Bug 35272

Summary:	2.6.38.6 -stable regression: kernel insta-death on boot.
Product:	Platform Specific/Hardware	Reporter:	Maciej Rutecki (maciej.rutecki)
Component:	i386	Assignee:	platform_i386
Status:	CLOSED CODE_FIX
Severity:	normal	CC:	bp, maciej.rutecki, rjw
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.38.6	Subsystem:
Regression:	Yes	Bisected commit-id:
Bug Depends on:
Bug Blocks:	32012

Description Maciej Rutecki 2011-05-17 18:48:49 UTC

Subject    : 2.6.38.6 -stable regression: kernel insta-death on boot.
Submitter  : Nick Bowler <nbowler@elliptictech.com>
Date       : 2011-05-14 19:57
Message-ID : 20110514195741.GA10757@elliptictech.com
References : http://marc.info/?l=linux-kernel&m=130541471818831&w=2

This entry is being used for tracking a regression from 2.6.38. Please don't
close it until the problem is fixed in the mainline.

Caused by:

  commit 15f0758f185241ad9c358a5bf60ff0a21eccc218
  Author: Boris Ostrovsky <ostr@amd64.org>
  Date:   Fri Apr 29 17:47:43 2011 -0400
  
      x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors
       
      Reported-by: Joerg-Volker Peetz <jvpeetz@web.de>
      Tested-by: Joerg-Volker Peetz <jvpeetz@web.de>
      Acked-by: Borislav Petkov <borislav.petkov@amd.com>
      Signed-off-by: Boris Ostrovsky <Boris.Ostrovsky@amd.com>
      Link: http://lkml.kernel.org/r/1304113663-6586-1-git-send-email-ostr@amd64.org
      Signed-off-by: Ingo Molnar <mingo@elte.hu>
      Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

First-Bad-Commit : 15f0758f185241ad9c358a5bf60ff0a21eccc218

Comment 1 Borislav Petkov 2011-05-18 14:14:53 UTC

Confirmation that the issue is fixed:

http://marc.info/?l=linux-kernel&m=130567145321467

Patches fixing it:

http://git.kernel.org/tip/14fb57dccb6e1defe9f89a66f548fcb24c374c1d
http://git.kernel.org/tip/328935e6348c6a7cb34798a68c326f4b8372e68a

I will backport them as soon as they hit mainline.

Thanks.

Comment 2 Ingo Molnar 2011-05-18 15:27:19 UTC

> I will backport them as soon as they hit mainline.

FYI, they are upstream already, Linus pulled them and pushed it out earlier 
today.

Thanks,

	Ingo