my freezing problem

gistfile1

[76022.953882] ata4.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x6 frozen
[76022.953898] ata4.00: failed command: READ FPDMA QUEUED
[76022.953915] ata4.00: cmd 60/08:00:e0:b2:cb/00:00:02:00:00/40 tag 0 ncq 4096 in
[76022.953918]          res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.953925] ata4.00: status: { DRDY }
[76022.953931] ata4.00: failed command: READ FPDMA QUEUED
[76022.953944] ata4.00: cmd 60/08:08:00:b3:cb/00:00:02:00:00/40 tag 1 ncq 4096 in
[76022.953947]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.953953] ata4.00: status: { DRDY }
[76022.953959] ata4.00: failed command: READ FPDMA QUEUED
[76022.953971] ata4.00: cmd 60/08:10:08:b3:cb/00:00:02:00:00/40 tag 2 ncq 4096 in
[76022.953974]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.953980] ata4.00: status: { DRDY }
[76022.953985] ata4.00: failed command: READ FPDMA QUEUED
[76022.953997] ata4.00: cmd 60/08:18:10:b3:cb/00:00:02:00:00/40 tag 3 ncq 4096 in
[76022.954000]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954006] ata4.00: status: { DRDY }
[76022.954011] ata4.00: failed command: READ FPDMA QUEUED
[76022.954023] ata4.00: cmd 60/08:20:20:b3:cb/00:00:02:00:00/40 tag 4 ncq 4096 in
[76022.954026]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954032] ata4.00: status: { DRDY }
[76022.954037] ata4.00: failed command: READ FPDMA QUEUED
[76022.954049] ata4.00: cmd 60/08:28:28:b3:cb/00:00:02:00:00/40 tag 5 ncq 4096 in
[76022.954052]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954058] ata4.00: status: { DRDY }
[76022.954063] ata4.00: failed command: READ FPDMA QUEUED
[76022.954075] ata4.00: cmd 60/08:30:30:b3:cb/00:00:02:00:00/40 tag 6 ncq 4096 in
[76022.954078]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954084] ata4.00: status: { DRDY }
[76022.954089] ata4.00: failed command: READ FPDMA QUEUED
[76022.954101] ata4.00: cmd 60/08:38:38:b3:cb/00:00:02:00:00/40 tag 7 ncq 4096 in
[76022.954104]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954110] ata4.00: status: { DRDY }
[76022.954115] ata4.00: failed command: READ FPDMA QUEUED
[76022.954127] ata4.00: cmd 60/08:40:30:b2:cb/00:00:02:00:00/40 tag 8 ncq 4096 in
[76022.954130]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954136] ata4.00: status: { DRDY }
[76022.954141] ata4.00: failed command: READ FPDMA QUEUED
[76022.954153] ata4.00: cmd 60/08:48:38:b2:cb/00:00:02:00:00/40 tag 9 ncq 4096 in
[76022.954156]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954162] ata4.00: status: { DRDY }
[76022.954167] ata4.00: failed command: READ FPDMA QUEUED
[76022.954179] ata4.00: cmd 60/08:50:40:b3:cb/00:00:02:00:00/40 tag 10 ncq 4096 in
[76022.954182]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954188] ata4.00: status: { DRDY }
[76022.954194] ata4.00: failed command: READ FPDMA QUEUED
[76022.954205] ata4.00: cmd 60/08:58:48:b3:cb/00:00:02:00:00/40 tag 11 ncq 4096 in
[76022.954208]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954214] ata4.00: status: { DRDY }
[76022.954220] ata4.00: failed command: READ FPDMA QUEUED
[76022.954231] ata4.00: cmd 60/08:60:50:b3:cb/00:00:02:00:00/40 tag 12 ncq 4096 in
[76022.954234]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954241] ata4.00: status: { DRDY }
[76022.954246] ata4.00: failed command: READ FPDMA QUEUED
[76022.954258] ata4.00: cmd 60/08:68:58:b3:cb/00:00:02:00:00/40 tag 13 ncq 4096 in
[76022.954261]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954267] ata4.00: status: { DRDY }
[76022.954272] ata4.00: failed command: READ FPDMA QUEUED
[76022.954284] ata4.00: cmd 60/08:70:60:b3:cb/00:00:02:00:00/40 tag 14 ncq 4096 in
[76022.954286]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954293] ata4.00: status: { DRDY }
[76022.954298] ata4.00: failed command: READ FPDMA QUEUED
[76022.954310] ata4.00: cmd 60/08:78:78:b3:cb/00:00:02:00:00/40 tag 15 ncq 4096 in
[76022.954313]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954319] ata4.00: status: { DRDY }
[76022.954324] ata4.00: failed command: READ FPDMA QUEUED
[76022.954336] ata4.00: cmd 60/08:80:80:b3:cb/00:00:02:00:00/40 tag 16 ncq 4096 in
[76022.954339]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954345] ata4.00: status: { DRDY }
[76022.954350] ata4.00: failed command: READ FPDMA QUEUED
[76022.954362] ata4.00: cmd 60/08:88:88:b3:cb/00:00:02:00:00/40 tag 17 ncq 4096 in
[76022.954365]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954371] ata4.00: status: { DRDY }
[76022.954376] ata4.00: failed command: READ FPDMA QUEUED
[76022.954388] ata4.00: cmd 60/08:90:90:b3:cb/00:00:02:00:00/40 tag 18 ncq 4096 in
[76022.954391]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954397] ata4.00: status: { DRDY }
[76022.954402] ata4.00: failed command: READ FPDMA QUEUED
[76022.954414] ata4.00: cmd 60/08:98:98:b3:cb/00:00:02:00:00/40 tag 19 ncq 4096 in
