From owner-freebsd-bugs Sun Apr 7 19:44:53 1996 Return-Path: owner-bugs Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id TAA22084 for bugs-outgoing; Sun, 7 Apr 1996 19:44:53 -0700 (PDT) Received: from ter2.fl.net.au (root@ter2.fl.net.au [203.63.198.3]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id TAA21897 Sun, 7 Apr 1996 19:42:30 -0700 (PDT) Received: from cafu.fl.net.au (adf@cafu.fl.net.au [203.63.198.10]) by ter2.fl.net.au (2.0/adf) with SMTP id MAA10969; Mon, 8 Apr 1996 12:45:27 +1000 (EST) Date: Mon, 8 Apr 1996 12:43:20 +0000 () From: Andrew Foster To: "Justin T. Gibbs" cc: freebsd-bugs@freebsd.org, Rob Wise Subject: Re: Machines locking In-Reply-To: <199604080235.TAA21267@freefall.freebsd.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-bugs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Hi Justin, > >A lockup in which : > > It sounds like you stuck in disk wait. Can you compile a kernel > with DDB in it, break into the debugger when the next freeze occurs, > and use the ps command in DDB to determine the wait channel that the > processes are stuck on? It would also be good to know the enitre > hardware list for each machine. I'll do that - this has happened on SCSI Only, IDE only, and SCSI/IDE systems with controllers ranging from NCR, Adaptec 2940, Promise EIDE, some other EIDE and onboard EIDE. Thanks, Andrew ---------- Andrew Foster adf@fl.net.au