linux-kernel - Re: ppoll() stuck on POLLIN while TCP peer is sending

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Message-ID: <20130107223850.GA21311@dcvr.yhbt.net>
Date:	Mon, 7 Jan 2013 22:38:50 +0000
From:	Eric Wong <normalperson@...t.net>
To:	Mel Gorman <mgorman@...e.de>
Cc:	linux-mm@...ck.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Rik van Riel <riel@...hat.com>,
	Minchan Kim <minchan@...nel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: ppoll() stuck on POLLIN while TCP peer is sending

Mel Gorman <mgorman@...e.de> wrote:
> Right now it's difficult to see how the capture could be the source of
> this bug but I'm not ruling it out either so try the following (untested
> but should be ok) patch.  It's not a proper revert, it just disables the
> capture page logic to see if it's at fault.

Things look good so far with your change.
It's been running 2 hours on a VM and 1 hour on my regular machine.
Will update again in a few hours (or sooner if it's stuck again).
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