系统可以正常启动，进入linux终端界面。但是有时会出现以下症状，有时好有时不好，求问是怎么回事？是我的falsh坏了吗？
[root@FriendlyARM /]# hello -qws
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x08...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x40 to 0x48...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x48 to 0x40...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x08...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x00 to 0x01...OK
s3c-nand: 1 bit error detected at byte 2047, correcting from 0x40 to 0x48..
