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Message-ID: <CAChtp74P5iXZjtooR5e1PgmNYU7qD07GSyKo9GV-3ObR1zGvHw@mail.gmail.com>
Date:   Sat, 28 Apr 2018 00:19:36 -0400
From:   Vivek Unune <npcomplete13@...il.com>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Jon Mason <jonmason@...adcom.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: BCM5301X: Fix NAND ECC parameters for Linksys Panamera

On Fri, Apr 27, 2018 at 10:05 AM, Vivek Unune <npcomplete13@...il.com> 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!

Vivek

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