so, I was fix this problem: in the terminal: sudo hal-disable-polling --device /dev/sr0
sudo service udev restart as a result the udevd stop a processor load... -- CD-ROM polling on some Optiarc drives causes high CPU usage https://bugs.launchpad.net/bugs/379780 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs