i386/104678: SMP not working on Turion XP Laptop

[Andrew Pantyukhin]

The following reply was made to PR i386/104678; it has been noted by GNATS.

From: "Andrew Pantyukhin" <infofarmer at FreeBSD.org>
To: "Rainer Alves" <rainer.alves at gmail.com>
Cc: bug-followup at freebsd.org, danolson at visi.com, bde at zeta.org.au, 
	jhb at freebsd.org
Subject: Re: i386/104678: SMP not working on Turion XP Laptop
Date: Tue, 7 Nov 2006 16:38:11 +0300

 On 11/7/06, Rainer Alves <rainer.alves at gmail.com> wrote:
 > I own a HP dv9000 and the outcome here is even worse: FreeBSD is
 > completely unusable.
 > It doesn't matter if I disable APIC, ACPI or only SMP.
 >
 > - Booting without any hints results in the well-known keyboard slowness.
 > - Disabling APIC or ACPI results in a kernel panic while trying to
 > attach nve0 (nForce3), complete panic message available upon request.
 > - Disabling only SMP hangs the system after printing "ad0: ...".
 >
 > I've tried 6.2-BETA3 and 7.0-CURRENT (the snapshot ISO from 200610).
 > Don't know what else to do, any hints would be greatly appreciated.
 
 Try to set kern.timecounter.hardware=i8254 in /etc/sysctl.conf
 and start md5</dev/zero in the background. If you manage,
 that should make the system usable, but not glitch-free.