linux-kernel - Re: [PATCH/RFC v5 4/5]: core: Add dump device to call on oopses and panics

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Date:	Mon, 30 Nov 2009 10:28:28 +0100
From:	Simon Kagstrom <simon.kagstrom@...insight.net>
To:	dedekind1@...il.com
Cc:	Jörn Engel <joern@...fs.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Koskinen Aaro (Nokia-D/Helsinki)" <aaro.koskinen@...ia.com>,
	Ingo Molnar <mingo@...e.hu>,
	David Woodhouse <dwmw2@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH/RFC v5 4/5]: core: Add dump device to call on oopses and
 panics

On Mon, 30 Nov 2009 11:09:47 +0200
Artem Bityutskiy <dedekind1@...il.com> wrote:

> > I believe this bit is wrong.  log_end is an unsigned int, so it can
> > wrap relatively quickly.  If log_end just wrapped to 0 and dump_kmsg is
> > called, the amount of printk buffer stored appears to be 0 as well.
> 
> Simon, if you want your patches to be merged to 2.6.33, we should
> address this issue ASAP, otherwise it'll be too late.

I'm testing your patch, I'll get back when I have verified that it works.

// Simon
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