On Sun, Dec 17, 2017 at 06:01:29PM -0300, Ezequiel Garcia wrote: > 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.
You're welcome, you and Boris fixed my problem very quickly allowing me to continue to prepare my new router :-) BTW, Boris please don't forget to mark your fix for -stable. Thanks, Willy
