linux-kernel - Re: MTD : Kernel oops when remounting ubifs as read/write

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Date:	Fri, 15 Mar 2013 10:40:04 +0200
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Mark Jackson <mpfj-list@...c.co.uk>
Cc:	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>, adrian.hunter@...el.com
Subject: Re: MTD : Kernel oops when remounting ubifs as read/write

On Thu, 2013-03-14 at 13:40 +0000, Mark Jackson wrote:
> On 14/03/13 12:23, Artem Bityutskiy wrote:
> > On Thu, 2013-03-14 at 14:18 +0200, Artem Bityutskiy wrote:
> >>> Is this size larger than the allocated buffer ?
> >>
> >> I believe so.
> > 
> > Err, I mean, the buffer is large enough. I do not believe there is a
> > stupid bug like too small buffer. This code has worked for years and I
> > do not think it was changes much.
> > 
> > The oops may be cause by memory corruption - some of your drivers may
> > corrupt memory. You need to spend more time debugging this carefully.
> 
> It can handle 64k, but not 122880 bytes ...

No idea what is wrong with the CRC funtions, you may try older kernels
and if you fine a working one, you may try to bisect.

-- 
Best Regards,
Artem Bityutskiy

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