From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Sandeen Subject: Re: 2.6.19-rc6 : Spontaneous reboots, stack overflows - seems to implicate xfs, scsi, networking, SMP Date: Sun, 26 Nov 2006 08:31:29 -0600 Message-ID: <4569A541.3030600@sandeen.net> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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, xfs-masters@oss.sgi.com, netdev@vger.kernel.org, linux-scsi@vger.kernel.org Return-path: To: Arjan van de Ven In-Reply-To: <1164269545.31358.771.camel@laptopd505.fenrus.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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 ;( > I understand that cxfs is a bit of a whipping-boy, but the stacks in question in this thread really don't have much if anything to do with the filesystem layering in xfs. They are deep callchains & large functions in core xfs code, it seems. -Eric