edit: I have noticed that I have some NAND errors. I suppressed the system check on boot, but should I be worried? Do I just need to re-flash the internal flash file system?
I routinely (every time I checked, have been rebooting frequently) see these in dmesg; is that what you see?
Part of dmesg
Warning Sata is Powered Off
NFTL driver: nftlcore.c $Revision: 1.98 $, nftlmount.c $Revision: 1.41 $
NAND device: Manufacturer ID: 0xad, Chip ID: 0xdc (Hynix NAND 512MiB 3,3V 8-bit)
Scanning device for bad blocks
Bad eraseblock 3232 at 0x19400000
Bad eraseblock 3233 at 0x19420000
Bad eraseblock 3234 at 0x19440000
Bad eraseblock 3235 at 0x19460000
Bad eraseblock 3236 at 0x19480000
Bad eraseblock 3237 at 0x194a0000
Using static partition definition
Creating 3 MTD partitions on "nand_mtd":
0x00000000-0x00100000 : "u-boot"
0x00100000-0x00300000 : "uImage"
0x00300000-0x20000000 : "root"