I'm having the same problem: some device names are not recognized any more, in my case "bcm5974". As you can see below, "xinput list" shows this device, and I can manipulate it using the id (12) but not the name ("bcm5974"). I could use the name with karmic, but not since I upgraded to lucid.
$ xinput list ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ "Logitech USB-PS/2 Optical Mouse" id=10 [slave pointer (2)] ⎜ ↳ "Macintosh mouse button emulation" id=14 [slave pointer (2)] ⎜ ↳ "bcm5974" id=12 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ "Power Button" id=6 [slave keyboard (3)] ↳ "Video Bus" id=7 [slave keyboard (3)] ↳ "Power Button" id=8 [slave keyboard (3)] ↳ "Sleep Button" id=9 [slave keyboard (3)] ↳ "Apple, Inc. Apple Internal Keyboard / Trackpad" id=11 [slave keyboard (3)] ↳ "Built-in iSight" id=13 [slave keyboard (3)] $ xinput set-int-prop "bcm5974" "Device Enabled" 8 0 unable to find device bcm5974 $ xinput set-int-prop 12 "Device Enabled" 8 0 ** Attachment added: "Result of lspci -vvnn" http://launchpadlibrarian.net/38339340/lspci -- xinput no longer works to set-ptr-feedback after the latest Xserver upgrade in Lucid https://bugs.launchpad.net/bugs/496817 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xinput in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp