[  645.549618] ata1.00: failed command: READ DMA
[  645.549629] ata1.00: cmd c8/00:08:80:62:a5/00:00:00:00:00/e0 tag 3 dma 4096 in
         res 51/44:08:81:62:a5/00:00:00:00:00/e0 Emask 0x9 (media error)
[  645.549635] ata1.00: status: { DRDY ERR }
[  645.549639] ata1.00: error: { UNC ABRT }
[  645.551532] ata1.00: configured for UDMA/133
[  645.551556] sd 0:0:0:0: [sda] Unhandled sense code
[  645.551561] sd 0:0:0:0: [sda]  
[  645.551565] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[  645.551569] sd 0:0:0:0: [sda]  
[  645.551572] Sense Key : Medium Error [current] [descriptor]
[  645.551579] Descriptor sense data with sense descriptors (in hex):
[  645.551582]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[  645.551599]         00 a5 62 81 
[  645.551607] sd 0:0:0:0: [sda]  
[  645.551612] Add. Sense: Unrecovered read error - auto reallocate failed
[  645.551617] sd 0:0:0:0: [sda] CDB: 
[  645.551621] Read(10): 28 00 00 a5 62 80 00 00 08 00
[  645.551644] end_request: I/O error, dev sda, sector 10838657
[  645.551674] ata1: EH complete