[76022.954417]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954423] ata4.00: status: { DRDY }
[76022.954429] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954440] ata4.00: cmd 61/08:a0:c0:b2:8d/00:00:05:00:00/40 tag 20 ncq 4096 out
[76022.954443]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954449] ata4.00: status: { DRDY }
[76022.954455] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954467] ata4.00: cmd 61/08:a8:c8:b2:8d/00:00:05:00:00/40 tag 21 ncq 4096 out
[76022.954470]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954476] ata4.00: status: { DRDY }
[76022.954481] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954493] ata4.00: cmd 61/08:b0:d0:b2:8d/00:00:05:00:00/40 tag 22 ncq 4096 out
[76022.954496]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954502] ata4.00: status: { DRDY }
[76022.954507] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954519] ata4.00: cmd 61/08:b8:d8:b2:8d/00:00:05:00:00/40 tag 23 ncq 4096 out
[76022.954522]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954528] ata4.00: status: { DRDY }
[76022.954534] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954545] ata4.00: cmd 61/08:c0:e0:b2:8d/00:00:05:00:00/40 tag 24 ncq 4096 out
[76022.954548]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954554] ata4.00: status: { DRDY }
[76022.954560] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954571] ata4.00: cmd 61/08:c8:e8:b2:8d/00:00:05:00:00/40 tag 25 ncq 4096 out
[76022.954574]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954581] ata4.00: status: { DRDY }
[76022.954586] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954598] ata4.00: cmd 61/08:d0:f0:b2:8d/00:00:05:00:00/40 tag 26 ncq 4096 out
[76022.954601]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954607] ata4.00: status: { DRDY }
[76022.954612] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954624] ata4.00: cmd 61/08:d8:f8:b2:8d/00:00:05:00:00/40 tag 27 ncq 4096 out
[76022.954627]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954633] ata4.00: status: { DRDY }
[76022.954638] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954650] ata4.00: cmd 61/08:e0:00:b3:8d/00:00:05:00:00/40 tag 28 ncq 4096 out
[76022.954653]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954659] ata4.00: status: { DRDY }
[76022.954664] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954676] ata4.00: cmd 61/08:e8:08:b3:8d/00:00:05:00:00/40 tag 29 ncq 4096 out
[76022.954679]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954685] ata4.00: status: { DRDY }
[76022.954690] ata4.00: failed command: WRITE FPDMA QUEUED
[76022.954702] ata4.00: cmd 61/08:f0:10:b3:8d/00:00:05:00:00/40 tag 30 ncq 4096 out
[76022.954705]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[76022.954711] ata4.00: status: { DRDY }
[76022.954721] ata4: hard resetting link
[76023.490193] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[76023.490965] ata4.00: configured for UDMA/133
[76023.490980] ata4.00: device reported invalid CHS sector 0
[76023.490987] ata4.00: device reported invalid CHS sector 0
[76023.490993] ata4.00: device reported invalid CHS sector 0
[76023.490999] ata4.00: device reported invalid CHS sector 0
[76023.491005] ata4.00: device reported invalid CHS sector 0
[76023.491011] ata4.00: device reported invalid CHS sector 0
[76023.491016] ata4.00: device reported invalid CHS sector 0
[76023.491022] ata4.00: device reported invalid CHS sector 0
[76023.491028] ata4.00: device reported invalid CHS sector 0
[76023.491033] ata4.00: device reported invalid CHS sector 0
[76023.491038] ata4.00: device reported invalid CHS sector 0
[76023.491044] ata4.00: device reported invalid CHS sector 0
[76023.491050] ata4.00: device reported invalid CHS sector 0
[76023.491056] ata4.00: device reported invalid CHS sector 0
[76023.491061] ata4.00: device reported invalid CHS sector 0
[76023.491067] ata4.00: device reported invalid CHS sector 0
[76023.491072] ata4.00: device reported invalid CHS sector 0
[76023.491077] ata4.00: device reported invalid CHS sector 0
[76023.491083] ata4.00: device reported invalid CHS sector 0
[76023.491090] ata4.00: device reported invalid CHS sector 0
[76023.491096] ata4.00: device reported invalid CHS sector 0
[76023.491102] ata4.00: device reported invalid CHS sector 0
[76023.491107] ata4.00: device reported invalid CHS sector 0
[76023.491114] ata4.00: device reported invalid CHS sector 0
[76023.491119] ata4.00: device reported invalid CHS sector 0
[76023.491125] ata4.00: device reported invalid CHS sector 0
[76023.491130] ata4.00: device reported invalid CHS sector 0
[76023.491135] ata4.00: device reported invalid CHS sector 0
[76023.491141] ata4.00: device reported invalid CHS sector 0
[76023.491146] ata4.00: device reported invalid CHS sector 0
[76023.491152] ata4.00: device reported invalid CHS sector 0
[76023.491220] ata4: EH complete