Hi everyone, I have a problem which is very similar to an existing one, which was discussed one year ago here. This one: http://www.mail-archive.com/alsa-user@xxxxxxxxxxxxxxxxxxxxx/msg22930.html So here is my setup: IPC Topnote G (Laptop) with this audio chip: 00:04.0 Multimedia audio controller [0401]: Creative Labs Ectiva EV1938 [1102:8938] Subsystem: Creative Labs Device [1102:5938] Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 96 (3000ns min, 32000ns max) Interrupt: pin A routed to IRQ 5 Region 0: I/O ports at fc40 [size=64] Region 1: I/O ports at fcc0 [size=32] Capabilities: <access denied> Kernel driver in use: ENS1371 Kernel modules: snd-ens1371 The machine runs with Debian Lenny (kernel: 2.6.26) and there is no sound with alsa. I thought the problem is fixed in a recent kernel, but compiling and installing 2.6.31.6 made no change. If I want to play an audio file there is no error message, it seems that the file ist still playing but without sound. There is no warning in dmesg, all channels are at maximum level: $ aplay -v soundfile.wav Playing WAVE 'soundfile.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono Hardware PCM card 0 'Ensoniq AudioPCI' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : RW_INTERLEAVED format : S16_LE subformat : STD channels : 1 rate : 44100 exact rate : 44101 (1445100000/32768) msbits : 16 buffer_size : 22050 period_size : 5513 period_time : 125008 tstamp_mode : NONE period_step : 1 avail_min : 5513 start_threshold : 22050 stop_threshold : 22050 silence_threshold: 0 silence_size : 0 boundary : 1445068800 ^CAborted by signal Interrupt... Here are some useful commands and their output: $ cat /proc/asound/cards 0 [AudioPCI]: ENS1371 - Ensoniq AudioPCI Ensoniq AudioPCI ENS1371 at 0xfc40, irq 5 1 [pcsp]: PC-Speaker - pcsp Internal PC-Speaker at port 0x6 $ cat /etc/modprobe.d/sound alias snd-card-0 snd-ens1371 options snd-ens1371 index=0 # alias snd-card-1 snd-pcsp options snd-pcsp index=1 $ cat .asoundrc pcm.!default { type hw card 0 } ctl.!default { type hw card 0 } $ amixer Simple mixer control 'Master',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 31 [100%] [0.00dB] Front Right: Playback 31 [100%] [0.00dB] Simple mixer control 'Master Mono',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 31 [100%] [0.00dB] Front Right: Playback 31 [100%] [0.00dB] Simple mixer control 'Bass',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 15 [100%] Simple mixer control 'Treble',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 15 [100%] Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 63 Mono: Front Left: Playback 63 [100%] [60.00dB] Front Right: Playback 63 [100%] [60.00dB] Simple mixer control 'PCM Out Path & Mute',0 Capabilities: enum Items: 'pre 3D' 'post 3D' Item0: 'pre 3D' Simple mixer control 'Line',0 Capabilities: pvolume cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 63 Front Left: Playback 63 [100%] [60.00dB] Capture [off] Front Right: Playback 63 [100%] [60.00dB] Capture [off] Simple mixer control 'CD',0 Capabilities: pvolume cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 63 Front Left: Playback 51 [81%] [42.00dB] Capture [off] Front Right: Playback 51 [81%] [42.00dB] Capture [off] Simple mixer control 'Mic',0 Capabilities: pvolume cvolume cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Capture 0 - 15 Front Left: Playback 30 [97%] [10.50dB] Capture 0 [0%] [0.00dB] [on] Front Right: Playback 30 [97%] [10.50dB] Capture 0 [0%] [0.00dB] [on] Simple mixer control 'Mic Boost (+20dB)',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Video',0 Capabilities: pvolume cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 63 Front Left: Playback 63 [100%] [60.00dB] Capture [off] Front Right: Playback 63 [100%] [60.00dB] Capture [off] Simple mixer control 'Phone',0 Capabilities: pvolume pvolume-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Mono Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Playback 31 [100%] [12.00dB] Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'PC Speaker',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 15 Mono: Playback 15 [100%] [0.00dB] [on] Simple mixer control 'Aux',0 Capabilities: pvolume cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 63 Front Left: Playback 63 [100%] [60.00dB] Capture [off] Front Right: Playback 63 [100%] [60.00dB] Capture [off] Simple mixer control 'Capture',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 15 Front Left: Capture 0 [0%] [0.00dB] [on] Front Right: Capture 0 [0%] [0.00dB] [on] Simple mixer control 'Mix',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Mix Mono',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] ------------------------------------------------------------------------------ Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. 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