[ 1170.355631] FAT: Directory bread(block 515) failed
[ 1170.355638] FAT: Directory bread(block 516) failed
[ 1170.355646] FAT: Directory bread(block 517) failed
[ 1170.355653] FAT: Directory bread(block 518) failed
[ 1244.395498] attempt to access beyond end of device
[ 1244.395510] sdb: rw=0, want=4067027080, limit=8058880
[ 1244.395515] printk: 14 messages suppressed.
[ 1244.395523] Buffer I/O error on device sdb1, logical block 508378384
[ 1244.395531] attempt to access beyond end of device
[ 1244.395547] sdb: rw=0, want=4067027080, limit=8058880
[ 1244.395554] Buffer I/O error on device sdb1, logical block 508378384
[ 1246.323372] VFS: Can't find ext4 filesystem on dev sdb1.
[ 1246.324354] SQUASHFS error: Can't find a SQUASHFS superblock on sdb1
[ 1246.325347] FAT: invalid media value (0xb9)
[ 1246.325353] VFS: Can't find a valid FAT filesystem on dev sdb1.
[ 1246.326850] hfs: unable to find HFS+ superblock
[ 1282.455325] FAT: invalid media value (0xb9)
[ 1282.455333] VFS: Can't find a valid FAT filesystem on dev sdb1.
[ 1307.090330] FAT: invalid media value (0xb9)
[ 1307.090338] VFS: Can't find a valid FAT filesystem on dev sdb1.