[U-Boot] ubi part failing on NAND

Jeff Angielski jeff at theptrgroup.com
Fri Dec 18 16:07:40 CET 2009


Stefan Roese wrote:
> On Friday 18 December 2009 13:35:26 hedwin wrote:
>> Jeff, what is the size of your allocateble memory. Had to increase it to
>>  4MB to get it working.
> 
> I've got 1MByte for my test on Kilauea. This should be enough. There
> is already a compile-time check in the UBI code:
> 
> 
> #if (CONFIG_SYS_MALLOC_LEN < (512 << 10))
> #error Malloc area too small for UBI, increase CONFIG_SYS_MALLOC_LEN to >= 512k
> #endif
> 
> Please let me know if this really is not enough. But for me, 1MB is working.

As per Hedwin's suggestion I increased my CONFIG_SYS_MALLOC_LEN to 4MB 
and the error disappeared.  Thanks Hedwin!  And now the UBI output 
matches my part (e.g. PEB size).


=> nand erase 0x0 0x40000000

=> ubi part fs1
Creating 1 MTD partitions on "nand0":
0x000000000000-0x000020000000 : "mtd=0"
UBI: attaching mtd2 to ubi0
UBI: physical eraseblock size:   262144 bytes (256 KiB)
UBI: logical eraseblock size:    253952 bytes
UBI: smallest flash I/O unit:    4096
UBI: VID header offset:          4096 (aligned 4096)
UBI: data offset:                8192
UBI: empty MTD device detected
UBI: create volume table (copy #1)
UBI: create volume table (copy #2)
UBI: attached mtd2 to ubi0
UBI: MTD device name:            "mtd=0"
UBI: MTD device size:            512 MiB
UBI: number of good PEBs:        2045
UBI: number of bad PEBs:         3
UBI: max. allowed volumes:       128
UBI: wear-leveling threshold:    4096
UBI: number of internal volumes: 1
UBI: number of user volumes:     0
UBI: available PEBs:             2021
UBI: total number of reserved PEBs: 24
UBI: number of PEBs reserved for bad PEB handling: 20
UBI: max/mean erase counter: 0/0
=>

-- 
Jeff Angielski
The PTR Group
www.theptrgroup.com


More information about the U-Boot mailing list