Messages in this thread Patch in this message | | | Date | Wed, 25 Aug 2004 18:01:07 +0200 | From | Philippe Elie <> | Subject | Re: nmi_watchdog=2 - Oops with 2.6.8 |
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On Tue, 24 Aug 2004 at 18:42 +0000, Zarakin wrote:
> Hi, > > My Gentoo machine will not boot with nmi_watchdog=2 parameter - I get an > oops at clear_msr_range. > > Handwritten oops Info: > CPU 0 > EIP: 0060: [<0xc0110d4b>] Not tainted > EIP is at clear_msr_range+0x18/0x25 > eax: 0 ebx:1f ecx: 3ba edx: 0 > esi: 3a0 edi: 1a ebp:0 esp: d7d83f74 > ds: 7b es: 7b ss: 68
> 0xc0110d4b <clear_msr_range+24>: wrmsr
> model : 3 > model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
try this patch please.
--- linux-2.5/arch/i386/kernel/nmi.c~ 2004-06-15 10:52:00.000000000 +0200 +++ linux-2.5/arch/i386/kernel/nmi.c 2004-08-25 17:33:45.000000000 +0200 @@ -376,7 +376,13 @@ clear_msr_range(0x3F1, 2); /* MSR 0x3F0 seems to have a default value of 0xFC00, but current docs doesn't fully define it, so leave it alone for now. */ - clear_msr_range(0x3A0, 31); + if (boot_cpu_data.x86_model >= 0x3) { + /* MSR_P4_IQ_ESCR0/1 (0x3ba/0x3bb) removed */ + clear_msr_range(0x3A0, 26); + clear_msr_range(0x3BC, 3); + } else { + clear_msr_range(0x3A0, 31); + } clear_msr_range(0x3C0, 6); clear_msr_range(0x3C8, 6); clear_msr_range(0x3E0, 2); - 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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