jack and sound restarting

[Gustin Johnson]

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john wrote:
<snip>
> 
> I can verify alsa is not the problem because I then started qjackctl
> with alsa, with another sounddevice and it worked. So somehow I need to
> close hw:0,0 completely and restart it before I can use it after
> crashing.. Any ideas on how to do this?
> 
Try to find out what is locking the device.  Something like this perhaps:
sudo lsof |grep -i snd

kill the processes that are locking the device.

Failing that try removing the module and then loading it again:
sudo rmmod snd_hdsp && sudo modprobe snd_hdsp
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