*** This bug is a duplicate of bug 1924314 ***
    https://bugs.launchpad.net/bugs/1924314

** This bug has been marked a duplicate of bug 1924314
   netvsc may cause CPU lockup

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Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1923888

Title:
  Apply Patch to 4.15 kernels which will resolve a netvsc bug

Status in linux-azure package in Ubuntu:
  New

Bug description:
  A soft lockup is happening to Customers due to a bug in netvsc_poll.

  Ubuntu 4.15.0-1103 has CONFIG_NET_POLL_CONTROLLER=y in kernel config
  file, there is a bug in netvsc that may cause CPU lockup with
  POLL_CONTROLLER. This bug  has been fixed by the following patch:

  
  commit 2a7f8c3b1d3feedee3aa319ac220cbde3725b5d5
  Author: Stephen Hemminger <step...@networkplumber.org>
  Date:   Sat Sep 29 14:52:56 2018 +0200

      hv_netvsc: remove ndo_poll_controller

  
  This commit is in mainline as of 4.20-rc1.

  Microsoft would like to request this patch in 4.15 based Azure
  kernels.

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