Ok, I've had one person testing this report the following: [ 1896.902726] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x40000 action 0x0 [ 1896.902735] ata1.00: irq_stat 0x40000008 [ 1896.902741] ata1: SError: { CommWake } [ 1896.902748] ata1.00: failed command: WRITE FPDMA QUEUED [ 1896.902758] ata1.00: cmd 61/18:58:88:d5:5d/00:00:0d:00:00/40 tag 11 ncq 12288 out res 41/04:00:9f:d5:5d/00:00:0d:00:00/40 Emask 0x401 (device error) <F> [ 1896.902764] ata1.00: status: { DRDY ERR } [ 1896.902768] ata1.00: error: { ABRT } [ 1896.912725] ata1.00: supports DRM functions and may not be fully accessible [ 1896.932716] ata1.00: supports DRM functions and may not be fully accessible [ 1896.942783] ata1.00: configured for UDMA/133 [ 1896.942815] ata1: EH complete which seems to occur in batches. I'm a little confused - isn't it legitimate for the phy to report comwake here? -- Matthew Garrett | matthew.garrett@xxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html