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From: John Baldwin <jhb@freebsd.org>
To: Jeremy Chadwick <koitsu@freebsd.org>
Date: Mon, 21 Jul 2008 11:48:46 -0400
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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 Monday 21 July 2008 06:46:48 am Jeremy Chadwick wrote:
> 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.

ENOCONTEXT.  I will try to find the thread in my stable@ inbox, but right now 
I can't tell anything from just this e-mail.

-- 
John Baldwin