ata7: SATA link down (SStatus 0 SControl 300)
ata7: EH complete
ata7: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xa frozen
ata7: irq_stat 0x00000040, connection status changed
ata7: SError: { DevExch }
ata7: hard resetting link
ata7: SATA link down (SStatus 0 SControl 300)
ata7: EH complete
ata7: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action 0xa frozen
ata7: irq_stat 0x00000040, connection status changed
ata7: SError: { DevExch }
ata7: hard resetting link