The failure is due to gcc 9 in eoan enabling -fcf-protection by default, which is incompatible with the -mindirect-branch used for retpoline. This will be fixed with the 5.2 kernel where we've added -no-fcf- protection to the retpoline flags.
** Changed in: v4l2loopback (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/1835861 Title: v4l2loopback 0.12.1-1ubuntu1 ADT test failure with linux 5.2.0-8.9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/v4l2loopback/+bug/1835861/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs