This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1491957 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1491957 Title: 3.16.0.48 kernel in hyper-v cause hv_netvsc problem Status in linux package in Ubuntu: Incomplete Bug description: I have an Ubuntu 14.04 LTS in Hyper-V. It works well. Today I apt upgrade the kernel from 3.16.0.46 to 3.16.0.48 and after reboot, I have network connection problems, and have a lot of error message on screen like the above ones. Sep 3 18:48:07 RailGun kernel: [ 71.437967] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2068)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.438276] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2068)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.438596] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2069)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.439016] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2069)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.439434] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2069)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.439847] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2069)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.440155] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2069)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.465593] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206a)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.466165] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206a)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.466827] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206a)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.467508] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206a)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.468056] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206a)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.474507] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206b)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.474998] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206b)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.475419] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206b)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.475833] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206b)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.476145] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206b)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.483356] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206c)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.483823] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206c)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.484266] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206c)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.484683] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206c)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.484993] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206c)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.491738] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206d)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.492223] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206d)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.492645] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206d)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.493060] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206d)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.493369] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206d)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.493689] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206e)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.494109] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206e)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.494527] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206e)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.494941] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206e)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.495249] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206e)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.509010] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206f)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.509467] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206f)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.509892] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206f)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.510308] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206f)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.510617] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 206f)...give up retrying Sep 3 18:48:07 RailGun kernel: [ 71.510938] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2070)...retrying 1 Sep 3 18:48:07 RailGun kernel: [ 71.511358] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2070)...retrying 2 Sep 3 18:48:07 RailGun kernel: [ 71.511828] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2070)...retrying 3 Sep 3 18:48:07 RailGun kernel: [ 71.512245] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2070)...retrying 4 Sep 3 18:48:07 RailGun kernel: [ 71.512669] hv_netvsc vmbus_0_16 eth0: unable to send receive completion pkt (tid 2070)...give up retrying To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1491957/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp