[LAU] Odd volume issue with jackd

Mark Raynsford list+org.linuxaudio.linux-audio-user at io7m.com
Mon Apr 23 22:19:39 CEST 2018

On 2018-04-23T11:31:07 -0700
Len Ovens <len at ovenwerks.net> wrote:
> On Mon, 23 Apr 2018, Mark Raynsford wrote:
> > Is there some sort of master volume level per-machine that I can look
> > at? Any ideas what might be causing this?  
> While you are using jackd as you sound server, you do have PulseAudio 
> bridged. If the Pulse ALSA module for that audio card is still active, 
> pulse may not be able to connect and send audio to that card but it can 
> still control levels on that card.

Thanks! This was the problem. I stopped jackd, opened pavucontrol and
discovered that the device was set to 50%. With jackd running, that
device didn't even show up in pavucontrol. Stopping jackd, setting the
device to 100% in pavucontrol, and then restarting jackd appears to
have "fixed" it.

I've also disabled the card in the configuration section as you

> pactl unload-module module-udev-detect
> pactl unload-module module-alsa-card

... and I'll be executing these too!

Mark Raynsford | http://www.io7m.com

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