From owner-cvs-all Sun Feb 24 10: 5:48 2002 Delivered-To: cvs-all@freebsd.org Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by hub.freebsd.org (Postfix) with ESMTP id 60E1D37B404; Sun, 24 Feb 2002 10:05:41 -0800 (PST) Received: from fledge.watson.org (fledge.pr.watson.org [192.0.2.3]) by fledge.watson.org (8.11.6/8.11.5) with SMTP id g1OI5ID92018; Sun, 24 Feb 2002 13:05:18 -0500 (EST) (envelope-from robert@fledge.watson.org) Date: Sun, 24 Feb 2002 13:05:17 -0500 (EST) From: Robert Watson X-Sender: robert@fledge.watson.org To: "M. Warner Losh" Cc: gibbs@scsiguy.com, mi@aldan.algebra.com, luigi@FreeBSD.org, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/etc rc.diskless1 rc.diskless2 In-Reply-To: <20020223.231449.61230251.imp@village.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In order to cause the failure, is significant disk activity required? IF so, of what sort? I can easily set up a diskless box to create file systems of that ratio and spin booting and using the filesystem, if you can point me a little in the right direction? Does it require only reading, or also writing to the filesystem? I have little if any FFS-internals clue, but would be happy to give it a spin (both figuratively and literally). Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services On Sat, 23 Feb 2002, M. Warner Losh wrote: > In message: <200202240512.g1O5CrI74063@aslan.scsiguy.com> > "Justin T. Gibbs" writes: > : >: As far as I remember, last time this was discussed, nobody was able to > : >: offer any evidence of 4:1 actually causing problems -- there were only > : >: anecdotal accounts, just like this time... > : > > : >No. I have actual evidence. I can cause hangs very often and they go > : >away when I change to 8:1 > : > : Then why don't we fix the issue instead of papering over this by > : changing the default? If you don't have time to look at this > : personally, please file a PR with information on how to reproduce > : the hang. > > I don't have enough information to do it reliably. It would be > basically "take one of our flashes, boot until it hangs." I don't > have a generic way of causing it to happen because it doesn't happen > with every flash. I could file a PR that says that it happens, but > not a reliable way to reproduce it. > > Warner > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message