Message-ID: <48ADDF4F.2020401@zytor.com>
Date: Thu, 21 Aug 2008 14:34:07 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>
CC: linux-kernel@vger.kernel.org, mathieu.desnoyers@polymtl.ca, mingo@elte.hu
Subject: Re: 2.6.{26.2,27-rc} oops on virtualbox
References: <20080820162925.75a5e064@doriath.conectiva>
In-Reply-To: <20080820162925.75a5e064@doriath.conectiva>
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> 
>  Does this look like a kernel bug?
> 

No, it looks like a very common virtualizer bug.  Does the attached 
patch work for you?

	-hpa


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diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 2763cb3..33193fe 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -157,8 +157,6 @@ static const struct nop {
 } noptypes[] = {
 	{ X86_FEATURE_K8, k8_nops },
 	{ X86_FEATURE_K7, k7_nops },
-	{ X86_FEATURE_P4, p6_nops },
-	{ X86_FEATURE_P3, p6_nops },
 	{ -1, NULL }
 };
 

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