From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Thu, 23 Nov 2006 14:08:48 -0800 (PST) Received: from page.mel.office.aconex.com (mail.aconex.com [150.101.159.26]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with ESMTP id kANM8caG022645 for ; Thu, 23 Nov 2006 14:08:40 -0800 Subject: Re: [xfs-masters] Re: 2.6.19-rc6 : Spontaneous reboots, stack overflows - seems to implicate xfs, scsi, networking, SMP From: Nathan Scott Reply-To: nscott@aconex.com In-Reply-To: <1164269545.31358.771.camel@laptopd505.fenrus.org> References: <9a8748490611211551v2ebe88fel2bcf25af004c338a@mail.gmail.com> <9a8748490611220458w4d94d953v21f7a29a9f1bdb72@mail.gmail.com> <20061123011809.GY37654165@melbourne.sgi.com> <20061122.201013.112290046.davem@davemloft.net> <20061123043543.GI3078@ftp.linux.org.uk> <1164269545.31358.771.camel@laptopd505.fenrus.org> Content-Type: text/plain Date: Fri, 24 Nov 2006 09:08:45 +1100 Message-Id: <1164319725.4695.367.camel@edge> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: xfs-masters@oss.sgi.com Cc: Al Viro , David Miller , dgc@sgi.com, jesper.juhl@gmail.com, chatz@melbourne.sgi.com, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, netdev@vger.kernel.org, linux-scsi@vger.kernel.org On Thu, 2006-11-23 at 09:12 +0100, Arjan van de Ven wrote: > On Thu, 2006-11-23 at 04:35 +0000, Al Viro wrote: > > > I would even say 10 function calls deep to allocate file blocks > > > is overkill, but 22 it just astronomically bad. > > > > Especially since a large part is due to cxfs... > > - > > it's a bit sad to see XFS this crippled in linux due to an external, > proprietary module ;( Heh, never let reality get in the way of a good conspiracy theory. The stack depth in XFS is more a factor of the complexity of the XFS space allocation algorithms, and is unrelated to CXFS. I'm sure if people would point to specific stack issues they would (continue to) get addressed. Its just so much easier to speculate randomly though... cheers. -- Nathan