i386/104678: SMP not working on Turion XP Laptop
danolson at visi.com
Wed Nov 8 23:30:32 UTC 2006
The following reply was made to PR i386/104678; it has been noted by GNATS.
From: Dan Olson <danolson at visi.com>
To: Giorgos Keramidas <keramida at freebsd.org>
Cc: bug-followup at freebsd.org
Subject: Re: i386/104678: SMP not working on Turion XP Laptop
Date: Wed, 08 Nov 2006 17:22:44 -0600
Giorgos Keramidas wrote:
> On 2006-10-22 16:52, Dan Olson <danolson at visi.com> wrote:
>> FreeBSD tron.danolson.dsl.visi.com 6.2-PRERELEASE FreeBSD
>> 6.2-PRERELEASE #0: Sun Oct 22 10:00:30 CDT 2006
>> olson at tron.danolson.dsl.visi.com:/usr/obj/usr/src/sys/TRON i386
>> SMP doesn't work on a new Turion X2 laptop. The laptop is an HP dv6119us.
>> Laptop appears to act normally by entering set hint.apic.0.disabled=1
>> at the loader prompt.
>> When that is not set, the Laptop appears to lock up but accepts
>> keyboard input. It won't display for about 10 seconds unless more keys
>> are press. If no keys are pressed it doesn't display the input.
> Hi Dan,
> I've had similar problems with an Acer Ferrari 3400-LMI, which were
> resolved by setting in `/etc/rc.conf':
> performance_cx_lowest="HIGH" # Online CPU idle state
> economy_cx_lowest="HIGH" # Offline CPU idle state
> Can you show us the values of these settings in `/etc/defaults/rc.conf'
> and in `/etc/rc.conf' on your laptop?
Starting out, these variables were not set in /etc/rc.conf. In
/etc/defaults/rc.conf they were set as suggested:
After setting them as shown in my /etc/rc.conf, no change was noticed.
I also don't think the powernow feature is detected and used, at least
with apic disabled.
Thanks for the suggestion though.
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