Public bug reported:
On my AS Rock Nettop ION 330 (not the "HT" version which seems to have a
slightly different chipset), there is no sound via HDMI. All channels
are unmuted, HDMI cable and TV are both proven to be working with
another device running Ubuntu. There's no sound in Media player and the
speaker-test command as well as the speaker test in the "Sound" applet
in preferences make no noise, even if the TV's sound is at "Max". The TV
is a Sony Bravia KDL-32EX402.
This bug also appears in Ubuntu 8.04 (installed), Ubuntu 10.04 (Live
CD), and Ubuntu 10.10 (Live CD), all of them x86_64.
Here's some information that might be helpful:
ubu...@ubuntu:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: VT1708S Analog [VT1708S Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
card 0: NVidia [HDA NVidia], device 1: VT1708S Digital [VT1708S Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
lspci says for the audio device:
00:08.0 0403: 10de:0ac0 (rev b1)
Subsystem: 1849:0397
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 20
Memory at fae78000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
ubu...@ubuntu:~$ uname -a
Linux ubuntu 2.6.37-7-generic #19-Ubuntu SMP Tue Nov 30 23:45:33 UTC 2010
x86_64 GNU/Linux
ubu...@ubuntu:~$ dpkg --list | grep "alsa"
ii alsa-base 1.0.23+dfsg-2ubuntu1b1
ALSA driver configuration files
ii alsa-utils 1.0.23-3ubuntu1
Utilities for configuring and using ALSA
ii bluez-alsa 4.69-0ubuntu2
Bluetooth audio support
ii gstreamer0.10-alsa 0.10.30.5-2ubuntu1
GStreamer plugin for ALSA
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: upstart 0.6.6-3
ProcVersionSignature: Ubuntu 2.6.37-7.19-generic 2.6.37-rc3
Uname: Linux 2.6.37-7-generic x86_64
Architecture: amd64
Date: Thu Jan 6 09:50:28 2011
ExecutablePath: /sbin/init
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101202)
ProcEnviron: PATH=(custom, no user)
SourcePackage: upstart
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/698038
Title:
No sound via HDMI on ION 330 (nVidia MCP79 HDA,VT1708S Digital)
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