I boot my board from nand flash, the filesystem is ubi. The bootargs of ubifs is rw or ro. Sometimes the ubifs are bad both rw and ro, board can't boot successfully.
The error print information is as follows.
NET: Registered protocol family 17 VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
omap_voltage_late_init: Voltage driver support not added
Power Management for TI81XX. smartreflex smartreflex: Driver initialized omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) davinci_mdio davinci_mdio.0: resetting idled controller net eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, id=282f014) IP-Config: Complete: device=eth0, addr=192.168.1.186, mask=255.255.255.0, gw=192.168.1.1, host=192.168.1.186, domain=, nis-domain=(none), bootserver=192.168.1.47, rootserver=192.168.1.47, rootpath=
UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 3:4096, read 126976 bytes
UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 4:4096, read 126976 bytes
UBIFS: recovery needed
UBI error: ubi_io_read: error -74 (ECC error) while reading 100352 bytes from PEB 337:30720, read 100352 bytes
UBI error: ubi_io_read: error -74 (ECC error) while reading 26624 bytes from PEB 337:4096, read 26624 bytes
UBIFS error (pid 1): ubifs_leb_read: reading 26624 bytes from LEB 335:0 failed, error -74
UBIFS error (pid 1): ubifs_recover_leb: LEB 335 scanning failed
VFS: Cannot open root device "ubi0:rootfs" or unknown-block(0,0)
Please append a correct "root=" boot option; here are the available partitions: 1f00 2432 mtdblock0 (driver?) 1f01 128 mtdblock1 (driver?) 1f02 3072 mtdblock2 (driver?)
Look forward to your reply, thank you.