From owner-freebsd-current Wed Apr 2 13:42:24 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id NAA27127 for current-outgoing; Wed, 2 Apr 1997 13:42:24 -0800 (PST) Received: from Kitten.mcs.com (Kitten.mcs.com [192.160.127.90]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id NAA27112; Wed, 2 Apr 1997 13:42:07 -0800 (PST) Received: from Jupiter.Mcs.Net (karl@Jupiter.mcs.net [192.160.127.88]) by Kitten.mcs.com (8.8.5/8.8.2) with ESMTP id PAA23246; Wed, 2 Apr 1997 15:41:50 -0600 (CST) Received: (from karl@localhost) by Jupiter.Mcs.Net (8.8.5/8.8.2) id PAA03204; Wed, 2 Apr 1997 15:41:48 -0600 (CST) Message-ID: <19970402154148.33915@Jupiter.Mcs.Net> Date: Wed, 2 Apr 1997 15:41:48 -0600 From: Karl Denninger To: Terry Lambert Cc: Karl Denninger , ache@nagual.ru, dyson@freebsd.org, bde@zeta.org.au, current@freebsd.org Subject: Re: ufs lock panic in -current References: <19970402131508.59503@Jupiter.Mcs.Net> <199704022016.NAA14329@phaeton.artisoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.64 In-Reply-To: <199704022016.NAA14329@phaeton.artisoft.com>; from Terry Lambert on Wed, Apr 02, 1997 at 01:16:38PM -0700 Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Wed, Apr 02, 1997 at 01:16:38PM -0700, Terry Lambert wrote: > > Am I correct in understanding that this isn't fixed yet, and that also the > > NFS exec() problems with paging are also still open? > > Yes. > > I believe, however, that Doug Rabson was replacing the stubbed routines > in the NFS case to respect the lock used by vclean. This is a sort > of kludge soloution, but should fix the NFS vnode problems. > > The paging problems were mentioned by John Dyson as something he > was actively looking at; they are, it seems, related to the VM object > alising issues that the Lite2 unionfs also suffers under (from my > minimal reading of John's posting and the affected code in both > FS's). > > > > I'm sorry about not being more up-to-date on this; I've been INSANELY busy > > the last few weeks, and haven't had time to dig into the NFS layer. Is it > > still as it was? > > > > (BTW, its easy to test -- a loopback mount from the same machine will fail > > just as hard as one over a real wire). > > I believe the work discussed above may be sufficient to mask both these > problems (and solve them, in one of the cases). Ok, can someone make sure to drop a note in -current when they think this is fixed? I'll take another poke at it at that point. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - The Finest Internet Connectivity http://www.mcs.net/~karl | T1's from $600 monthly to FULL DS-3 Service | 99 Analog numbers, 77 ISDN, http://www.mcs.net/ Voice: [+1 312 803-MCS1 x219]| NOW Serving 56kbps DIGITAL on our analog lines! Fax: [+1 312 803-4929] | 2 FULL DS-3 Internet links; 400Mbps B/W Internal