** Merge proposal linked:
   
https://code.launchpad.net/~rafaeldtinoco/ubuntu/+source/pacemaker/+git/pacemaker/+merge/379595

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You received this bug notification because you are a member of Ubuntu
High Availability Team, which is subscribed to corosync in Ubuntu.
https://bugs.launchpad.net/bugs/1828228

Title:
  corosync fails to start in unprivileged containers - autopkgtest
  failure

Status in Auto Package Testing:
  Invalid
Status in corosync package in Ubuntu:
  Fix Released
Status in pacemaker package in Ubuntu:
  Fix Released
Status in pcs package in Ubuntu:
  In Progress

Bug description:
  Currently pacemaker v2 fails to start in armhf containers (and by
  extension corosync too).

  I found that it is reproducible locally, and that I had to bump a few
  limits to get it going.

  Specifically I did:

  1) bump memlock limits
  2) bump rmem_max limits

  = 1) Bump memlock limits =

  I have no idea, which one of these finally worked, and/or is
  sufficient. A bit of a whack-a-mole.

  cat >>/etc/security/limits.conf <<EOF
  * soft memlock unlimited
  * hard memlock unlimited
  EOF

  lxc config set nice-mako limits.kernel.memlock 33554432

  mkdir -p /etc/systemd/system/snap.lxd.daemon.service.d/
  cat >/etc/systemd/system/snap.lxd.daemon.service.d/override.conf <<EOF
  [Service]
  LimitMEMLOCK=6553600000
  EOF
  systemctl daemon-reload
  systemctl restart snap.lxd.daemon.service

  
  = 2) Bump rmem_max values =

  Observed:
  # strace -s99999 -f /usr/sbin/corosync 2>&1 | grep sockop
  [pid   447] setsockopt(12, SOL_SOCKET, SO_RCVBUF, [8388608], 4) = 0
  [pid   447] getsockopt(12, SOL_SOCKET, SO_RCVBUF, [425984], [4]) = 0
  [pid   447] setsockopt(12, SOL_SOCKET, SO_RCVBUFFORCE, [8388608], 4) = -1 
EPERM (Operation not permitted)

  Bumped mem_max using:
  sudo sysctl -w net.core.wmem_max=8388608
  sudo sysctl -w net.core.rmem_max=8388608

  (Not sure if the desired sized depends on the machine/container I am
  running on)

  
  Can we check the values for above things on our armhf containers and/or bump 
them? or like can we mark pacemaker v2.0 autopkgtest as ignored on armhf?

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