May 9 14:51:35 mgerhard kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x1800000 action 0x2 frozen
May 9 14:51:35 mgerhard kernel: ata1.00: cmd 35/00:00:80:6d:c8/00:04:09:00:00/e0 tag 0 cdb 0x0 data 524288 out
May 9 14:51:35 mgerhard kernel: res 40/00:c8:68:65:c8/84:00:09:00:00/e0 Emask 0x4 (timeout)
May 9 14:51:42 mgerhard kernel: ata1: port is slow to respond, please be patient (Status 0xd0)
Anything I can do to figgure out what's causing this?