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Date: Wed, 6 Oct 2004 19:54:00 -0400
From: Brian Fundakowski Feldman <green@freebsd.org>
To: Sean McNeil <sean@mcneil.com>
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Subject: Re: usb umass regression
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On Wed, Oct 06, 2004 at 01:41:29PM -0700, Sean McNeil wrote:
> My system now locks up again when I attempt to write to my pendrive
> without going into the debugger or any output to console at all:
> 
> Oct  6 13:24:32 server kernel: da0 at umass-sim0 bus 0 target 0 lun 0
> Oct  6 13:24:32 server kernel: da0: <Memorex USB2 Thumbdrive 2.00>
> Removable Direct Access SCSI-2 device
> Oct  6 13:24:32 server kernel: da0: 1.000MB/s transfers
> Oct  6 13:24:32 server kernel: da0: 125MB (256000 512 byte sectors: 64H
> 32S/T 125C)
> 
> mount -t msdos /dev/da0s1 /mnt
> 
> I used tar:
> 
> cd /mnt
> (cd /; tar cf - var/named/etc) | tar xvf -

Have you tried SW_WATCHDOG?  E.g. add that option to the kernel, and these
to /etc/rc.conf:
watchdogd_enable="YES"
watchdogd_flags="-s 1 -t 60"

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\