On 28 April 2018 at 06:19, Vivek Unune <npcomplete13@xxxxxxxxx> wrote: > On Fri, Apr 27, 2018 at 10:05 AM, Vivek Unune <npcomplete13@xxxxxxxxx> wrote: >> On Wed, Apr 25, 2018 at 11:02:04AM +0200, Rafał Miłecki wrote: >>> >>> The easiest solution: ignore all these "error -74 (ECC error) while >>> reading" errors (they may last for few minutes!). I believe UBI should >>> simply recreate all pages it couldn't access and once you wait long >>> enough, all your NAND flash will be using BCH8. >> >> Let me build the firmware with BCH-8 and wait it out. I'll report back my >> results. > > I can confirm that BCH-8 indeed works after letting it run through those > ECC errors. > > Thanks! Great, thanks! That controller behavior (reading BCH8 fine while working in BCH4 mode) is really confusing. -- Rafał -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html