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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.7 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc4-yakkety/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Tags added: kernel-da-key xenial

-- 
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https://bugs.launchpad.net/bugs/1594666

Title:
  Multipath service fails to start in Ubuntu 16.04

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  CONFIGURATION DETAILS         
  Host OS with Support Pack - Ubuntu 16.04
  System(s) Under Test      - x86
  Adapter(s) Under Test     - Skyhawk
  Network Configuration     - Connected to Juniper Switch
  SAN Configuration         - LIO Target

  BUG REPRODUCTION DETAILS      
  Steps To Reproduce Bug    - Enable multipath service, reboot the server.

  There is a similar bug raised but not sure if it relates to the issue I am
  getting :
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=817940

  Below is the output while trying to start multipath service

  root@dhcp-10-227-28-83:~# service multipathd status
  ● multipathd.service - Device-Mapper Multipath Device Controller
     Loaded: loaded (/lib/systemd/system/multipathd.service; enabled; vendor
  preset: enabled)
     Active: active (running) (Result: timeout) since Thu 2016-04-21 20:54:36
  PDT; 1h 43min ago
   Main PID: 6156 (code=exited, status=0/SUCCESS)
     CGroup: /system.slice/multipath-tools.service
             └─2420 /sbin/multipathd

  Apr 21 22:23:37 dhcp-10-227-28-83 multipathd[6156]: could not create uxsock: 98
  Apr 21 22:23:37 dhcp-10-227-28-83 multipathd[6156]: sda: using deprecated
  getuid callout
  Apr 21 22:23:37 dhcp-10-227-28-83 multipathd[6156]: process is already running
  Apr 21 22:23:37 dhcp-10-227-28-83 multipathd[6156]: path checkers start up
  Apr 21 22:25:07 dhcp-10-227-28-83 systemd[1]: multipathd.service: Start
  operation timed out. Terminating.
  Apr 21 22:25:07 dhcp-10-227-28-83 multipathd[6156]: --------shut down-------
  Apr 21 22:25:07 dhcp-10-227-28-83 systemd[1]: Failed to start Device-Mapper
  Multipath Device Controller.
  Apr 21 22:25:07 dhcp-10-227-28-83 systemd[1]: multipathd.service: Unit entered
  failed state.
  Apr 21 22:25:07 dhcp-10-227-28-83 systemd[1]: multipathd.service: Failed with
  result 'timeout'.
  Apr 21 22:37:54 dhcp-10-227-28-83 systemd[1]: Started Device-Mapper Multipath
  Device Controller.

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