Re: amd64 panic snd_hda - hdac_get_capabilities: Invalid corb size (0)

From: Anton Shterenlikht <mexas_at_bristol.ac.uk>
Date: Fri, 30 Jul 2010 12:57:54 +0100
On Wed, Jul 28, 2010 at 08:17:47PM +0300, Andriy Gapon wrote:
> on 28/07/2010 20:13 Anton Shterenlikht said the following:
> > On Wed, Jul 28, 2010 at 07:51:08PM +0300, Andriy Gapon wrote:
> >> on 28/07/2010 19:44 Anton Shterenlikht said the following:
> >>  > But I just rebooted again, and reset
> >>> to defaults in BIOS, now I get:
> >>>
> >>> % 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 (1)
> >>> device_attach: hdac0 attach returned 6
> >>>
> >> This gets even stranger.
> >> Ultimate attempt - can you drop the size == 0 condition, so that reset is always
> >> tried when initial value is not correct?
> > 
> > you mean drop both
> >                 if (corbsize == 0) {}
> > 
> > and
> >                 if (rirbsize == 0) {}
> > 
> > ?
> 
> 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.

many thanks
anton

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423
Received on Fri Jul 30 2010 - 09:57:56 UTC

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