[ 6156.216494] sd 0:0:0:0: [sda] Unhandled error code
[ 6156.216499] sd 0:0:0:0: [sda]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 6156.216504] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 1a c1 19 90 00 00 08 00
[ 6156.216516] end_request: I/O error, dev sda, sector 448862608
[ 6159.701363] sd 0:0:0:0: [sda] Unhandled error code
[ 6159.701369] sd 0:0:0:0: [sda]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 6159.701374] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 1a c1 19 90 00 00 08 00
[ 6159.701386] end_request: I/O error, dev sda, sector 448862608
[ 6159.701495] EXT4-fs (sda1): previous I/O error to superblock detected
[ 6159.701559] sd 0:0:0:0: [sda] Unhandled error code
[ 6159.701562] sd 0:0:0:0: [sda]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 6159.701566] sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 00 00 08 00 00 00 08 00
[ 6159.701576] end_request: I/O error, dev sda, sector 2048
[ 6159.701607] Buffer I/O error on device sda1, logical block 0
[ 6159.701635] lost page write due to I/O error on sda1
[ 6159.701652] EXT4-fs error (device sda1): ext4_find_entry:932: inode #14032811: comm postdrop: reading directory lblock 0