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Date:      Thu, 7 Jan 2010 20:16:24 +0100
From:      Joerg Wunsch <j@uriah.heep.sax.de>
To:        John Baldwin <jhb@freebsd.org>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: FreeBSD 8.0 hangs on boot with ACPI enabled
Message-ID:  <20100107191624.GO1616@uriah.heep.sax.de>
In-Reply-To: <201001070944.51985.jhb@freebsd.org>
References:  <20091230082556.GD1637@uriah.heep.sax.de> <20100106220905.GG1616@uriah.heep.sax.de> <20100107070433.GH1616@uriah.heep.sax.de> <201001070944.51985.jhb@freebsd.org>

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As John Baldwin wrote:

> You can try disabling ACPI's thermal support 
> (debug.acpi.disabled=thermal I think) to see if that helps.

Yeah!  I've got FreeBSD 8 running for the first time with ACPI enabled
on that machine now.

So the question is why acpi_thermal hangs...  I might also try
swapping the ahc0 controller back now.  Do you have any idea why this
one gets a correct resource allocation with debug.acpi.disabled=sysres
but not otherwise?  Is that rather a bug in the ACPI BIOS or in
FreeBSD?

I could probably live with enabling both debugging options for that
machine, but I'd also like to help avoiding in particular the hard
hang in acpi_thermal since it might perhaps also affect other users.

Thanks a lot for all your help so far, John, it's really appreciated!
-- 
cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



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