Date: Thu, 08 Nov 2007 12:58:50 +0000 From: Pete French <petefrench@ticketswitch.com> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/117918: HP dc5750 will only boot with ACPI disabled Message-ID: <E1Iq6yA-000DDS-9F@dilbert.ticketswitch.com> Resent-Message-ID: <200711081300.lA8D0Ats017227@freefall.freebsd.org>
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>Number: 117918 >Category: kern >Synopsis: HP dc5750 will only boot with ACPI disabled >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Nov 08 13:00:09 UTC 2007 >Closed-Date: >Last-Modified: >Originator: Pete French >Release: FreeBSD 6.3-PRERELEASE i386 >Organization: Ticket Switch Ltd >Environment: System: FreeBSD dilbert.rattatosk 6.3-PRERELEASE FreeBSD 6.3-PRERELEASE #0: Tue Nov 6 20:42:48 GMT 2007 petefrench@dilbert.rattatosk:/mnt/fast/usr.obj/usr/src/sys/GENERIC i386 >Description: 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). >How-To-Repeat: Attempt to boot a 6.3 kernel on one of these machines with ACPI enabled. >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. >Release-Note: >Audit-Trail: >Unformatted:
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