[Bug 1783881] [NEW] ltp-syscalls: msgstress03 fails because systemd limits number of processes

[Thadeu Lima de Souza Cascardo]

Public bug reported:

As systemd limits the number of processes, this test will fail because
it can't fork enough processes. That is limited to when the test is run
after logging as user 1000, then running sudo. I guess that logging as
root may not cause this to happen.

# ./testcases/bin/msgstress03 
Fork failed (may be OK if under stress)
Fork failed (may be OK if under stress)
msgstress03    1  TFAIL  :  msgstress03.c:157:  Fork failed (may be OK if under stress)
#

** Affects: linux (Ubuntu)
     Importance: Low
     Assignee: Canonical Kernel Team (canonical-kernel-team)
         Status: Incomplete

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Cosmic)
     Importance: Low
     Assignee: Canonical Kernel Team (canonical-kernel-team)
         Status: Incomplete

** Affects: systemd (Ubuntu Cosmic)
     Importance: Undecided
         Status: New

** Also affects: linux (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

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

** Also affects: systemd (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Cosmic)
     Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)

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https://bugs.launchpad.net/bugs/1783881

Title:
  ltp-syscalls: msgstress03 fails because systemd limits number of
  processes

Status in linux package in Ubuntu:
  Incomplete
Status in systemd package in Ubuntu:
  New
Status in linux source package in Cosmic:
  Incomplete
Status in systemd source package in Cosmic:
  New

Bug description:
  As systemd limits the number of processes, this test will fail because
  it can't fork enough processes. That is limited to when the test is
  run after logging as user 1000, then running sudo. I guess that
  logging as root may not cause this to happen.

  # ./testcases/bin/msgstress03 
  Fork failed (may be OK if under stress)
  Fork failed (may be OK if under stress)
  msgstress03    1  TFAIL  :  msgstress03.c:157:  Fork failed (may be OK if under stress)
  #

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