Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757057AbYFSOqT (ORCPT ); Thu, 19 Jun 2008 10:46:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751622AbYFSOqE (ORCPT ); Thu, 19 Jun 2008 10:46:04 -0400 Received: from rv-out-0506.google.com ([209.85.198.226]:23714 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756110AbYFSOpq (ORCPT ); Thu, 19 Jun 2008 10:45:46 -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=QJluB++/33xVlsdAV6smCHv5Mxn/QbX78sm006xtTcKfoxF4hZK+ISJCHh2Tipc45n BTQEGZkTIYtDUpK+bie0IE22zUieqorawYNpT6AYFiuLikVYgBXdT42tBvjpWwyLHzFe JcbJtoo51hqDeBUXpLCzoCp6P1vZUmcWZPGHY= Message-ID: <48f7fe350806190745u1b78ae61ue8e71619db5756f7@mail.gmail.com> Date: Thu, 19 Jun 2008 10:45:43 -0400 From: "Ryan Hope" To: "Arjan van de Ven" Subject: Re: [BUG] Lockless patches cause hardlock under heavy IO Cc: linux-mm@vger.kernel.org, LKML In-Reply-To: <20080618142849.13e90c6d@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <48f7fe350806181415l4eba61b3i1d206de03147575e@mail.gmail.com> <20080618142849.13e90c6d@infradead.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 971 Lines: 30 Well enabling these debug options is sorta useless because once it hardlocks I cant see or do anything.. On Wed, Jun 18, 2008 at 5:28 PM, Arjan van de Ven wrote: > On Wed, 18 Jun 2008 17:15:08 -0400 > "Ryan Hope" wrote: > >> I applied the following patches from 2.6-26-rc5-mm3 > >> >> I am on an x86_64. I dont know what other info you need... >> > > if it's locking related, enabling LOCKDEP is a first good test to do. > > CONFIG_PROVE_LOCKING=y > as well as the various spinlock/mutex lock debug questions > > > > -- > If you want to reach me at my work email, use arjan@linux.intel.com > For development, discussion and tips for power savings, > visit http://www.lesswatts.org > -- 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/