From: Vitaly Wool <vwool@ru.mvista.com>
To: Anil Gupta <anilgupta9@hotmail.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: squashfs and NAND flash
Date: Tue, 25 Apr 2006 16:21:09 +0400 [thread overview]
Message-ID: <444E1435.4030208@ru.mvista.com> (raw)
In-Reply-To: <BAY19-F25626592BB956CC2B586828BBF0@phx.gbl>
Hi,
Anil Gupta wrote:
> Hi,
> We have an embedded system with a squashfs rootfs in NAND flash. The
> rootfs is mounted using the RO mtdblock device. The rootfs is
> occasionally upgraded, writing the entire squashfs
> image into flash using nandwrite.
>
> We found that if the NAND flash has a bad sector, the bad sector is
> correctly skipped when the image is written but fs access errors occur
> when the fs is mounted. Some debugging shows that the filesystem is
> off by 1 when reading flash sectors beyond the bad sector.
>
> We are using squashfs-2.1, kernel 2.4.31, mtd snapshot 20051003.
>
> Should mtd handle bad blocks when using squashfs?
Please see
http://lists.infradead.org/pipermail/linux-mtd/2004-May/009695.html.
It's outdated, but I don't think it's hard to make it up-to-date.
if it's of interest to many people, I can even do that :)
Vitaly
prev parent reply other threads:[~2006-04-25 12:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-25 10:02 squashfs and NAND flash Anil Gupta
2006-04-25 10:26 ` Andy Hawkins
2006-04-27 21:33 ` Russ Dill
2006-04-27 23:35 ` Phillip Lougher
2006-04-28 1:06 ` Josh Boyer
2006-04-28 12:12 ` Phillip Lougher
2006-04-28 12:36 ` Josh Boyer
2006-04-25 12:21 ` Vitaly Wool [this message]
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