Two days back I upgraded ubuntu 19.04 into 20.04 lts. However, I noticed that the update got stuck at a particular stage saying 'Removing gnome-logs snap'. This window stays forever
Screenshot of the error while updating:
And the screen recording application Kazam is not recording audio. I tried with different screen recorders but of no use. No application detects the microphone. I looked for any changes in settings but everything was fine. I could see microphone detecting the sound from the dynamic bars. While trying to open it in terminal it shows this error
$ kazam WARNING Kazam - Failed to correctly detect operating system
It was showing kazam failed to detect audio recording device few hours back. I uninstalled and reinstalled the application but nothing worked. I even installed PulseAudio volume controller but it neither detects any application that uses audio recording option.
Screenshot of PulseAudio volume controller detecting no recording device:
However, the Telegram desktop client is perfectly recording audio. I don't know what exactly happened with these applications.
This is the screenshot of Kazam not detecting the recording device:
I want to make a lecture video for my students but I'm stuck with these issues for hours. I would have changed the OS altogether. But since I don't have a USB I can't try that option. Somebody please answer.
Best Answer
The issue is due the use of a deprecated python feature. This PR fixes it, so this should be OK if Kazam ever gets updated again.
Anyways, to fix your problem, as I commented here using that PR, you can run
And replace its content with this content.