This is a bug in the 14.04.2 LTS hardware support stack, tracked in bug #1424466 and bug fix should actually already be published to all users but it seems the SRU team has not yet done so.
This is a bug in the 14.04.2 LTS hardware support stack, tracked in bug #1424466 and bug fix should actually already be published to all users but it seems the SRU team has not yet done so.