ACPI regression on recent 7.0-STABLE: HPET stops working
Jeremy Chadwick
koitsu at FreeBSD.org
Mon Jul 21 10:46:48 UTC 2008
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 |
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