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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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

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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

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