Can't record on Intel ICH6--Realtek ALC260
I am trying to get my microphone working under Dapper Beta. I was able to record fine when I first installed Dapper flight CD 4, but after an update I have never been able to get recording working again. I am now using Dapper 6.06 Beta. I don't know what changed between then and now. Clearly this card can work, but I don't know where the problem lies.
I can play sounds fine. I can even play sounds from multiple apps at the same time, but I can't record. I've tried killing esd (a suggestion from ubuntu forums), and I've unmuted everything. I can hear myself through the microphone when I unmute it, which would suggest a permissions problem, but I have write permissions to /dev/dsp as part of the audio group.
Sound Recorder acts like it records, but when you play it back, it's just silence. Audacity won't even let me choose a device to record from.
I've been googling for fixes to this all week, but can't seem to find any. I would be happy to submit a bug report, but I don't know which app to say it's in reference to. Alsa? Gstreamer?
I've listed some information that hopefully will be helpful:
$ lspci
0000:00:1b.0 0403: Intel Corporation 82801FB/
$ lsmod | grep snd
snd_hda_intel 18964 4
snd_hda_codec 139824 1 snd_hda_intel
snd_pcm_oss 53664 0
snd_mixer_oss 18688 1 snd_pcm_oss
snd_pcm 89736 3 snd_hda_
snd_timer 25220 1 snd_pcm
snd 55268 14 snd_hda_
soundcore 10208 1 snd
snd_page_alloc 10632 2 snd_hda_
$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
$ tail -2 /proc/asound/
Mixers:
0: Realtek ALC260
$ amixer
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 64
Mono:
Front Left: Playback 45 [70%] [on]
Front Right: Playback 45 [70%] [on]
Simple mixer control 'PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 255 [100%]
Front Right: Playback 255 [100%]
Simple mixer control 'Front',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 64
Mono:
Front Left: Playback 22 [34%] [on]
Front Right: Playback 22 [34%] [on]
Simple mixer control 'Front Mic',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 65
Mono:
Front Left: Playback 65 [100%] [on]
Front Right: Playback 65 [100%] [on]
Simple mixer control 'Line',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 65
Mono:
Front Left: Playback 43 [66%] [on]
Front Right: Playback 43 [66%] [on]
Simple mixer control 'CD',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 65
Mono:
Front Left: Playback 57 [88%] [on]
Front Right: Playback 57 [88%] [on]
Simple mixer control 'Mic',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 65
Mono:
Front Left: Playback 65 [100%] [on]
Front Right: Playback 65 [100%] [on]
Simple mixer control 'PC Speaker',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 65
Mono:
Front Left: Playback 46 [71%] [off]
Front Right: Playback 46 [71%] [off]
Simple mixer control 'Mono',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 65
Mono: Playback 0 [0%] [off]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 35
Front Left: Capture 35 [100%] [on]
Front Right: Capture 35 [100%] [on]
Simple mixer control 'Capture',1
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 35
Front Left: Capture 35 [100%] [on]
Front Right: Capture 35 [100%] [on]
Simple mixer control 'Input Source',0
Capabilities: enum
Items: 'Mic' 'Front Mic' 'Line' 'CD'
Item0: 'Mic'
Simple mixer control 'Input Source',1
Capabilities: enum
Items: 'Mic' 'Front Mic' 'Line' 'CD'
Item0: 'Mic'
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