After many months, I had the opportunity to put my hands on the computer that had these audio problems: (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1864871/comments/31)
...and now the audio works without any workaround. Current Ubuntu version: 20.04.2 Kernel: 5.8.0-41 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1864871 Title: Failed to init Intel sound card in 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1864871/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs