Bug 117918

Summary:	HP dc5750 will only boot with ACPI disabled
Product:	Base System	Reporter:	Pete French <petefrench>
Component:	i386	Assignee:	freebsd-acpi (Nobody) <acpi>
Status:	Closed FIXED
Severity:	Affects Only Me
Priority:	Normal
Version:	6.3-PRERELEASE
Hardware:	Any
OS:	Any

Description Pete French 2007-11-08 13:00:09 UTC

	This workstation - an HP dc5750 panics if you try and boot with ACPI
	enabled. I realise that there is another problem with these machines
	relating to the SMAP as reported in 111952, but this appears to
	be different. I see the SMAP probelem if I boot in amd64 (with or
	without ACPI enabled) but under i386 it simply panics before even
	getting to that stage.

	I am using the latest BIOS from HP, and a version of -STABLE
	from two days ago (November 6th).

Fix: 

Disabling ACPI enables the machine to boot - but it then requires
	the amount of physical memory to be set by hand in loader.conf 
	and cannot see the 2nd processor.
How-To-Repeat: 
	Attempt to boot a 6.3 kernel on one of these machines with ACPI
	enabled.

Comment 1 Mark Linimon freebsd_committer

2007-12-17 04:32:42 UTC

Responsible Changed
From-To: freebsd-bugs->freebsd-acpi

Over to maintainer(s).

Comment 2 Pete French 2008-02-06 01:10:02 UTC

This is probably the same bug as 119716 and thus should be fixed by  
the patch in the mailing list post:

http://lists.freebsd.org/pipermail/freebsd-stable/2008-January/ 
040077.html

Comment 3 John Baldwin freebsd_committer

2008-02-06 21:00:29 UTC

State Changed
From-To: open->closed

Dup of 119716.