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Date:      Tue, 11 Apr 1995 12:18:42 -0400 (EDT)
From:      Peter Dufault <dufault@hda.com>
To:        kav@ihlpf.att.com
Cc:        questions@FreeBSD.org
Subject:   Re: Problem with SCSI DAT tape drive
Message-ID:  <199504111618.MAA03650@hda.com>
In-Reply-To: <9504111347.AA01441@ig1.att.att.com> from "kav@ihlpf.att.com" at Apr 11, 95 08:47:00 am

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kav@ihlpf.att.com writes:
> 
> FreeBSD Team,
> 
> 	I'm running FreeBSD 2.1.0-Development (Feb 10th snap) and just tried
> to do a backup to a SCSI DAT tape drive. Any access to the drive causes
> a kernel panic. The drive is a WangDAT drive
> 
> aha0 targ 4 lun 0: type 1(sequential) removable SCSI1
> aha0 targ 4 lun 0: <WangDAT Model 2600      01.2 >
> st0: density code 0x13, 512-byte blocks, write-enabled 
> 
> The panic is type 12 (page fault - page not present). The current process
> is "Idle".
> 
> My other SCSI devices are working fine and the drive is known to work on other
> systems.

Can you provide a stack back trace?

I'm putting some fixes in st.c now.

-- 
Peter Dufault               Real Time Machine Control and Simulation
HD Associates, Inc.         Voice: 508 433 6936
dufault@hda.com             Fax:   508 433 5267



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