This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1720228

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/1720228

Title:
  User reports excessive ALUA retry messages

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  User reports excessive ALUA messages on Ubuntu Trusty, kernel Ubuntu-
  lts-4.4.0-91.114_14.04.1

  Messages appear after a LUN disappears and there are hundreds of them
  flooding the log...

  
  [263095.795873] sd 3:0:0:129: alua: rtpg retry
  [263095.795874] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.795876] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.795961] sd 3:0:0:129: alua: rtpg retry
  [263095.795962] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.795964] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796049] sd 3:0:0:129: alua: rtpg retry
  [263095.796052] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796054] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796140] sd 3:0:0:129: alua: rtpg retry
  [263095.796142] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796143] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796224] sd 3:0:0:129: alua: rtpg retry
  [263095.796226] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796227] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796473] sd 3:0:0:129: alua: rtpg retry
  [263095.796475] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796476] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796604] sd 3:0:0:129: alua: rtpg retry
  [263095.796606] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796607] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796691] sd 3:0:0:129: alua: rtpg retry
  [263095.796693] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796694] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796778] sd 3:0:0:129: alua: rtpg retry
  [263095.796780] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796781] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796868] sd 3:0:0:129: alua: rtpg retry
  [263095.796869] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796871] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.796951] sd 3:0:0:129: alua: rtpg retry
  [263095.796953] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.796954] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797034] sd 3:0:0:129: alua: rtpg retry
  [263095.797035] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797037] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797117] sd 3:0:0:129: alua: rtpg retry
  [263095.797119] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797120] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797202] sd 3:0:0:129: alua: rtpg retry
  [263095.797203] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797205] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797288] sd 3:0:0:129: alua: rtpg retry
  [263095.797289] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797290] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797387] sd 3:0:0:129: alua: rtpg retry
  [263095.797388] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797390] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797470] sd 3:0:0:129: alua: rtpg retry
  [263095.797471] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797472] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797562] sd 3:0:0:129: alua: rtpg retry
  [263095.797563] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797564] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported
  [263095.797652] sd 3:0:0:129: alua: rtpg retry
  [263095.797653] sd 3:0:0:129: [alua] Sense Key : Illegal Request [current] 
  [263095.797654] sd 3:0:0:129: [alua] Add. Sense: Logical unit not supported

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