From owner-freebsd-bugs Thu Jul 27 03:11:06 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.11/8.6.6) id DAA17088 for bugs-outgoing; Thu, 27 Jul 1995 03:11:06 -0700 Received: from minnow.render.com (render.demon.co.uk [158.152.30.118]) by freefall.cdrom.com (8.6.11/8.6.6) with ESMTP id DAA17082 for ; Thu, 27 Jul 1995 03:11:03 -0700 Received: (from dfr@localhost) by minnow.render.com (8.6.9/8.6.9) id LAA13550; Thu, 27 Jul 1995 11:11:15 +0100 Date: Thu, 27 Jul 1995 11:11:14 +0100 (BST) From: Doug Rabson To: Matt Dillon cc: davidg@root.com, bugs@freebsd.org Subject: Re: brelse() panic in nfs_read()/nfs_bioread() In-Reply-To: <199507270327.UAA21946@blob.best.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: bugs-owner@freebsd.org Precedence: bulk On Wed, 26 Jul 1995, Matt Dillon wrote: > :> synch the disks but it can't dump core. The only message I > :> get is the panic message on the console: > :> > :> panic biodone: page busy < 0 > :> off: 180224, foff: 180224, valid: 0xFF, dirty:0 mapped:0 > :> resid: 4096, index: 0, iosize: 8192, lblkno: 22 > :> > :> I believe the failure is related to NFS. The question is, > :> is this a new bug or do any of the recent patches have a > :> chance at fixing it? Hard question considering the lack > :> of information. > : > : We've been working on this problem for the past week or so and believe it > :is fixed in 2.2-current and 2.1-stable. Please update your sources and let us > :know if the problem persists. > > Doesn't look good so far re: this particular bug and the latest > patches from current, the poor thing crashed again but we missed > the console messages so I'll have to wait till the next crash > to be sure it is the same bug. On the bright side, it doesn't look > like any new bugs have been introduced :-) Could you get a DDB backtrace for this crash? It may be caused by a mistake in NFS' use of the VFS bio code. -- Doug Rabson, Microsoft RenderMorphics Ltd. Mail: dfr@render.com Phone: +44 171 251 4411 FAX: +44 171 251 0939