On 5/26/2014 9:38 PM, John R Pierce wrote: > block I/O error in device 'drive-ide0-0-0': Invalid argument (22) the backing store is a Crucial M550 SSD, formatted XFS. does that have somethign to do with this? and... ok, found something suggesting cache=writeback, but it didn't quite explain, https://bugzilla.redhat.com/show_bug.cgi?id=997839 after thinking about it, looking at the options, I added that to the --disk option of virt-install, and now installing packages, -- john r pierce 37N 122W somewhere on the middle of the left coast