On Thu, Aug 27, 2009 at 04:05:15PM -0700, Grant Lowe wrote:
> I've got a 240z with Solaris 10 Update 7, all the latest patches from 
> Sunsolve.  I've installed a boot drive with ZFS.  I mirrored the drive with 
> zpool.  I installed the boot block.  The system had been working just fine.  
> But for some reason, when I try to boot, I get the error: 
> 
> {1} ok boot -s
> Boot device: /p...@1c,600000/s...@2/d...@0,0  File and args: -s
> SunOS Release 5.10 Version Generic_141414-08 64-bit
> Copyright 1983-2009 Sun Microsystems, Inc.  All rights reserved.
> Use is subject to license terms.
> Division by Zero
> {1} ok

My guess: s0 was to small when updating the boot archive.
So booting from a jumstart dir/CD, mounting s0 (e.g. to /a)
and running bootadm update-archive -R /a should fix the problem.

If you are low on space on /, manually 
rm -f /a/platform/sun4u/boot_archive before doing the update-archive.
If still not enough space, try to move some other stuff temp. away, 
e.g. /core , /etc/mail/cf ...

Good luck,
jel.
-- 
Otto-von-Guericke University     http://www.cs.uni-magdeburg.de/
Department of Computer Science   Geb. 29 R 027, Universitaetsplatz 2
39106 Magdeburg, Germany         Tel: +49 391 67 12768
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