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Date:      Sat, 2 Jan 2010 23:06:48 +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:  <20100102220648.GB1616@uriah.heep.sax.de>
In-Reply-To: <200912301122.28030.jhb@freebsd.org>
References:  <20091230082556.GD1637@uriah.heep.sax.de> <200912300839.47463.jhb@freebsd.org> <20091230143943.GA1616@uriah.heep.sax.de> <200912301122.28030.jhb@freebsd.org>

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As John Baldwin wrote:

> OTOH, I'm not sure why initializing ACPI is trashing the BAR.  If
> you want, you can try to narrow down at what point the BAR gets
> reset to 0.

Any hints about where to start doing this?  I could probably run the
machine through a remote GDB, but haven't been doing that for years
(and the machine doesn't have a FireWire interface either so I'd have
to use plain RS-232), so I'd preferrably start with a bit of "printf
debugging" first.  If someone can give me some hints about which
files/functions to touch, I'd be grateful.

-- 
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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