From: Eric Dumazet <eric.duma...@gmail.com> Date: Tue, 13 Apr 2010 16:42:21 +0200
> Le mardi 13 avril 2010 à 15:27 +0100, stephen mulcahy a écrit : >> 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 > > Thanks Stephen ! > > Now some brave fouls to check the 6410 lines of this driver ? ;) > > Question of the day : Why TSO is broken in forcedeth ? > Is it generically broken or is it broken for specific NICS ? Do you really come to the conclusion that TSO is broken with the above test results? I would conclude that there is a TX checksumming issue, since merely turning TSO off does not fix the problem whereas turning TX checksumming off does. -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20100413.144340.138717714.da...@davemloft.net
