amd64/162708: FreeBSD 9.0-RC2 amd64 fails to boot on Dell Optiplex GX620

David J. Weller-Fahy dave-freebsd-gnats at
Sun Dec 4 10:13:54 UTC 2011

The following reply was made to PR amd64/162708; it has been noted by GNATS.

From: "David J. Weller-Fahy" <dave-freebsd-gnats at>
To: John Baldwin <jhb at>
Cc: Peter Jeremy <peterjeremy at>, freebsd-gnats-submit at
Subject: Re: amd64/162708: FreeBSD 9.0-RC2 amd64 fails to boot on Dell
 Optiplex GX620
Date: Sat, 3 Dec 2011 22:11:49 -0500

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 * John Baldwin <jhb at> [2011-11-29 15:30 -0500]:
 > Try adding 'debug.acpi.disabled=3Dhostres' at the loader prompt.
 Ah-hah - that worked!  The delay was me testing that booting from CD,
 then upgrading my 8.2 w/ ZFS v28 system to 9.0-RC2 via freebsd-update,
 including "debug.acpi.disabled=3Dhostres" in my `/boot/loader.conf`, and
 completing the update (including performing a complete reinstall of all
 ports using portmaster).
 Thanks for the help, and is there anything I need to try to see what
 needs to be fixed?  Do you need information from this machine?
 I'm keeping the second hard-drive clear right now just in case I need to
 do some test installs.
 David J. Weller-Fahy        | 'These are the questions that kept me out
 largely at innocent dot com |  of the really *good* schools.'
 dave at weller-fahy dot com |                  - One of The Group
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