Am 22.06.2012 20:46, schrieb Nikita V. Youshchenko:
> Tried code from there, plus patch you've sent, and still getting
> 
> # ubidetach /dev/ubi_ctrl -m 2
> UBI error: ubi_update_fastmap: could not find an anchor PEB
> UBI warning: ubi_update_fastmap: Unable to write new fastmap, err=-28
> UBI: mtd2 is detached from ubi0

As I said, the posted patch may or may not help.
Most likely the freshly created anchor PEBs got consumed by one
of the pools.
Anyway, I'll present a proper solution within the next few days.

Thanks,
//richard