linux-kernel - orion-nand: uncorrectable ECC error on v5.10-rc6

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Message-ID: <d88ccac1-801c-f30a-097a-331d49956a9c@alliedtelesis.co.nz>
Date:   Wed, 2 Dec 2020 07:47:32 +0000
From:   Chris Packham <Chris.Packham@...iedtelesis.co.nz>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        "richard@....at" <richard@....at>, Vignesh R <vigneshr@...com>,
        "boris.brezillon@...labora.com" <boris.brezillon@...labora.com>
CC:     "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: orion-nand: uncorrectable ECC error on v5.10-rc6

Hi,

I've just booted v5.10-rc6 on a kirkwood based board (which uses the 
orion-nand driver) and I get the following errors reported. I haven't 
started bisecting yet but v5.7.19 mounts the nand flash without any issue.

ubi0: attaching mtd0
__nand_correct_data: uncorrectable ECC error
ubi0 warning: ubi_io_read: error -74 (ECC error) while reading 64 bytes 
from PEB 0:0, read only 64 bytes, retry
__nand_correct_data: uncorrectable ECC error
ubi0 warning: ubi_io_read: error -74 (ECC error) while reading 64 bytes 
from PEB 0:0, read only 64 bytes, retry
__nand_correct_data: uncorrectable ECC error
ubi0 warning: ubi_io_read: error -74 (ECC error) while reading 64 bytes 
from PEB 0:0, read only 64 bytes, retry
__nand_correct_data: uncorrectable ECC error
ubi0 error: ubi_io_read: error -74 (ECC error) while reading 64 bytes 
from PEB 0:0, read 64 bytes
CPU: 0 PID: 101 Comm: ubiattach Not tainted 5.10.0-rc6+ #1
Hardware name: Marvell Kirkwood (Flattened Device Tree)
[<8010ca64>] (unwind_backtrace) from [<80109bd0>] (show_stack+0x10/0x14)
[<80109bd0>] (show_stack) from [<8045f10c>] (ubi_io_read+0x184/0x304)
[<8045f10c>] (ubi_io_read) from [<8045f4ac>] (ubi_io_read_ec_hdr+0x44/0x240)
[<8045f4ac>] (ubi_io_read_ec_hdr) from [<80464db0>] 
(ubi_attach+0x178/0x15fc)
[<80464db0>] (ubi_attach) from [<80458d8c>] (ubi_attach_mtd_dev+0x538/0xb48)
[<80458d8c>] (ubi_attach_mtd_dev) from [<8045a114>] 
(ctrl_cdev_ioctl+0x170/0x1e0)
[<8045a114>] (ctrl_cdev_ioctl) from [<80203094>] (sys_ioctl+0x1f8/0x990)
[<80203094>] (sys_ioctl) from [<80100060>] (ret_fast_syscall+0x0/0x50)
Exception stack(0x87633fa8 to 0x87633ff0)
3fa0:                   00000003 7e9b0c30 00000003 40186f40 7e9b0c30 
00000000
3fc0: 00000003 7e9b0c30 000148f8 00000036 00014770 00013f90 76f3dfa4 
00000000
3fe0: 76e936f0 7e9b0c1c 00011f68 76e936fc