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** Tags added: verification-needed-focal

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https://bugs.launchpad.net/bugs/1905574

Title:
  Ubuntu 20.10 four needed fixes to 'Add driver for Mellanox Connect-IB
  adapters'

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Focal:
  Fix Committed
Status in linux source package in Groovy:
  Fix Released

Bug description:
  [Impact]

  commit
  d43b7007dbd1 net/mlx5: Fix a race when moving command interface to events mode
  from upstream v5.7-rc1 (and in groovy) fixes 
  e126ba97dba9 mlx5: Add driver for Mellanox Connect-IB adapters
  this fix should come with four more patches from v5.9.

  410bd754cd73 net/mlx5: Add retry mechanism to the command entry index 
allocation
  1d5558b1f0de net/mlx5: poll cmd EQ in case of command timeout
  50b2412b7e78 net/mlx5: Avoid possible free of command entry while timeout 
comp handler
  432161ea26d6 net/mlx5: Fix a race when moving command interface to polling 
mode

  all four patches are applied cleanly on groovy tree and we ask to pull
  them into groovy.

  please also see this discussion
  https://www.spinics.net/lists/stable/msg428620.html
     
    
  Thank's

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