Hi Greg, could you tell me the output of ethtool -i and ethtool -a and ethtool -c and ethtool -k?
Another difference to the ixgbe is that large-receive-offload is fixed to off in ethtool -k. Stefan Am 17.08.2015 um 23:46 schrieb Rose, Gregory V: > >>>> -----Original Message----- >>>> From: Stefan Priebe [mailto:s.pri...@profihost.ag] >>>> Sent: Thursday, August 13, 2015 12:02 PM >>>> To: Rose, Gregory V; e1000-devel@lists.sourceforge.net >>>> Subject: Re: [E1000-devel] dropped rx with i40e >>>> >>>> Am 13.08.2015 um 20:59 schrieb Rose, Gregory V: >>>>> Thanks Stefan, I'll set up a test to replicate your traffic >>>>> profile as >>>> closely as possible and let it run overnight to see if I can repro >>>> and then update you tomorrow. >>>>> >>>>> It does seem that it has nothing to do with load so that makes it >>>>> even >>>> more curious. >>>> >>>> May it be related to jumbo frames? > > Stefan, > > I've got the test up and running now. Here's the interface config: > > 6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 9000 qdisc noqueue > state UP > link/ether 68:05:ca:2f:83:10 brd ff:ff:ff:ff:ff:ff > inet 200.0.0.10/24 brd 200.0.0.255 scope global bond0 > valid_lft forever preferred_lft forever > inet6 fe80::6a05:caff:fe2f:8310/64 scope link > valid_lft forever preferred_lft forever > 9: p4p1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master > bond0 state UP qlen 1000 > link/ether 68:05:ca:2f:83:10 brd ff:ff:ff:ff:ff:ff > inet6 fe80::6a05:caff:fe2f:8310/64 scope link > valid_lft forever preferred_lft forever > 12: p4p4: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master > bond0 state UP qlen 1000 > link/ether 68:05:ca:2f:83:10 brd ff:ff:ff:ff:ff:ff > inet6 fe80::6a05:caff:fe2f:8310/64 scope link > valid_lft forever preferred_lft forever > > p4p1 and p4p4 are the i40e interfaces bonded to the bond0 LACP interface. > > Here's the traffic results from a transmitter: > > Interim result: 9899.84 10^6bits/s over 5.001 seconds ending at 1439847706.406 > Interim result: 9900.15 10^6bits/s over 5.001 seconds ending at 1439847711.407 > > I have a script watching the dropped packets for the two slaved interfaces > p4p1 and p4p4: > > Every 1.0s: ./t1 Mon Aug 17 14:43:31 > 2015 > > rx_dropped: 0 > tx_dropped: 0 > rx_fcoe_dropped: 0 > port.rx_dropped: 0 > port.tx_dropped_link_down: 0 > rx_dropped: 0 > tx_dropped: 0 > rx_fcoe_dropped: 0 > port.rx_dropped: 0 > port.tx_dropped_link_down: 0 > > I'll let this run overnight and get back to you with results tomorrow. > > Regards, > > - Greg > ------------------------------------------------------------------------------ _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
