From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754349Ab1IKWoT (ORCPT ); Sun, 11 Sep 2011 18:44:19 -0400 Received: from lucidpixels.com ([72.73.18.11]:40432 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751284Ab1IKWoS (ORCPT ); Sun, 11 Sep 2011 18:44:18 -0400 Date: Sun, 11 Sep 2011 18:44:17 -0400 (EDT) From: Justin Piszcz To: linux-kernel@vger.kernel.org cc: Alan Piszcz , mlin@ss.pku.edu.cn Subject: Re: 3.0.1: pagevec_lookup+0x1d/0x30, SLAB issues? In-Reply-To: Message-ID: References: User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 11 Sep 2011, Justin Piszcz wrote: > Hi, > > With 3.0.1 now and all options compiled in and threadirqs removed, I get the > same error this user is seeing: > http://www.gossamer-threads.com/lists/linux/kernel/1424997 > Hello Lin, I missed your mail (sender IP is in a CIDR blacklist), disabled & whitelisted for now: http://marc.info/?l=linux-kernel&m=131567477126674&w=2 I've enabled this and I will post a new e-mail / output if it happens again with debug enabled for SLAB. Response to your e-mail: > Could you tell how to reproduce this? Running a lot of processes at the same time (memory/cpu+i/o) > And would you please turn on more debug options to capture more info? Yup, done now; however, I am using SLAB, not SLUB; so I've enabled: -> [*] Debug slab memory allocations -> [*] Memory leak debugging -> [*] Debug VM > CONFIG_SLUB_DEBUG=y > CONFIG_SLUB_DEBUG_ON=y > CONFIG_DEBUG_VM=y Please let me know if there are any other options you think would be useful to enable or if this should be good, if it recurs again-- as noted above I will post an update. Justin.