I've disabled them all on both VM's with FreeBSD 12.0-RELEASE (ifconfig xn0 -txcsum -rxcsum -lro -tso), and also tried disabling everything for the VIF via XCP-ng earlier. It made no difference unfortunately.
Den tis 25 juni 2019 kl 14:08 skrev Eugene Grosbein <[email protected]>: > 25.06.2019 18:55, Christian M wrote: > > > Please note the > > extremely uneven throughput for test 2 below. It's almost like the > > throughput increased when running tcpdump simultaneously. > > Generally this indicates broken "hardware" offload for some features > like txcsum/rxcsum/vlan_hwcsum/vlan_hwtagging etc. > > Some of them may be automatically disabled while interface is put in > promiscuous mode > by running tcpdump and enabled back after tcpdump terminated. > > You should look at "options" line in the output of ifconfig for the > interface > and manually disable offloads (look for ifconfig(8) manual for details). > They retry tests without tcpdump running. > > _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "[email protected]"
