[   57.789344] ata1.00: failed command: READ FPDMA QUEUED
[   57.789349] ata1.00: cmd 60/20:00:00:ee:56/00:00:23:00:00/40 tag 0 ncq 16384 in
[   57.789349]          res 40/00:00:00:00:00/00:00:00:00:00/40 Emask 0x4 (timeout)
[   57.789352] ata1.00: status: { DRDY }
[   57.789354] ata1.00: failed command: READ FPDMA QUEUED
[   57.789359] ata1.00: cmd 60/08:08:d0:0b:00/00:00:00:00:00/40 tag 1 ncq 4096 in
[   57.789359]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789361] ata1.00: status: { DRDY }
[   57.789363] ata1.00: failed command: READ FPDMA QUEUED
[   57.789367] ata1.00: cmd 60/00:10:b0:1f:7e/01:00:25:00:00/40 tag 2 ncq 131072 in
[   57.789367]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789370] ata1.00: status: { DRDY }
[   57.789371] ata1.00: failed command: READ FPDMA QUEUED
[   57.789376] ata1.00: cmd 60/20:18:00:96:68/00:00:23:00:00/40 tag 3 ncq 16384 in
[   57.789376]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789378] ata1.00: status: { DRDY }
[   57.789380] ata1.00: failed command: READ FPDMA QUEUED
[   57.789384] ata1.00: cmd 60/20:20:10:3e:4a/00:00:25:00:00/40 tag 4 ncq 16384 in
[   57.789384]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789386] ata1.00: status: { DRDY }
[   57.789388] ata1.00: failed command: READ FPDMA QUEUED
[   57.789392] ata1.00: cmd 60/08:28:c8:d0:52/00:00:24:00:00/40 tag 5 ncq 4096 in
[   57.789392]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789394] ata1.00: status: { DRDY }
[   57.789396] ata1.00: failed command: READ FPDMA QUEUED
[   57.789400] ata1.00: cmd 60/88:30:a0:52:cc/00:00:24:00:00/40 tag 6 ncq 69632 in
[   57.789400]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789402] ata1.00: status: { DRDY }
[   57.789404] ata1.00: failed command: READ FPDMA QUEUED
[   57.789408] ata1.00: cmd 60/08:38:48:c8:51/00:00:24:00:00/40 tag 7 ncq 4096 in
[   57.789408]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789410] ata1.00: status: { DRDY }
[   57.789412] ata1.00: failed command: READ FPDMA QUEUED
[   57.789416] ata1.00: cmd 60/88:40:38:a4:e7/00:00:23:00:00/40 tag 8 ncq 69632 in
[   57.789416]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789418] ata1.00: status: { DRDY }
[   57.789420] ata1.00: failed command: READ FPDMA QUEUED
[   57.789424] ata1.00: cmd 60/20:48:00:3c:8a/00:00:23:00:00/40 tag 9 ncq 16384 in
[   57.789424]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789426] ata1.00: status: { DRDY }
[   57.789428] ata1.00: failed command: READ FPDMA QUEUED
[   57.789432] ata1.00: cmd 60/20:50:00:74:58/00:00:23:00:00/40 tag 10 ncq 16384 in
[   57.789432]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789434] ata1.00: status: { DRDY }
[   57.789436] ata1.00: failed command: WRITE FPDMA QUEUED
[   57.789440] ata1.00: cmd 61/08:58:00:d8:7e/00:00:3e:00:00/40 tag 11 ncq 4096 out
[   57.789440]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   57.789442] ata1.00: status: { DRDY }
[   57.789446] ata1: hard resetting link
[   58.109136] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[   58.122068] ata1.00: configured for UDMA/133
[   58.122076] ata1.00: device reported invalid CHS sector 0
[   58.122079] ata1.00: device reported invalid CHS sector 0
[   58.122081] ata1.00: device reported invalid CHS sector 0
[   58.122084] ata1.00: device reported invalid CHS sector 0
[   58.122086] ata1.00: device reported invalid CHS sector 0
[   58.122088] ata1.00: device reported invalid CHS sector 0
[   58.122090] ata1.00: device reported invalid CHS sector 0
[   58.122092] ata1.00: device reported invalid CHS sector 0
[   58.122094] ata1.00: device reported invalid CHS sector 0
[   58.122096] ata1.00: device reported invalid CHS sector 0
[   58.122098] ata1.00: device reported invalid CHS sector 0
[   58.122100] ata1.00: device reported invalid CHS sector 0
[   58.122112] ata1: EH complete
[   58.214925] bbswitch: version 0.7
[   58.214931] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[   58.214937] bbswitch: Found discrete VGA device 0000:04:00.0: \_SB_.PCI0.RP05.PEGP
[   58.214945] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[   58.215028] bbswitch: detected an Optimus _DSM function
[   58.215037] bbswitch: Succesfully loaded. Discrete card 0000:04:00.0 is on
[   60.221589] ata1.00: exception Emask 0x0 SAct 0x681 SErr 0x0 action 0x0
[   60.221594] ata1.00: irq_stat 0x40000008
[   60.221598] ata1.00: failed command: READ FPDMA QUEUED
[   60.221604] ata1.00: cmd 60/20:38:10:3e:4a/00:00:25:00:00/40 tag 7 ncq 16384 in
[   60.221604]          res 41/40:00:10:3e:4a/00:00:25:00:00/40 Emask 0x409 (media error) <F>
[   60.221606] ata1.00: status: { DRDY ERR }
[   60.221608] ata1.00: error: { UNC }
[   60.234296] ata1.00: configured for UDMA/133
[   60.234319] sd 0:0:0:0: [sda] Unhandled sense code
[   60.234322] sd 0:0:0:0: [sda]  
[   60.234324] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[   60.234325] sd 0:0:0:0: [sda]  
[   60.234327] Sense Key : Medium Error [current] [descriptor]
[   60.234331] Descriptor sense data with sense descriptors (in hex):
[   60.234333]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[   60.234343]         25 4a 3e 10 
[   60.234347] sd 0:0:0:0: [sda]  
[   60.234349] Add. Sense: Unrecovered read error - auto reallocate failed
[   60.234351] sd 0:0:0:0: [sda] CDB: 
[   60.234353] Read(10): 28 00 25 4a 3e 10 00 00 20 00
[   60.234361] end_request: I/O error, dev sda, sector 625622544
[   60.234377] ata1: EH complete
[   62.317235] ata1.00: exception Emask 0x0 SAct 0x9f0 SErr 0x0 action 0x0
[   62.317240] ata1.00: irq_stat 0x40000008
[   62.317244] ata1.00: failed command: READ FPDMA QUEUED
[   62.317249] ata1.00: cmd 60/08:40:10:3e:4a/00:00:25:00:00/40 tag 8 ncq 4096 in
[   62.317249]          res 41/40:00:10:3e:4a/00:00:25:00:00/40 Emask 0x409 (media error) <F>
[   62.317252] ata1.00: status: { DRDY ERR }
[   62.317254] ata1.00: error: { UNC }
[   62.329958] ata1.00: configured for UDMA/133
[   62.329981] sd 0:0:0:0: [sda] Unhandled sense code
[   62.329984] sd 0:0:0:0: [sda]  
[   62.329986] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[   62.329988] sd 0:0:0:0: [sda]  
[   62.329989] Sense Key : Medium Error [current] [descriptor]
[   62.329993] Descriptor sense data with sense descriptors (in hex):
[   62.329995]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[   62.330005]         25 4a 3e 10 
[   62.330009] sd 0:0:0:0: [sda]  
[   62.330011] Add. Sense: Unrecovered read error - auto reallocate failed
[   62.330013] sd 0:0:0:0: [sda] CDB: 
[   62.330015] Read(10): 28 00 25 4a 3e 10 00 00 08 00
[   62.330023] end_request: I/O error, dev sda, sector 625622544
[   62.330038] ata1: EH complete
[   62.468335] [drm] Module unloaded
[   62.470638] bbswitch: disabling discrete graphics
[   62.470649] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[   62.475604] audit_printk_skb: 150 callbacks suppressed
[   62.475607] type=1400 audit(1397043669.162:68): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=1140 comm="apparmor_parser"
[   62.475612] type=1400 audit(1397043669.162:69): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=1140 comm="apparmor_parser"
[   62.475958] type=1400 audit(1397043669.162:70): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=1140 comm="apparmor_parser"
[   62.486728] pci 0000:04:00.0: Refused to change power state, currently in D0
[   64.474285] init: samba-ad-dc main process (1202) terminated with status 1
[   64.771548] r8169 0000:02:00.1 eth0: link down
[   64.771576] r8169 0000:02:00.1 eth0: link down
[   64.771601] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   64.771878] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   64.773429] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   64.989578] init: plymouth-upstart-bridge main process ended, respawning
[   65.004122] init: plymouth-upstart-bridge main process ended, respawning
[   66.411295] r8169 0000:02:00.1 eth0: link up
[   66.411303] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   68.214149] init: Failed to spawn nvidia-persistenced main process: unable to execute: No such file or directory
[  186.678884] systemd-hostnamed[2997]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!