On 17 December 2017 at 16:00, Willy Tarreau <w...@1wt.eu> wrote: > On Sun, Dec 17, 2017 at 07:07:46PM +0100, Boris Brezillon wrote: >> > > This would guarantee that devices with factory bad blocks, >> > > (and no BBT), would be OK with this patch. >> > >> > I see. I'm fine with trying provided I have reasonably good assurance >> > that I won't have to go through the kwboot pain again :-/ >> >> There's a easy test you can do without scrubing the NAND: >> 1/ comment the nand-on-flash-bbt property in your DT (this will trigger >> a full scan) >> 2/ from u-boot (before booting the kernel), erase a block that you know >> contains nothing important >> 3/ during the kernel scan, make sure this block is not reported as bad > > OK so I tried and never faced any error. Thus I also attempted to mark > a bad block in u-boot, it appeared in the bad blocks table, then I had > to scrub the whole table to get rid of it. Each time when I booted I > saw the message "Scanning device for bad blocks" but no error ever > happened. So I hope it's OK. >
Nice. Thanks a lot Willy. I think this acks Boris' patch. -- Ezequiel GarcĂa, VanguardiaSur www.vanguardiasur.com.ar