Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756609AbYFWDvf (ORCPT ); Sun, 22 Jun 2008 23:51:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753227AbYFWDv0 (ORCPT ); Sun, 22 Jun 2008 23:51:26 -0400 Received: from rv-out-0506.google.com ([209.85.198.224]:15735 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752979AbYFWDvZ (ORCPT ); Sun, 22 Jun 2008 23:51:25 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=owkTAdBralDQryY4xIK+F0qZuOcJ87Kq4nx9+Jcwx2ou+LMAYOqGvajmral2x7w1M+ WleUu6+B86NpFWHLuMg+J2joVgm6aRZ5vBkdz6Qt6UvaJpDTzzdU1QoGBmL+forI7FFC o16yhWrl6clRT4SoyzHGQcB1e6ScWTqCl21fo= Message-ID: <48f7fe350806222051g15edcd98g6faecc4a23f727ab@mail.gmail.com> Date: Sun, 22 Jun 2008 23:51:25 -0400 From: "Ryan Hope" To: "Nick Piggin" Subject: Re: [BUG] Lockless patches cause hardlock under heavy IO Cc: "Peter Zijlstra" , linux-mm@vger.kernel.org, LKML In-Reply-To: <200806231229.42943.nickpiggin@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <48f7fe350806181415l4eba61b3i1d206de03147575e@mail.gmail.com> <1214147244.3223.307.camel@lappy.programming.kicks-ass.net> <48f7fe350806220818n52cc36e9v28bdc6cf2c4cf841@mail.gmail.com> <200806231229.42943.nickpiggin@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1041 Lines: 22 well i get the hardlock on -mm with out using reiser4, i am pretty sure is swap related On Sun, Jun 22, 2008 at 10:29 PM, Nick Piggin wrote: > On Monday 23 June 2008 01:18, Ryan Hope wrote: >> Well in the current version of the patchset we are using, one user >> would start playing some game (disabling "Disable Heap Randomization" >> fixed the hardlocks for him... the other user got hardlocks when >> copying an ISO from a reiser4 partition to a reiserfs partition >> (disabling swap fixed the issue for him). > > Hmm, nobody has reported such a hang with -mm yet, so maybe it > is another interaction in the patchset. OTOH, probably nobody > much uses -mm and reiser4, and reiser4 does lots of weird fiddling > with pagecache so it could be broken in -mm even. > > -- 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/