Aug  6 16:53:31 wrars-comp kernel: ata1: status=0xd0 { Busy }
Aug  6 16:54:31 wrars-comp kernel: ata1: status=0xd0 { Busy }
Aug  6 16:54:31 wrars-comp kernel: end_request: I/O error, dev sda, sector 148459586
Aug  6 16:54:31 wrars-comp kernel: ata1: status=0x50 { DriveReady SeekComplete }
Aug  6 16:54:31 wrars-comp kernel: ata1: error=0x01 { AddrMarkNotFound }

Aug  6 16:53:31 wrars-comp kernel: ata1: command 0xea timeout, stat 0xd0 host_stat 0x0
Aug  6 16:53:31 wrars-comp kernel: ata1: translated ATA stat/err 0xd0/00 to SCSI SK/ASC/ASCQ 0xb/47/00
Aug  6 16:54:01 wrars-comp kernel: ata1: command 0xca timeout, stat 0xd0 host_stat 0x1
Aug  6 16:54:31 wrars-comp kernel: ata1: translated ATA stat/err 0xd0/00 to SCSI SK/ASC/ASCQ 0xb/47/00
Aug  6 16:54:31 wrars-comp kernel: ata1: command 0xca timeout, stat 0x50 host_stat 0x1

Aug  6 16:54:31 wrars-comp kernel: sd 0:0:0:0: SCSI error: return code = 0x8000002
Aug  6 16:54:31 wrars-comp kernel: sda: Current: sense key=0xb
Aug  6 16:54:31 wrars-comp kernel:     ASC=0x47 ASCQ=0x0
Aug  6 16:54:31 wrars-comp kernel: Info fld=0xb90b91
Aug  6 16:54:31 wrars-comp kernel: sda: Current: sense key=0x0
Aug  6 16:54:31 wrars-comp kernel:     ASC=0x0 ASCQ=0x0
Aug  6 16:54:31 wrars-comp kernel: Info fld=0x1
Aug  6 16:54:31 wrars-comp kernel: xfs_force_shutdown(sda3,0x2) called from line 959 of file fs/xfs/xfs_log.c.  Return address = 0xc01c6d23

Aug  6 16:54:31 wrars-comp kernel: I/O error in filesystem ("sda3") meta-data dev sda3 block 0x5d27329       ("xlog_iodone") error 5 buf count 32768
Aug  6 16:54:31 wrars-comp kernel: Filesystem "sda3": Log I/O Error Detected.  Shutting down filesystem: sda3
Aug  6 16:54:31 wrars-comp kernel: Please umount the filesystem, and rectify the problem(s)