Just to confirm removing /etc/udev/rules.d/65-dmsetup.rules also solves this problem on my system. No visible side effects yet.
-- mounting Luks encrypted USB-HDD does not work reliably https://bugs.launchpad.net/bugs/148003 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs