No sound on 1 channel after 2.24 upgrade

[Joe Marcus Clarke]

On Mon, 2009-01-19 at 10:07 +1300, Mark Kirkwood wrote:
> I updated to 2.24 two days ago. In spite of a silly mistake on my part 
> Gnome is up and running well (snappier than 2.22).
> 
> The mistake (in case it is relevant) - getting distracted at a critical 
> moment I missed the 'pkg_deinstall -fO gtkmm-2.12\*' and only noticed  
> after 'portupgrade -aOW' produced a raft of Gnome errors.... So 
> deinstalled the entire gnome2 metaport and did a 'portinstall gnome2' to 
> get Gnome back again. Just to be on the safe side I did the 'portupgrade 
> -f gnome-session' step afterwards.
> 
> Today I noticed that I am only getting sound on 1 channel. Also opening 
> up "Volume Control" from Gnome and altering either of "Volume" or "PCM" 
> produces crackles of the non functioning channel, and kills susbsequent 
> sound output on either channel!

Sound works fine for me with GNOME 2.24.  I have:

FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386)
Installed devices:
pcm0: <HDA Sigmatel STAC9220 PCM #0 Analog> at cad 0 nid 1 on hdac0 kld
snd_hda [MPSAFE] (1p:8v/1r:1v channels duplex default)

I know there were some HDA changes done in RELENG_7 recently.  Perhaps
they are causing your sound problem.  You didn't mention your FreeBSD
version, so I don't know.

Joe

> 
> System details:
> 
> OSS mixer on a VIA VT8251/8237A High Definition Audio Controller - HDA 
> Codec Realtek ALC660
> 
> Lines from dmesg - I notice a warning (can't recall if it was there 
> previously):
> 
> $ dmesg|grep -i hda
> hdac0: <VIA VT8251/8237A High Definition Audio Controller> mem 
> 0xff5fc000-0xff5fffff irq 17 at device 1.0 on pci2
> hdac0: HDA Driver Revision: 20081226_0122
> hdac0: [ITHREAD]
> hdac0: HDA Codec #0: Analog Devices AD1986A
> hdac0: hdac_widget_connection_parse: nid=18 WARNING: zero cnid entnum=4 
> j=2 index=0 entries=8 found=2 res=0x21002211
> pcm0: <HDA Analog Devices AD1986A PCM #0 Analog> at cad 0 nid 1 on hdac0
> pcm1: <HDA Analog Devices AD1986A PCM #1 Digital> at cad 0 nid 1 on hdac0
> hdac0: <VIA VT8251/8237A High Definition Audio Controller> mem 
> 0xff5fc000-0xff5fffff irq 17 at device 1.0 on pci2
> hdac0: HDA Driver Revision: 20081226_0122
> hdac0: [ITHREAD]
> hdac0: HDA Codec #0: Analog Devices AD1986A
> hdac0: hdac_widget_connection_parse: nid=18 WARNING: zero cnid entnum=4 
> j=2 index=0 entries=8 found=2 res=0x21002211
> pcm0: <HDA Analog Devices AD1986A PCM #0 Analog> at cad 0 nid 1 on hdac0
> pcm1: <HDA Analog Devices AD1986A PCM #1 Digital> at cad 0 nid 1 on hdac0
> hdac0: <VIA VT8251/8237A High Definition Audio Controller> mem 
> 0xff5fc000-0xff5fffff irq 17 at device 1.0 on pci2
> hdac0: HDA Driver Revision: 20081226_0122
> hdac0: [ITHREAD]
> hdac0: HDA Codec #0: Analog Devices AD1986A
> hdac0: hdac_widget_connection_parse: nid=18 WARNING: zero cnid entnum=4 
> j=2 index=0 entries=8 found=2 res=0x21002211
> pcm0: <HDA Analog Devices AD1986A PCM #0 Analog> at cad 0 nid 1 on hdac0
> pcm1: <HDA Analog Devices AD1986A PCM #1 Digital> at cad 0 nid 1 on hdac0
> 
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-- 
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