From: Artem Bityutskiy <dedekind1@gmail.com>
To: Kent Li <Kent.Li@radisys.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"HOUR Fréderic" <frederic.hour@safran-engineering.com>
Subject: Re: Corrupt empty space
Date: Tue, 11 Mar 2014 09:46:40 +0200 [thread overview]
Message-ID: <1394524000.6302.217.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <aadf057c868c47128845c19d69933c46@BLUPR08MB103.namprd08.prod.outlook.com>
On Tue, 2014-03-11 at 05:31 +0000, Kent Li wrote:
> Frederic,
>
> I'm not sure if this is the unstable bit issue, but I just resolved such issue by enhancing my Nand driver in both Uboot code and Linux code.
>
> The main idea is:
> Read a page
> If ( ECC fail ) ;then
> Check the how many 0 bit there is.
> If ( 0 bit number > tolerance value) //tolerance value is depends on the ECC correctable bits.
> Print "Fail to recover by ECC"
> Else
> Force change the 0 bits to 1
> fi
> fi
Off the top of my head, this sounds reasonable. Too bad people people do
not just go and fix this in upstream...
--
Best Regards,
Artem Bityutskiy
next prev parent reply other threads:[~2014-03-11 7:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-10 17:35 Corrupt empty space HOUR Fréderic
2014-03-11 5:31 ` Kent Li
2014-03-11 7:00 ` Gupta, Pekon
2014-03-11 7:46 ` Artem Bityutskiy [this message]
2014-03-11 8:21 ` Brian Norris
2014-03-21 7:18 ` Gupta, Pekon
2014-03-21 7:31 ` Artem Bityutskiy
2014-03-21 7:43 ` Ricard Wanderlof
2014-03-21 7:53 ` Artem Bityutskiy
2014-03-21 7:50 ` Gupta, Pekon
2014-03-21 8:13 ` Artem Bityutskiy
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