On Wed, Jul 20, 2011 at 06:23:46PM +0200, Markus Armbruster wrote: > Must set the ATAPI device signature, see ACS-2 7.36.6 Outputs for > PACKET feature set devices.
Odd but true, even if it's 7.38.2 in my local copy of the ACS spec. It defintively should be documented in a comment next to the code, given how odd the behaviour is.