Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760794Ab2JaVFb (ORCPT ); Wed, 31 Oct 2012 17:05:31 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:50504 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760679Ab2JaVFa (ORCPT ); Wed, 31 Oct 2012 17:05:30 -0400 Date: Wed, 31 Oct 2012 22:05:22 +0100 From: Robert Richter To: "Zhang, Jun" , Ingo Molnar , "H. Peter Anvin" Cc: Thomas Gleixner , "x86@kernel.org" , "oprofile-list@lists.sf.net" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] Sometimes, there is OOPS happened when we use oprofile. Message-ID: <20121031210522.GB4386@ivy.homofaber> References: <88DC34334CA3444C85D647DBFA962C270FD7E416@SHSMSX102.ccr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <88DC34334CA3444C85D647DBFA962C270FD7E416@SHSMSX102.ccr.corp.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 671 Lines: 24 Jun, On 29.10.12 02:33:54, Zhang, Jun wrote: > Sometimes, there is OOPS happened when we use oprofile. next > is the call stack. From call stack, we find in > call_on_stack if there is a nmi interrupt between "xchgl > %%ebx,%%esp" and "call *%%edi", system will OOPS. this should be related and fixed with: https://lkml.org/lkml/2012/9/12/269 Ingo, HPA, please apply the fix of kernel_stack_pointer(). Thanks, -Robert -- 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/