From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Wed, 06 Aug 2008 13:18:50 -0700 (PDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m76KIjn6016195 for ; Wed, 6 Aug 2008 13:18:47 -0700 Received: from ipmail05.adl2.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id A33D6367340 for ; Wed, 6 Aug 2008 13:19:59 -0700 (PDT) Received: from ipmail05.adl2.internode.on.net (ipmail05.adl2.internode.on.net [203.16.214.145]) by cuda.sgi.com with ESMTP id 8eR20UH91HzjWsQ4 for ; Wed, 06 Aug 2008 13:19:59 -0700 (PDT) Date: Thu, 7 Aug 2008 06:19:57 +1000 From: Dave Chinner Subject: Re: TAKE 981498 - Use KM_NOFS for debug trace buffers Message-ID: <20080806201957.GQ21635@disturbed> References: <20080806061553.A8D8958C52A4@chook.melbourne.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Bhagi rathi Cc: Lachlan McIlroy , xfs@oss.sgi.com On Wed, Aug 06, 2008 at 10:42:15PM +0530, Bhagi rathi wrote: > I couldn't get a chance to read the diff's completely. If I click on > Lachlan's url for diff's, I couldn't access them. It looks to me that > the issue is not just with trace buffers. It can extend to xfs_iformat > as well. The same dead-lock can spring via > > xfs_iread -> xfs_iformat -> xfs_iformat_extents -> xfs_iext_add -> > xfs_iext_inline_to_direct -> which can do kmem_alloc with > KM_SLEEP flag. Fixed already: Cheers, Dave. -- Dave Chinner david@fromorbit.com