Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757850Ab1E3UOr (ORCPT ); Mon, 30 May 2011 16:14:47 -0400 Received: from mail-pv0-f174.google.com ([74.125.83.174]:60216 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752261Ab1E3UOq convert rfc822-to-8bit (ORCPT ); Mon, 30 May 2011 16:14:46 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type :content-transfer-encoding; b=XWzwMUT0hz6idU/WCivbJWjZeq5jXC42OyTEpIPOtBssMGdnji6tp1m1nVpc8qMAWA CpADh02CYzOG3zTEg8/seMw0cAt7MA3btsiufyN1NIlp4V/EhT4zpCmzl3b72ze48iz7 BEQR4ZM02+aAGZuiGp1RDHdMr2SbL5xyf0OMk= MIME-Version: 1.0 In-Reply-To: <20110530161014.GS25813@smp.if.uj.edu.pl> References: <20110530161014.GS25813@smp.if.uj.edu.pl> From: Andrew Lutomirski Date: Mon, 30 May 2011 16:14:26 -0400 X-Google-Sender-Auth: _AB9OdedtV5k2EZhHHJNvXRg4Gs Message-ID: Subject: Re: Kernel OOPS in function_graph_tracer due to the 44259b1abfaa8bb819d25d41d71e8e33e25dd36a commit (x86-64: Move vread_tsc into a new file with sensible options) To: Witold Baryluk Cc: Thomas Gleixner , Andi Kleen , Eric Dumazet , Ingo Molnar , John Stultz , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 974 Lines: 29 On Mon, May 30, 2011 at 12:10 PM, Witold Baryluk wrote: > Hi, > > I found yesterday a problem when booting system on Pentium-M, 32-bit. > > I got approximetly this > > [ ? ?2.459170] Testing tracer function_graph: > [ ? ?2.466979] BUG: unable to handle kernel paging request at e421cc10 > > Reverting commit 44259b1abfaa8bb819d25d41d71e8e33e25dd36a on top of current > kernel make bug disapear. > > Disabling CONFIG_FUNCTION_GRAPH_TRACER also make bug dispear. > Of course, the most trivial of my patches was the one with the most significant bug. Can you try this fix: http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=commitdiff;h=89e1be50c68eb5e58b873dce87bbac627ee18d1f --Andy -- 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/