From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [202.81.18.234]) by e23smtp04.au.ibm.com (8.13.1/8.13.1) with ESMTP id l8DKORrq001213 for ; Fri, 14 Sep 2007 06:24:27 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v8.5) with ESMTP id l8DKLv3U1814754 for ; Fri, 14 Sep 2007 06:21:57 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l8DKLu2E019888 for ; Fri, 14 Sep 2007 06:21:56 +1000 Message-ID: <46E99BDE.9000602@linux.vnet.ibm.com> Date: Fri, 14 Sep 2007 01:51:50 +0530 From: Balbir Singh Reply-To: balbir@linux.vnet.ibm.com MIME-Version: 1.0 Subject: Re: 2.6.23-rc4-mm1 memory controller BUG_ON() References: <1189712083.17236.1626.camel@localhost> In-Reply-To: <1189712083.17236.1626.camel@localhost> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Dave Hansen Cc: Balbir Singh , Andrew Morton , linux-mm List-ID: Dave Hansen wrote: > Looks like somebody is holding a lock while trying to do a > mem_container_charge(), and the mem_container_charge() call is doing an > allocation. Naughty. > > I'm digging into it a bit more, but thought I'd report it, first. > Hi, Dave, Thanks for reporting this. I sent out a patch to fix this problem (suggested by Nick Piggin). The patch is available at http://lkml.org/lkml/2007/9/12/113 Could you try the patch and check if the problem goes away? Any pointers on how to reproduce the problem would be extremely useful. -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org