I don't know if it fix the problem or just hide it out, but I manage to stop the plymouth messages in boot by editing /etc/default/grub and setting the GRUB_CMDLINE_LINUX_DEFAULT="noplymounth". (and updating grub after that)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1309617 Title: plymouth-upstart-bridge main process (189) terminated with status 1 at boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1309617/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs