Messages in this thread | | | Date | Fri, 18 May 2007 13:17:57 +0200 | From | Claas Langbehn <> | Subject | Re: This kernel requires the following features not present on the CPU... (on a VIA C7 CPU) |
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H. Peter Anvin schrieb: > Claas Langbehn wrote: > >> Now my question is: >> >> Would it be possible to override the BIOS settings of cx8 and nx and >> activate it with linux anyway? >> The CPU supports it and I don't see any reason to disable it. >> >> > > Yes, that code is already in the git.newsetup tree. >
I just tried this code and it did not work. I am still getting the error message from the topic. This crappy BIOS disables the CPU flags each time. I have to reactivate it before each boot time :(
I attached a "x86info -a -v", if it helps.
many regards, claas x86info v1.18. Dave Jones 2001-2006 Feedback to <davej@redhat.com>.
Found 1 CPU MP Table: # APIC ID Version State Family Model Step Flags # 0 0x11 BSP, usable 6 10 9 0xfbff
-------------------------------------------------------------------------- eax in: 0x00000000, eax = 00000001 ebx = 746e6543 ecx = 736c7561 edx = 48727561 eax in: 0x00000001, eax = 000006a9 ebx = 00010800 ecx = 00000081 edx = 87c9bbff
eax in: 0x80000000, eax = 80000006 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0x80000001, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00100000 eax in: 0x80000002, eax = 20202020 ebx = 20202020 ecx = 20202020 edx = 20202020 eax in: 0x80000003, eax = 56202020 ebx = 45204149 ecx = 65687473 edx = 72702072 eax in: 0x80000004, eax = 7365636f ebx = 20726f73 ecx = 30303531 edx = 007a484d eax in: 0x80000005, eax = 00000000 ebx = 08800880 ecx = 40040140 edx = 40040140 eax in: 0x80000006, eax = 00000000 ebx = 00000000 ecx = 0080a140 edx = 00000000
eax in: 0xc0000000, eax = c0000002 ebx = 00000000 ecx = 00000000 edx = 00000000 eax in: 0xc0000001, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00003fcc eax in: 0xc0000002, eax = 00000000 ebx = 08000810 ecx = 08100f13 edx = 42000000
Family: 6 Model: 10 Stepping: 9 CPU Model : VIA C3 (Esther) [C7-M] Processor name string: VIA Esther processor 1500MHz
Feature flags: Onboard FPU Virtual Mode Extensions Debugging Extensions Page Size Extensions Time Stamp Counter Model-Specific Registers Physical Address Extensions Machine Check Architecture CMPXCHG8 instruction Onboard APIC SYSENTER/SYSEXIT Memory Type Range Registers Page Global Enable CMOV instruction Page Attribute Table CLFLUSH instruction ACPI via MSR MMX support FXSAVE and FXRESTORE instructions SSE support SSE2 support Pending Break Enable
Extended feature flags:
Instruction TLB: 8-way associative. 128 entries. Data TLB: 8-way associative. 128 entries. L1 Data cache: Size: 64Kb 4-way associative. lines per tag=1 line size=64 bytes. L1 Instruction cache: Size: 64Kb 4-way associative. lines per tag=1 line size=64 bytes. L2 (on CPU) cache: Size: 128Kb 10-way associative. lines per tag=1 line size=64 bytes. FCR: MSR: 0x00001107=0x9f1f1ac6 : 10011111 00011111 00011010 11000110 Power management: MTRR registers: MTRRcap (0xfe): 0x0000000000000508 MTRRphysBase0 (0x200): 0x0000000000000006 MTRRphysMask0 (0x201): 0x0000000fc0000800 MTRRphysBase1 (0x202): 0x000000003c000000 MTRRphysMask1 (0x203): 0x0000000ffc000800 MTRRphysBase2 (0x204): 0x00000000d8000001 MTRRphysMask2 (0x205): 0x0000000ffc000800 MTRRphysBase3 (0x206): 0x000000003bf00000 MTRRphysMask3 (0x207): 0x0000000ffff00800 MTRRphysBase4 (0x208): 0x00000000a0000001 MTRRphysMask4 (0x209): 0x00000000fc000800 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): 0x0505050505050505 MTRRfix4K_D0000 0x26a: 0x0000000000000000 MTRRfix4K_D8000 0x26b: 0x0000000000000000 MTRRfix4K_E0000 0x26c: 0x0000000000000000 MTRRfix4K_E8000 0x26d: 0x0000000000000000 MTRRfix4K_F0000 0x26e: 0x0404040404040404 MTRRfix4K_F8000 0x26f: 0x0404040404040400 MTRRdefType (0x2ff): 0x0000000000000c00
800MHz processor (estimate).
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