500 > Revert "speedstep-lib.c: fix frequency multiplier for Pentium4 models > 0&1" > > That would exactly explain the factor 8 of the error.
Yes, looks like thats the reason.
> Do you have a line like the following in your debug output? > P4 - FSB %u kHz; Multiplier %u; Speed %u kHz\n > If so, what does it say for .24 and .28?
There is no such message in the log.
> Can you please provide the output of 'x86info -a' (as root) after loading > the cpuid module?
Here it is:
x86info v1.21. Dave Jones 2001-2007 Feedback to <davej@redhat.com>.
Found 1 CPU -------------------------------------------------------------------------- eax in: 0x00000000, eax = 00000002 ebx = 756e6547 ecx = 6c65746e edx = 49656e69 eax in: 0x00000001, eax = 00000f12 ebx = 00010808 ecx = 00000000 edx = 3febfbff eax in: 0x00000002, eax = 665b5001 ebx = 00000000 ecx = 00000000 edx = 007a7040
eax in: 0x80000000, eax = 80000004 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x80000001, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x80000002, eax = 20202020 ebx = 20202020 ecx = 20202020 edx = 6e492020 eax in: 0x80000003, eax = 286c6574 ebx = 50202952 ecx = 69746e65 edx = 52286d75 eax in: 0x80000004, eax = 20342029 ebx = 20555043 ecx = 30362e31 edx = 007a4847
Family: 15 Model: 1 Stepping: 2 Type: 0 Brand: 8 CPU Model: Pentium 4 (Willamette) [D0] Original OEM Processor name string: Intel(R) Pentium(R) 4 CPU 1.60GHz
Feature flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflsh ds acpi mmx fxsr sse sse2 ss ht tm Extended feature flags:
Pentium 4 specific MSRs: IA32_PLATFORM_ID=0008000000000000 System bus in order queue depth=12 MSR_EBC_FREQUENCY_ID=000000008201ff00 IA32_BIOS_SIGN_ID=0000002e00000000 Processor serial number is enabled Fast string enable is set x87 FPU Fopcode compatability mode is unset Thermal monitor enable is set Split lock disable is unset L3 cache disable is set Performance monitoring is available Suppress lock enable is unset Prefetch queue disable is unset FERR# Interrupt reporting enable is unset Branch trace storage unavailable is unset Precise Event Based Sampling Unavailable is unset
Cache info Instruction trace cache: 12K uOps, 8-way associative. L1 Data cache: 8KB, sectored, 4-way associative. 64 byte line size. L2 unified cache: 256KB, sectored, 8-way associative. 64 byte line size. TLB info Instruction TLB: 4K, 2MB or 4MB pages, fully associative, 64 entries. Data TLB: 4KB or 4MB pages, fully associative, 64 entries.
Number of reporting banks : 4
Number of extended MC registers : 12
Bank: 0 (0x400) MC0CTL: 00000000 00000000 00000000 00000000 00000000 00000000 11111111 11111111 MC0STATUS: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 MC0ADDR: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Bank: 1 (0x404) MC1CTL: 00000000 00000000 00000000 00000000 00000000 00000011 10000000 00000000 MC1STATUS: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 MC1ADDR: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Bank: 2 (0x408) MC2CTL: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 10000000 MC2STATUS: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 MC2ADDR: Couldn't read MSR 0x40a
Bank: 3 (0x40c) MC3CTL: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01111110 MC3STATUS: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 MC3ADDR: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
The physical package supports 1 logical processors
Microcode version: 0x000000000000002e
Connector type: Socket423 (PGA423 Socket)
Datasheet: http://developer.intel.com/design/pentium4/datashts/24919805.pdf Errata: http://developer.intel.com/design/pentium4/specupdt/249199.htm
MTRR registers: MTRRcap (0xfe): 0x0000000000000508 MTRRphysBase0 (0x200): 0x0000000000000006 MTRRphysMask0 (0x201): 0x0000000fc0000800 MTRRphysBase1 (0x202): 0x0000000000000000 MTRRphysMask1 (0x203): 0x0000000000000000 MTRRphysBase2 (0x204): 0x0000000000000000 MTRRphysMask2 (0x205): 0x0000000000000000 MTRRphysBase3 (0x206): 0x0000000000000000 MTRRphysMask3 (0x207): 0x0000000000000000 MTRRphysBase4 (0x208): 0x0000000000000000 MTRRphysMask4 (0x209): 0x0000000000000000 MTRRphysBase5 (0x20a): 0x0000000000000000 MTRRphysMask5 (0x20b): 0x0000000000000000 MTRRphysBase6 (0x20c): 0x0000000000000000 MTRRphysMask6 (0x20d): 0x0000000000000000 MTRRphysBase7 (0x20e): 0x0000000000000000 MTRRphysMask7 (0x20f): 0x0000000000000000 MTRRfix64K_00000 (0x250): 0x0606060606060606 MTRRfix16K_80000 (0x258): 0x0606060606060606 MTRRfix16K_A0000 (0x259): 0x0000000000000000 MTRRfix4K_C8000 (0x269): 0x0000000000000000 MTRRfix4K_D0000 0x26a: 0x0000000000000000 MTRRfix4K_D8000 0x26b: 0x0000000000000000 MTRRfix4K_E0000 0x26c: 0x0505050505050505 MTRRfix4K_E8000 0x26d: 0x0505050505050505 MTRRfix4K_F0000 0x26e: 0x0505050505050505 MTRRfix4K_F8000 0x26f: 0x0505050505050505 MTRRdefType (0x2ff): 0x0000000000000c00
1.60GHz processor (estimate).
best regards and thank you for your help Jörg -- 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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