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From: Norbert van Bolhuis <nvbolhuis@aimvalley.nl>
To: dedekind1@gmail.com
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	"Thorsten Mühlfelder" <muehlfelder@enertex.de>,
	"Ricard Wanderlof" <ricard.wanderlof@axis.com>
Subject: Re: Some questions on bit-flips and JFFS2
Date: Wed, 05 May 2010 11:29:09 +0200	[thread overview]
Message-ID: <4BE13A65.1020701@aimvalley.nl> (raw)
In-Reply-To: <1273049480.3702.129.camel@localhost>

Artem Bityutskiy wrote:

.
.
.

> 
> Unless you supply your device with an UPS :-)
> 
> I did not really follow the discussion, so sorry if the following is
> unrelated: I think it should not be too difficult to teach JFFS2 to
> force GC on eraseblocks with bit-flips.
> 

I can confirm that ;-)
we actually implemented this (for our ancient 2.4.25 kernel with JFFS2 version 2005)
because we were seriously suffering from NAND bit flips on our Numonyx SLC NAND device.
see:
http://lists.infradead.org/pipermail/linux-mtd/2009-August/027080.html

This would only benefit the OP if kernel image is kept on JFFS2 (too).

  parent reply	other threads:[~2010-05-05  9:29 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-03 13:05 Some questions on bit-flips and JFFS2 Thorsten Mühlfelder
2010-05-04  9:28 ` Norbert van Bolhuis
2010-05-04 14:59   ` Thorsten Mühlfelder
2010-05-05  8:34     ` Norbert van Bolhuis
2010-05-05  8:40       ` Ricard Wanderlof
2010-05-05  8:51         ` Artem Bityutskiy
2010-05-05  9:20           ` Ricard Wanderlof
2010-05-11  7:59             ` Thorsten Mühlfelder
2010-05-11  9:35               ` Ricard Wanderlof
2010-05-12 11:21                 ` Thorsten Mühlfelder
2010-05-12 12:22                   ` Ricard Wanderlof
2010-05-19  7:45                     ` Thorsten Mühlfelder
2010-05-05  9:29           ` Norbert van Bolhuis [this message]
2010-05-11  8:09       ` Thorsten Mühlfelder
2010-05-11 14:55         ` Norbert van Bolhuis
2010-05-12 10:48           ` Thorsten Mühlfelder
2010-05-05  6:59 ` Ricard Wanderlof

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