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From: "H. Peter Anvin" <hpa@zytor.com>
To: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
	Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org
Subject: Re: 2.6.{26.2,27-rc} oops on virtualbox
Date: Fri, 22 Aug 2008 11:11:25 -0700	[thread overview]
Message-ID: <48AF014D.8040103@zytor.com> (raw)
In-Reply-To: <20080822142054.403cbdef@doriath.conectiva>

[-- Attachment #1: Type: text/plain, Size: 138 bytes --]

Hi Luiz, two more tests:

1. a small program to run in userspace and tell us what you get;
2. a patch against -linus for testing.

	-hpa


[-- Attachment #2: nopl.c --]
[-- Type: text/x-csrc, Size: 263 bytes --]

#include <stdio.h>

int main(void)
{
  unsigned int eax, edx;

  asm(".byte 0x0f,0x1f,0x84,0x00,0x98,0x98,0x98,0x98,0x92,0x90,0x90,0x90"
      : "=a" (eax), "=d" (edx)
      : "a" (0x88776655), "d" (0x44332211));

  printf("%08x:%08x\n", edx, eax);
  return 0;
}

[-- Attachment #3: diff --]
[-- Type: text/plain, Size: 386 bytes --]

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 }
 };
 

  reply	other threads:[~2008-08-22 18:12 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-20 19:29 2.6.{26.2,27-rc} oops on virtualbox Luiz Fernando N. Capitulino
2008-08-21 21:34 ` H. Peter Anvin
2008-08-22  6:42   ` H. Peter Anvin
2008-08-22  6:50     ` Ingo Molnar
2008-08-22 14:39       ` Luiz Fernando N. Capitulino
2008-08-22 15:34         ` Mathieu Desnoyers
2008-08-22 16:29           ` Luiz Fernando N. Capitulino
2008-08-22 16:35             ` Mathieu Desnoyers
2008-08-22 17:20               ` Luiz Fernando N. Capitulino
2008-08-22 18:11                 ` H. Peter Anvin [this message]
2008-08-22 19:40                   ` Luiz Fernando N. Capitulino
2008-08-22 20:31                     ` H. Peter Anvin
2008-08-22 20:55                       ` Luiz Fernando N. Capitulino
2008-08-22 20:57                 ` Luiz Fernando N. Capitulino
2008-08-22 21:08                   ` H. Peter Anvin
2008-08-26 14:18                     ` Gerhard Brauer
2008-08-26 14:53                       ` Mathieu Desnoyers
2008-08-26 16:09                         ` Luiz Fernando N. Capitulino
2008-08-26 16:13                         ` Luiz Fernando N. Capitulino
2008-08-26 17:18                           ` Mathieu Desnoyers
2008-08-26 17:32                             ` H. Peter Anvin
2008-08-26 18:02                             ` Luiz Fernando N. Capitulino
2008-08-26 18:15                               ` Mathieu Desnoyers
2008-08-26 19:52                                 ` H. Peter Anvin
2008-08-26 20:34                                 ` Gerhard Brauer
2008-08-26 20:48                                   ` Mathieu Desnoyers
2008-08-26 21:25                                     ` Gerhard Brauer
2008-08-26 21:35                                       ` Mathieu Desnoyers
2008-08-26 21:51                                         ` H. Peter Anvin
2008-08-27  0:13                                         ` Gerhard Brauer
2008-08-27 19:13                                   ` Luiz Fernando N. Capitulino
2008-08-27 23:33                                     ` Mathieu Desnoyers
2008-08-28 13:30                                       ` Luiz Fernando N. Capitulino
2008-08-31  9:29                                         ` Gerhard Brauer
2008-08-31 13:28                                           ` Stefan Lippers-Hollmann
2008-08-31 14:03                                             ` Gerhard Brauer
2008-08-31 14:09                                           ` Luiz Fernando N. Capitulino
2008-09-21 13:41                                             ` Gerhard Brauer
2008-09-22  9:51                                               ` Ingo Molnar
2008-09-24 13:24                                               ` Luiz Fernando N. Capitulino
2008-08-28 13:50                                       ` Gerhard Brauer
2008-08-26 19:27                         ` Gerhard Brauer
2008-08-26 16:02                       ` Luiz Fernando N. Capitulino
2008-08-26 16:40                         ` Gerhard Brauer
2008-08-22 17:16             ` H. Peter Anvin
2008-08-22 17:45               ` Mathieu Desnoyers
2008-08-22 17:57                 ` H. Peter Anvin
2008-08-22 19:10               ` Luiz Fernando N. Capitulino
2008-08-22 19:14                 ` H. Peter Anvin
2008-08-22 19:18                 ` H. Peter Anvin
2008-08-22 19:42                   ` Luiz Fernando N. Capitulino
2008-08-22 14:28   ` Luiz Fernando N. Capitulino

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