[Bug 1534090] Re: 'call to get_tasks_recursive failed' errors from su

[ChristianEhrhardt]

I can use cgm to do some getrecursive calls without issue, like this:
cgm gettasksrecursive freezer

With that I think my quick debugging has reached its end, but lets
assign to the proper components now that we know.

** Package changed: shadow (Ubuntu) => cgmanager (Ubuntu)

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https://bugs.launchpad.net/bugs/1534090

Title:
  'call to get_tasks_recursive failed' errors from su

Status in cgmanager package in Ubuntu:
  Confirmed

Bug description:
  In Ubuntu 14.04 all of a sudden I'm seeing these two error messages coming up every time I use su -, whether in a script or interactive shell:
  call to remove-on-empty (freezer:0) failed: invalid request
  call to get_tasks_recursive failed: Invalid arguments received in reply

  Example and how to reproduce:

  root at localhost:~# su - test "echo hello"
  call to remove-on-empty (freezer:0) failed: invalid request
  -su: echo hello: No such file or directory
  call to get_tasks_recursive failed: Invalid arguments received in reply
  call to get_tasks_recursive failed: Invalid arguments received in reply
  root at localhost:~# su - test
  call to remove-on-empty (freezer:0) failed: invalid request
  test at localhost:~$ 

  
  This only seems to affect Ubuntu 14.04

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