Ubuntu
alsa-driver package

[VIA8237 - VIA 8237] ALSA test tone not correctly played back

Asked by seema

i am using ubuntu10.10 and the sound playback does not work

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ubuntu 1306 F.... pulseaudio
 /dev/snd/pcmC0D0p: ubuntu 1306 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'V8237'/'VIA 8237 with ALC655 at 0xe400, irq 22'
   Mixer name : 'Realtek ALC655 rev 0'
   Components : 'AC97a:414c4760'
   Controls : 48
   Simple ctrls : 29
Date: Mon Nov 29 22:17:19 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SelectedCard: 0 V8237 VIA8237 - VIA 8237
SourcePackage: alsa-driver
Symptom: audio
Title: [VIA8237 - VIA 8237] ALSA test tone not correctly played back
dmi.bios.date: 09/16/2005
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: P4M800CE-8237
dmi.chassis.type: 3
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd09/16/2005:svn:pn:pvr:rvn:rnP4M800CE-8237:rvr:cvn:ct3:cvr:

Question information

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Ubuntu alsa-driver Edit question
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This question was originally filed as bug #682754.

Revision history for this message
seema (seema-rjrm) said : 		#1
Revision history for this message
Daniel T Chen (crimsun) said : 		#2

Please note that many of the important playback mixer controls still seem to be zeroed and/or muted:

Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [0.00dB] [off] <---
  Front Right: Playback 31 [100%] [0.00dB] [off] <---
Simple mixer control 'Master Mono',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [-46.50dB] [off] <---
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 26 [84%] [4.50dB] [off] <---
  Front Right: Playback 26 [84%] [4.50dB] [off] <---
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [0.00dB] [off] <---
  Front Right: Playback 31 [100%] [0.00dB] [off] <---

Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [off] <---
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [off] <---

Simple mixer control 'Duplicate Front',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [off] <---

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