I've been having the same problem (Lucid 10.4, Acer Revo 3610) and Markhor's blacklist fix did the job, but bootup still takes a little while. It pauses at the black screen, just as it used to before it said the 'acer-wmi' error message, except now it just stays blank.
-- "acer-wmi: Unable to detect available WMID devices" on boot https://bugs.launchpad.net/bugs/560464 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