Re: Call to mmap in ALSA lib 1.0.13 fails in src/pcm/pcm_mmap.c line 367

[David Cullen <david.cullen@teligy.com>]

Takashi Iwai wrote:
> At Thu, 21 Dec 2006 12:50:51 -0500,
> David Cullen wrote:
>> 
>> Takashi Iwai wrote:
>> > At Thu, 21 Dec 2006 12:01:01 -0500,
>> > David Cullen wrote:
>> >> 
>> >> Dear Mr. Iwai,
>> >> 
>> >> Takashi Iwai wrote:
>> >> > As mentioned in the previous mail, it should be like
>> >> > 
>> >> > pcm.!default {
>> >> > 	type plug
>> >> > 	slave.pcm {
>> >> > 		type hw
>> >> > 		card 0
>> >> > 	}
>> >> > }
>> >> 
>> >> I put only those lines in my asound.conf file and I still got this
>> >> output:
>> >> 
>> >> /etc # speaker-test
>> >> 
>> >> speaker-test 1.0.13
>> >> 
>> >> Playback device is default
>> >> Stream parameters are 48000Hz, S16_BE, 1 channels
>> >> Using 16 octaves of pink noise
>> >> ALSA lib pcm_plug.c:773:(snd_pcm_plug_hw_refine_schange) Unable to
>> >> find an usable access for 'default'
>> >> Sample format not available for playback: Invalid argument
>> >> Setting of hwparams failed: Invalid argument
>> > 
>> > Does aplay work?
>> > 
>> > Takashi
>> 
>> This is what happens when I try aplay:
>> 
>> /usr/share/sounds/alsa # aplay Noise.wav
>> Playing WAVE 'Noise.wav' : Signed 16 bit Little Endian, Rate 48000
>> Hz, Mono
>> ALSA lib pcm_plug.c:773:(snd_pcm_plug_hw_refine_schange) Unable to
>> find an usable access for 'default'
>> aplay: set_params:929: Channels count non available
> 
> Hm, this looks like you don't use plug layer?
> Make sure that you have no ~/.asoundrc file.  Then try
> 
> 	% aplay -Dplughw foo.wav
> 
> "plughw" is a standard PCM name defined in /usr/share/cards/alsa.conf,
> so it should work even without /etc/asound.conf.
> 
> 
> Takashi
> 

I verified that there are no .asoundrc files in the filesystem.
However, this is the result of the aplay test:

/usr/share/sounds/alsa # aplay -Dplughw Noise.wav
ALSA lib pcm_hw.c:1358:(_snd_pcm_hw_open) Invalid value for card
aplay: main:556: audio open error: No such device

-- 
Thank you,
David Cullen
Teligy

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