I can confirm the package in jammy-proposed has fixed the bug for me.
$ uname -r 6.5.0-21-generic $ sudo modprobe ddcci $ lsmod | grep ddcci ddcci 45056 0 $ apt-cache policy ddcci-dkms ddcci-dkms: Installed: 0.4.1-3ubuntu3 Candidate: 0.4.1-3ubuntu3 Version table: *** 0.4.1-3ubuntu3 500 500 http://gb.archive.ubuntu.com/ubuntu jammy-proposed/universe amd64 Packages 500 http://gb.archive.ubuntu.com/ubuntu jammy-proposed/universe i386 Packages 100 /var/lib/dpkg/status 0.4.1-3ubuntu2 500 500 http://gb.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages 500 http://gb.archive.ubuntu.com/ubuntu jammy-updates/universe i386 Packages 0.4.1-3ubuntu1 500 500 http://gb.archive.ubuntu.com/ubuntu jammy/universe amd64 Packages 500 http://gb.archive.ubuntu.com/ubuntu jammy/universe i386 Packages ** Tags added: verification-done verification-done-jammy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2041655 Title: ddcci-dkms FTBS with kernel 6.5 in jammy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ddcci-driver-linux/+bug/2041655/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs