soundcheck wrote: 
> Hi folks.
> 
> Gotta a weired problem:
> 
> When rebooting my RPi, my USB DAC won't seem to be initialized properly.
> 
> 
> > 
Code:
--------------------
  >   > 
  > [09:15:15.516988] ALSA _snd_pcm_hw_open:1667 Invalid value for card
  > [09:15:15.517155] test_open:124 playback open error: No such device
  > [09:15:15.517272] output_init_common:373 unable to open output device
  > 
--------------------
> >  
> 
> That causes squeezelite (1.6.5) to fail. (It does it with/without
> alsa-utils installed ;) )
> 
> 
> When doing a coldstart after shutdown everything works fine.
> 
> Any ideas ?
> 
> THX

Are the devices getting renumbered by alsa?  I always prefer to use -o
hw:CARD=<string> for this reason as the fixing of device numbers has
been buggy for me in the past.

All it is doing at this point is:
        if ((err = snd_pcm_open(&pcm, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0)
{
                LOG_ERROR("playback open error: %s", snd_strerror(err));
                return false;
        }

So it means the device string is not recognized by alsa at this point?


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