nand错误信息

0x88

有没有人遇到过这种错误信息？
[   15.185431] EXT4-fs (nandb): warning: mounting fs with errors, running e2fsck is recommended
[   16.174856] EXT4-fs error (device nandb): ext4_mb_generate_buddy:741: group 6, 79 clusters in bitmap, 80 in gd
[   21.670323] EXT4-fs error (device nandb): ext4_mb_generate_buddy:741: group 12, 11712 clusters in bitmap, 11714 in gd
[   22.910705] EXT4-fs error (device nandb): ext4_mb_generate_buddy:741: group 11, 8583 clusters in bitmap, 8585 in gd
这会是什么原因引起？是在使用过程中又不会影响。