Can you please attach the kernel logs from the beginning of boot? For example the output of
$ sudo journalctl -k -b 0 ** Changed in: linux-firmware (Ubuntu) Status: New => Incomplete ** Changed in: linux-firmware (Ubuntu) Status: Incomplete => New ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete ** Changed in: linux-firmware (Ubuntu) Status: New => Incomplete ** Changed in: linux-hwe-6.11 (Ubuntu) Status: New => Incomplete ** Changed in: linux-hwe-6.8 (Ubuntu) Status: New => Incomplete ** Changed in: pipewire (Ubuntu) Status: New => Incomplete ** Changed in: linux-hwe-6.8 (Ubuntu) Status: Incomplete => New ** Changed in: linux-hwe-6.8 (Ubuntu) Status: New => Incomplete ** No longer affects: alsa-driver (Ubuntu) ** No longer affects: pipewire (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2097233 Title: USB sound: Sink listed but not working + Source missing despite listed Sink of same Port To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2097233/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs