netdev - Re: forcedeth driver hangs under heavy load

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Date:	Tue, 13 Apr 2010 15:27:04 +0100
From:	stephen mulcahy <smulcahy@...il.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
CC:	Eric Dumazet <eric.dumazet@...il.com>,
	netdev <netdev@...r.kernel.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	Ayaz Abdulla <aabdulla@...dia.com>, 572201@...s.debian.org
Subject: Re: forcedeth driver hangs under heavy load

Ok, I've tried both of the following with my reproducer

1. ethtool -K eth0 tso off

RESULT: reproducer causes multiple hosts to be come unresponsive on 
first run.

2. ethtool -K eth0 tx off

RESULT: reproducer runs three times without any hosts becoming unresponsive.

-stephen
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