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Subject: Re: UBIFS mount failure upon power off
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Mark <xiaoming1981.zhang@gmail.com>
Date: Sun, 22 Apr 2012 16:15:32 +0300
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Hi,

On Wed, 2012-04-11 at 20:17 +0800, Mark wrote:
> brcmnand_read_page: 3: brcmnand_posted_read_cache failed at
> offset=3D3c81c00, ret=3D-77
> UBI error: ubi_io_read: error -77 while reading 126976 bytes from PEB
> 21:4096, read 2048 bytes
> UBIFS error (pid 484): ubifs_start_scan: cannot read 126976 bytes from
> LEB 18:0, error -5
> mount: mounting ubi13_0 on /usr/local/appdata failed: Input/output
> error
>=20
Please fix your NAND driver and why it returns strange error code
-EBADFD (-77). Uncorrectable ECC errors should be reported as -EBADMSG
instead. Bit-flips as -EUCLEAN.

--=20
Best Regards,
Artem Bityutskiy


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