This doesn't happen only on encrypted DVD. It happens and in self-burned media. I haven't tried installing libdvdcss3 but not having a DVD inside the drive, seems not to cause a system freeze.
-- Feisty freeze, kernel (?) tries to access DVD drive https://bugs.launchpad.net/bugs/75295 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