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Date: Mon, 21 Jul 2008 03:46:48 -0700
From: Jeremy Chadwick <koitsu@FreeBSD.org>
To: jhb@freebsd.org
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Cc: freebsd-stable@FreeBSD.org
Subject: Re: ACPI regression on recent 7.0-STABLE: HPET stops working
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On Mon, Jul 21, 2008 at 01:07:52PM +0300, Oleg V. Nauman wrote:
>  Well.. Backout 1.243.2.3 revision of /usr/src/sys/dev/acpica/acpi.c  
> (committed to RELENG_7 at July 10 by jhb) fixes this issue for me:
>
> acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
> Timecounter "HPET" frequency 14318180 Hz quality 900
>
> kern.timecounter.choice: TSC(800) HPET(900) ACPI-safe(850) i8254(0)  
> dummy(-1000000)
> kern.timecounter.hardware: HPET
>
>  Hopefully it helps to understand what is went wrong there.

John, do you have any ideas WRT this regression?  HPET on this user's
system has the most granularity.

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |