Comment 3 for bug 1346754

Hello, please note the following entries in your logs:

[ 9891.235481] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 9891.235490] ata1.00: irq_stat 0x40000008
[ 9891.235495] ata1.00: failed command: READ FPDMA QUEUED
[ 9891.235504] ata1.00: cmd 60/08:00:88:ea:01/00:00:16:00:00/40 tag 0 ncq 4096 in
[ 9891.235504] res 41/40:00:88:ea:01/00:00:16:00:00/40 Emask 0x409 (media error) <F>
[ 9891.235508] ata1.00: status: { DRDY ERR }
[ 9891.235511] ata1.00: error: { UNC }
[ 9891.247864] ata1.00: configured for UDMA/133
[ 9891.247896] sd 0:0:0:0: [sda] Unhandled sense code
[ 9891.247898] sd 0:0:0:0: [sda]
[ 9891.247899] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 9891.247900] sd 0:0:0:0: [sda]
[ 9891.247901] Sense Key : Medium Error [current] [descriptor]
[ 9891.247903] Descriptor sense data with sense descriptors (in hex):
[ 9891.247904] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 9891.247910] 16 01 ea 88
[ 9891.247912] sd 0:0:0:0: [sda]
[ 9891.247914] Add. Sense: Unrecovered read error - auto reallocate failed
[ 9891.247916] sd 0:0:0:0: [sda] CDB:
[ 9891.247917] Read(10): 28 00 16 01 ea 88 00 00 08 00
[ 9891.247922] end_request: I/O error, dev sda, sector 369224328
[ 9891.247935] ata1: EH complete
[ 9950.926187] ata1.00: exception Emask 0x0 SAct 0xf SErr 0x0 action 0x6 frozen
[ 9950.926197] ata1.00: failed command: READ FPDMA QUEUED
[ 9950.926206] ata1.00: cmd 60/08:00:88:ea:01/00:00:16:00:00/40 tag 0 ncq 4096 in
[ 9950.926206] res 40/00:00:88:ea:01/00:00:16:00:00/40 Emask 0x4 (timeout)