From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Cardoen Pieter <P.Cardoen@TELEVIC.com>
Cc: "han.xu@nxp.com" <han.xu@nxp.com>,
"boris.brezillon@free-electrons.com"
<boris.brezillon@free-electrons.com>,
"richard@nod.at" <richard@nod.at>,
"dwmw2@infradead.org" <dwmw2@infradead.org>,
"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
"marek.vasut@gmail.com" <marek.vasut@gmail.com>,
"cyrille.pitchen@wedev4u.fr" <cyrille.pitchen@wedev4u.fr>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: GPMI nand flash ECC errors with mainline kernel
Date: Tue, 15 May 2018 15:49:45 +0200 [thread overview]
Message-ID: <20180515154945.5006f927@bbrezillon> (raw)
In-Reply-To: <HE1PR0702MB362877849767B637814CF9B6FF930@HE1PR0702MB3628.eurprd07.prod.outlook.com>
On Tue, 15 May 2018 11:46:32 +0000
Cardoen Pieter <P.Cardoen@TELEVIC.com> wrote:
> Dear
>
> I am currently trying to use the mainline kernel on a custom imx6ul board with an SLC NAND flash device (29F4G08ABADAH4). When the rootfs is mounted, I get continuously ECC errors (see log below).
>
> I am however sure that the rootfs is programmed. The device boots with an older kernel version on the same device.
Which version works? Is this a vendor tree or a mainline kernel? Looks
like the version that fails is 4.15. Are you sure the ECC config is
exactly the same between the old and new kernel?
>
> I also noticed that with my previous kernel version, it used mtd->_read in function mtd_read while now it is using mtd->_read_oob.
It's unlikely to be the root cause for these ECC failures.
prev parent reply other threads:[~2018-05-15 13:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <HE1PR0702MB362877849767B637814CF9B6FF930@HE1PR0702MB3628.eurprd07.prod.outlook.com>
2018-05-15 11:59 ` GPMI nand flash ECC errors with mainline kernel Miquel Raynal
[not found] ` <HE1PR0702MB36288289EA58B7D0B5368A9FFF930@HE1PR0702MB3628.eurprd07.prod.outlook.com>
2018-05-15 13:36 ` Miquel Raynal
[not found] ` <HE1PR0702MB3628CC11A1E13A0C740F1CDDFF930@HE1PR0702MB3628.eurprd07.prod.outlook.com>
[not found] ` <HE1PR0702MB36280A19BA89FA74BB3AACE8FF930@HE1PR0702MB3628.eurprd07.prod.outlook.com>
2018-05-17 12:58 ` Miquel Raynal
2018-05-17 13:05 ` Richard Weinberger
2018-05-15 13:49 ` Boris Brezillon [this message]
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