> -----Original Message----- > From: Michał Mirosław [mailto:michal.miros...@atendesoftware.pl] > Sent: Thursday, April 21, 2016 5:45 AM > To: e1000-devel@lists.sourceforge.net; intel-wired-...@lists.osuosl.org > Cc: Paweł Małachowski <pawel.malachow...@atendesoftware.pl>; mirq- > li...@rere.qmqm.pl > Subject: [E1000-devel] i40e: Deadly GRE packet > > Dear Developers, > > I have a setup of a pair of SuperMicro-branded XL710s connected with > passive crossover cable, one (eth4) is using firmware 5.0, the other (eth7) > is using fw 4.33. When I send couple of packets with no payload in GRE over > IP over ETH from eth7 to eth4, the receiving card stops processing further > packets. It seems that 4 empty-GRE packets in succession are enough to kill > the card's receivers (all ports stop working), more if there are other > packets inbetween. Transmit direction is not affected. After reboot, the > card comes back, reloading the driver (or unbind/bind) is not enough to fix > the problem. > Can you also provide the version of the driver you are using? Ethtool -i
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