Re: pxa3xx_nand times out in 4.14 with JFFS2
From: Ezequiel Garcia
Date: Sun Dec 17 2017 - 16:01:36 EST
On 17 December 2017 at 16:00, Willy Tarreau <w@xxxxxx> 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 GarcÃa, VanguardiaSur