Public bug reported: We are using Ubuntu server in AWS running linux-image-3.8.0-19-generic when an instance has moderate network load (around 30mbit) we start to see :
[31333817.179933] xennet: skb rides the rocket: 19 slots [31334587.454365] xennet: skb rides the rocket: 21 slots [31334772.157791] xennet: skb rides the rocket: 20 slots [31335254.431489] xennet: skb rides the rocket: 19 slots [31336785.643018] xennet: skb rides the rocket: 19 slots [31337438.686311] xennet: skb rides the rocket: 21 slots This then translates into packet loss eth0 Link encap:Ethernet HWaddr 0e:cd:f0:69:b1:29 inet addr:10.0.7.254 Bcast:10.0.7.255 Mask:255.255.255.0 inet6 addr: fe80::ccd:f0ff:fe69:b129/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1913740 errors:0 dropped:0 overruns:0 frame:0 TX packets:1619310 errors:0 dropped:6 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1196646593 (1.1 GB) TX bytes:234005040 (234.0 MB) Interrupt:48 ** Affects: linux-lts-raring (Ubuntu) Importance: Undecided Status: New ** Tags: kernel-bug -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1195474 Title: xennet driver reports "skb rides the rocket" under moderate load To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1195474/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs