ACPI issue with ASUS P5A motherboard on 5.2-RELEASE

Philip Paeps philip+freebsd at
Sun Jan 18 08:45:21 PST 2004

On 2004-01-18 13:30:37 (+0100), Gregory Poudrel <chojin at> wrote:
> I recently had some problems with my ASUS P5A motherboard (K6-II 350) on
> FreeBSD 5.2-RELEASE.  In fact, I had GENERIC kernel installed and ACPI
> activated.

Can you post (a link to) your DSDT?  Use acpidump -d.

> First problem:
> Time flow was incorrect. In fact, 1 second meaned 0.5 second for FreeBSD.
> Each minute I tested a ntpdate and there was 76 seconds difference.  When I
> rebooted and check in BIOS, time was correct and flowed independently.

Is your BIOS set to 'local time' or to UTC?  Shouldn't really matter, but
always nice to check :-)

> Second problem:
> on my LAN there is a gateway on FreeBSD 4.9-STABLE that manages the internet 
> connection.
> When I traceroute/ping anything on the net from my PC under 5.2, there was 120 
> ms latency between my gateway and my first hop (provider LNS).
> - From any other PC of my LAN, there was normal 60 ms latency.
> I changed network cards of PC under 5.2, changed RJ45 connector... nothing 
> changed.

Which kind of network card is this?  Is it built into the board?

> I decided on boot to disactivate ACPI by setting hint.acpi.0.disabled to 1.
> No problem anymore, normal time flowing, normal ping.

I really want some of the stuff Asus-employees get to smoke when working on


 - Philip

Philip Paeps                                          Please don't CC me, I am
                                                       subscribed to the list.

  BOFH Excuse #388:
    Bad user karma.

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