On Thu, 27 Nov 2014, SL wrote: > kernel: xen_netfront: xennet: skb rides the rocket: 19 slots
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1317811 http://www.brendangregg.com/blog/2014-09-11/perf-kernel-line-tracing.html Try disabling TSO in xennet: ethtool -K eth0 sg off > - What might be causing this issue? The xennet kernel driver is broken. > - Could this be a problem with the virtual host? (and why is Xen mentioned > here) It is the client, but yes. > - What can I do to stop this happening? Kill your net performance by disabling sg acceleration. This is going to bite you hard if you use jumbo frames (MTU > 1500). -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20141127102732.gb11...@khazad-dum.debian.net
