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Date: Mon, 10 Aug 2009 14:28:44 +0300
From: Alexander Motin <mav@FreeBSD.org>
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To: Yasir Khalid <y.k.thalib@gmail.com>
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Cc: freebsd-multimedia@freebsd.org
Subject: Re: Freebsd 7.2-RELEASE. no sound. snd_hda, amd64. installed wrong
 driver?
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Yasir Khalid wrote:
> I have system,
> FreeBSD ykt.void 7.2-RELEASE FreeBSD 7.2-RELEASE #0: Fri May  1 07:18:07 UTC
> 2009     root@driscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> And i have problem with my sound device, i have try some many way internet
> ,(except compiling the kernel, ), but no sound is heard.
>
> *$ cat /var/log/dmesg.today | grep hda*
> Password:
> hdac0: <ATI SB450 High Definition Audio Controller> mem
> 0xc0000000-0xc0003fff irq 16 at device 20.2 on pci0
> hdac0: HDA Driver Revision: 20090329_0131
> hdac0: [ITHREAD]
> hdac0: HDA Codec #0: Lucent/Agere Systems (Unknown)
> hdac0: HDA Codec #1: Realtek ALC262
> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> hdac0: Codec #3 is not responding! Probing aborted.
> pcm0: <HDA Realtek ALC262 PCM #0 Analog> at cad 1 nid 1 on hdac0
> pcm1: <HDA Realtek ALC262 PCM #1 Digital> at cad 1 nid 1 on hdac0
> 
> Any idea on this, what i should do? or may be a link to existing solution to
> this problem is just enough.

Realtek ALC262 is a quite simple codec, to get more information about
it's operation in this specific system, boot your system with kernel
verbose messages enabled. Also please read snd_hda man page carefully.

-- 
Alexander Motin