Date: Wed, 22 Feb 1995 13:20:22 -0600 (CST) From: obiwan!bob@uudell.us.dell.com (Bob Willcox) To: root@mother.cdrom.com (Charlie Root) Cc: bugs@FreeBSD.org, julian@FreeBSD.org Subject: Re: panic while accessing tape drive.. Message-ID: <m0rhMbn-000309C@obiwan.uucp> In-Reply-To: <199502221653.QAA00158@mother.cdrom.com> from "Charlie Root" at Feb 22, 95 04:53:00 pm
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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)
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