[ubuntu-studio-users] Sound broke in upgrade to 19.10

sciguy at vex.net sciguy at vex.net
Sun Nov 24 12:02:37 UTC 2019



I have upgraded to Ubuntu Studio 19.10, and now there is no sound. I am using the Whisker menu, since that is the only menu bar I could find that even had a volume control on it. If I click on the speaker icon there, and then “Sound Settings …”, nothing happens.


In fact, something does happen. According to /var/log/syslog, indicator-sound-service appears to crash. Here are the relevant lines from syslog:

Nov 24 06:45:08 rivendell indicator-sound-service[2616]: **

Nov 24 06:45:08 rivendell indicator-sound-service[2616]: ERROR:../shell/cc-shell-model.c:458:cc_shell_model_set_panel_visibility: assertion failed: (valid)

Nov 24 06:45:08 rivendell indicator-sound-service[2616]: Bail out! ERROR:../shell/cc-shell-model.c:458:cc_shell_model_set_panel_visibility: assertion failed: (valid)


I am looking for suggestions on how to fix this. If anyone has further questions, I will try to answer, but I am not sure what is going on. Unlike what I read from Mac below, UBS has always worked for me out of the box, without needing to touch Ubuntu Studio Controls. Looking at it, I notice things like “Jack Master Device (no USB)” set to “Default”. I would like to know what it thinks the default is, but that is all it says. 


Paul King


From: ubuntu-studio-users <ubuntu-studio-users-bounces at lists.ubuntu.com> On Behalf Of Mac
Sent: Thursday, October 31, 2019 6:06 AM
To: Ubuntu Studio Users <ubuntu-studio-users at lists.ubuntu.com>
Subject: Re: [ubuntu-studio-users] Upgrade to 19.10


hmm...just another data point, I have been running 19.10 on two PCs for several weeks.


I have had no crashing issues. And, I routinely stream from Youtube at the same time as playing local audio.


The UB Studio controls let me set up jack to run all the time with a pulse audio source/sink that get all the system audio. UBS Controlss just sets it up and it it's there evey time I boot.


I like Carla and have not even looked at QJackctl for months.


I had some trouble with firewire. I have not had more time to fiddle with that.





On Wed, Oct 30, 2019 at 9:07 PM Neil McBennett <neil at mcbennett.net <mailto:neil at mcbennett.net> > wrote:

Hello All,

I upgraded to 19.10 as I wanted to find a distribution that would finally allow me to play audio regardless of whether it was streaming via Youtube or Spotify or from my DAW or any place I care to run it. So I upgraded as I was sick of the Pulseaudio vs Jackd battle. Still I seem to have the choice of one or the other (but not both) and then I have to stop or start jack and all the pain that this brings. 


On top of this the menu system randomly removes whole categories without any user intervention. Then there are the constant crashes where bizarrely the audio carries on playing after the rest of the system is dead.


I tried the Gnome desktop thing with Wayland but there the screensaver doesn't work and there are no menus meaning you have to memorize the names of any programs you may want to run and search for them.


I do appreciate that this is open source and I know people put in huge amounts of time. But with each release I guess I kind of hope this finally will be where Linux really gets to show how good it is. 


I am now looking at doing a complete fresh install of an OS but not yet decided on which flavor or even if it should be Linux. The jack vs Pulseaudio in my opinion is a massive design flaw and as long as that remains this will never be accepted as a serious music platform which is a shame.

Sorry for the rant - I really wanted to be able to use this but I guess it's not ready yet.



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