From owner-freebsd-bugs Wed Feb 22 12:04:42 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id MAA02269 for bugs-outgoing; Wed, 22 Feb 1995 12:04:42 -0800 Received: from relay3.UU.NET (relay3.UU.NET [192.48.96.8]) by freefall.cdrom.com (8.6.9/8.6.6) with ESMTP id MAA02262; Wed, 22 Feb 1995 12:04:39 -0800 Received: from news.cs.utexas.edu by relay3.UU.NET with SMTP id QQyefo03632; Wed, 22 Feb 1995 15:04:16 -0500 Received: from mail.cs.utexas.edu (root@mail.cs.utexas.edu [128.83.139.10]) by news.cs.utexas.edu (8.6.9/8.6.9) with ESMTP id OAA20385; Wed, 22 Feb 1995 14:04:02 -0600 Received: from uudell.us.dell.com (uudell.us.dell.com [143.166.224.6]) by mail.cs.utexas.edu (8.6.9/8.6.9) with SMTP id OAA12181; Wed, 22 Feb 1995 14:04:02 -0600 Received: from obiwan by uudell.us.dell.com (5.67/dns1.3) with UUCP id AA06016; Wed, 22 Feb 95 19:56:12 GMT Received: by obiwan.uucp (Smail3.1.29.1 #4) id m0rhMbn-000309C; Wed, 22 Feb 95 13:20 CST Message-Id: From: obiwan!bob@uudell.us.dell.com (Bob Willcox) Subject: Re: panic while accessing tape drive.. To: root@mother.cdrom.com (Charlie Root) Date: Wed, 22 Feb 1995 13:20:22 -0600 (CST) Cc: bugs@FreeBSD.org, julian@FreeBSD.org In-Reply-To: <199502221653.QAA00158@mother.cdrom.com> from "Charlie Root" at Feb 22, 95 04:53:00 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Content-Length: 1323 Sender: bugs-owner@FreeBSD.org Precedence: bulk Charlie Root wrote: > > Do a tar tvf /dev/rst1 and you get: > > st1: bad request, must be between 0 and 0 > st1(bt0:6:0): You might be able to avoid this by using the st command from 1.1.5.1 (I don't think we have a 2.x equivalent yet) to set blocksize to 0 (for variable length blocks). Works for me with my Exabyte 8mm. > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0xc00 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xf011263f > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = Idle > interrupt mask = bio > panic: page fault > > syncing disks... > > I know that without a backtrace it's less than trivial to know > exactly what's going on, but on the off-chance that this sparks > a "oh, right!" kinda response I figured I'd post it. This panic reminds me of what I was getting before applying the fix that John Hay posted awhile back (on 2/15, I think). His fix did get incorporated into -current. > > Jordan > -- Bob Willcox ...!{rutgers|ames}!cs.utexas.edu!uudell!obiwan!bob Austin, TX or try: @uudell.us.dell.com:obiwan!bob 512-258-4224 (home), 512-838-3914 (work)