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[Henrique Ferreiro <henrique.ferreiro@xxxxxxxxx>]

AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
 Cannot stat file /proc/4543/fd/33: Stale NFS file handle
 Cannot stat file /proc/4543/fd/40: Stale NFS file handle
                      USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu     3053 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0x93580000 irq 21'
   Mixer name	: 'Realtek ALC889A'
   Components	: 'HDA:10ec0885,106b4300,00100103'
   Controls      : 32
   Simple ctrls  : 17
DistroRelease: Ubuntu 10.10
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate amd64 (20100928)
NonfreeKernelModules: wl
Package: alsa-driver (not installed)
ProcEnviron:
 LANG=gl_ES.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Tags: maverick
Uname: Linux 2.6.35-22-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 04/27/09
dmi.bios.vendor: Apple Inc.
dmi.bios.version: IM91.88Z.008D.B08.0904271717
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F2218EA9
dmi.board.vendor: Apple Inc.
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 13
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F2218EA9
dmi.modalias: dmi:bvnAppleInc.:bvrIM91.88Z.008D.B08.0904271717:bd04/27/09:svnAppleInc.:pniMac9,1:pvr1.0:rvnAppleInc.:rnMac-F2218EA9:rvr:cvnAppleInc.:ct13:cvrMac-F2218EA9:
dmi.product.name: iMac9,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.


** Tags added: apport-collected

-- 
New iMac (9,1, March 09) headphone jack works, speakers do not
https://bugs.launchpad.net/bugs/346170
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Support, which is the registrant for Mactel Support.

Status in Mactel Support: New
Status in “alsa-driver” package in Ubuntu: Confirmed

Bug description:
I got a new iMac, (version 9,1 March 09). Everything works perfectly except the sound. Sound comes out of the headphone jack. Sound does not come out of the speakers. I've tried numerous fixes, but I think it comes down to the newest iMac hardware not being supported yet. 

lspci-v 

00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
	Subsystem: nVidia Corporation Device cb79
	Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 15
	Memory at d3580000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel modules: snd-hda-intel

 aplay -l

**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC883 Analog [ALC883 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC883 Digital [ALC883 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

I get the same results in 8.10 and 9.04