i have similar problems with an Acer Aspire 5650:
- I have a sound device
- there are no error messages
- there is no sound on any output device
I did a dist-upgrade from feisty to hardy.
$uname -a
Linux fluxtop 2.6.24-12-386 #1 Wed Mar 12 22:30:29 UTC 2008 i686 GNU/Linux
$lspci -v
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition
Audio Controller (rev 02)
Subsystem: Acer Incorporated [ALI] Unknown device 0090
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at d2500000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Capabilities: [70] Express Unknown type IRQ 0
$ aplay -l
**** Liste von PLAYBACK Geräten ****
Karte 0: Intel [HDA Intel], Gerät 0: ALC883 Analog [ALC883 Analog]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
$ lsmod | grep snd
snd_hda_intel 342552 3
snd_pcm_oss 40864 0
snd_mixer_oss 16896 1 snd_pcm_oss
snd_pcm 75400 2 snd_hda_intel,snd_pcm_oss
snd_page_alloc 10504 2 snd_hda_intel,snd_pcm
snd_hwdep 9476 1 snd_hda_intel
snd_seq_dummy 3972 0
snd_seq_oss 34048 0
snd_seq_midi 8480 0
snd_rawmidi 24608 1 snd_seq_midi
snd_seq_midi_event 7552 2 snd_seq_oss,snd_seq_midi
snd_seq 51152 6
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 23556 2 snd_pcm,snd_seq
snd_seq_device 8588 5
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 54692 17
snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_hwdep,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 7520 1 snd
--
No sound on HDA Intel;SigmaTel STAC9200; Gateway E100M
https://bugs.launchpad.net/bugs/156580
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