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Date: Fri, 30 Jul 2010 15:05:34 +0300
From: Andriy Gapon <avg@icyb.net.ua>
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To: Anton Shterenlikht <mexas@bristol.ac.uk>
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Cc: lstewart@freebsd.org, Gavin Atkinson <gavin@freebsd.org>,
	freebsd-current@freebsd.org
Subject: Re: amd64 panic snd_hda - hdac_get_capabilities: Invalid corb size
 (0)
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on 30/07/2010 14:57 Anton Shterenlikht said the following:
> On Wed, Jul 28, 2010 at 08:17:47PM +0300, Andriy Gapon wrote:
>> Change it to if (1) { ...}.
> 
> did that, and did a cold reboot:
> 
> % dmesg | fgrep -i hda
> hdac0: <ATI SB600 High Definition Audio Controller> irq 16 at device 20.2 on pci0
> hdac0: HDA Driver Revision: 20100226_0142
> hdac0: [ITHREAD]
> hdac0: hdac_get_capabilities: Invalid corb size (0)
> hdac0: Resetting corb size to 256
> hdac0: hdac_get_capabilities: Invalid rirb size (0)
> hdac0: Resetting rirb size to 256
> %
> 
> I don't think the device attached.

No further interesting/related messages after those above?
Could you please try a verbose boot?

-- 
Andriy Gapon