From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nathan Scott Subject: Re: [xfs-masters] Re: 2.6.19-rc6 : Spontaneous reboots, stack overflows - seems to implicate xfs, scsi, networking, SMP Date: Fri, 24 Nov 2006 09:08:45 +1100 Message-ID: <1164319725.4695.367.camel@edge> 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> Reply-To: nscott@aconex.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit 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 Return-path: To: xfs-masters@oss.sgi.com In-Reply-To: <1164269545.31358.771.camel@laptopd505.fenrus.org> Sender: linux-scsi-owner@vger.kernel.org List-Id: netdev.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