I tried all three kernels on a Dell R320 with no kernel command line options and they all resolve the issue.
** Tags removed: verification-needed-trusty verification-needed-utopic verification-needed-vivid ** Tags added: verification-done-trusty verification-done-utopic verification-done-vivid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1434581 Title: Console extremely slow with 3.13 and newer kernels for certified servers with Matrox G200er2 or similar To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1434581/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs