It's a new package in Impish and going forward, it doesn't exist in older series. The reason being that we enabled a whole bunch of new drivers in Impish and don't want to blow up the size of linux-modules. As a result, some other non-essential drivers moved to the new package.
** Changed in: linux-raspi (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1947723 Title: /dev/ttyUSB? port lost on upgrading to 21.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1947723/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs