Comment 19 for bug 1740892

On Trusty + corosync=2.3.3-1ubuntu1:

- Stopping corosync while pacemaker is still running:

Jan 9 09:26:55 trusty-corosync corosync[5492]: [MAIN ] Node was shut down by a signal
Jan 9 09:26:55 trusty-corosync corosync[5492]: [SERV ] Unloading all Corosync service engines.
Jan 9 09:26:55 trusty-corosync corosync[5492]: [QB ] withdrawing server sockets
Jan 9 09:26:55 trusty-corosync corosync[5492]: [SERV ] Service engine unloaded: corosync vote quorum service v1.0
Jan 9 09:26:55 trusty-corosync corosync[5492]: [QB ] withdrawing server sockets
Jan 9 09:26:55 trusty-corosync corosync[5492]: [SERV ] Service engine unloaded: corosync configuration map access
Jan 9 09:26:55 trusty-corosync pacemakerd[5514]: error: cfg_connection_destroy: Connection destroyed
Jan 9 09:26:55 trusty-corosync pacemakerd[5514]: notice: pcmk_shutdown_worker: Shuting down Pacemaker
Jan 9 09:26:55 trusty-corosync pacemakerd[5514]: notice: stop_child: Stopping crmd: Sent -15 to process 5519
Jan 9 09:26:55 trusty-corosync corosync[5492]: [QB ] withdrawing server sockets
Jan 9 09:26:55 trusty-corosync crmd[5519]: notice: crm_shutdown: Requesting shutdown, upper limit is 1200000ms
Jan 9 09:26:55 trusty-corosync crmd[5519]: notice: do_state_transition: State transition S_IDLE -> S_POLICY_ENGINE [ input=I_SHUTDOWN cause=C_SHUTDOWN origin=crm_shutdown ]
Jan 9 09:26:55 trusty-corosync crmd[5519]: error: pcmk_cpg_dispatch: Connection to the CPG API failed: Library error (2)
Jan 9 09:26:55 trusty-corosync crmd[5519]: error: crmd_cs_destroy: connection terminated
Jan 9 09:26:55 trusty-corosync crmd[5519]: notice: crmd_exit: Forcing immediate exit: Link has been severed (67)
Jan 9 09:26:55 trusty-corosync corosync[5492]: [SERV ] Service engine unloaded: corosync configuration service
Jan 9 09:26:55 trusty-corosync attrd[5518]: error: pcmk_cpg_dispatch: Connection to the CPG API failed: Library error (2)
Jan 9 09:26:55 trusty-corosync attrd[5518]: crit: attrd_cs_destroy: Lost connection to Corosync service!
Jan 9 09:26:55 trusty-corosync attrd[5518]: notice: main: Exiting...
Jan 9 09:26:55 trusty-corosync attrd[5518]: error: attrd_cib_connection_destroy: Connection to the CIB terminated...
Jan 9 09:26:55 trusty-corosync pacemakerd[5514]: error: pcmk_cpg_dispatch: Connection to the CPG API failed: Library error (2)
Jan 9 09:26:55 trusty-corosync pacemakerd[5514]: error: mcp_cpg_destroy: Connection destroyed
Jan 9 09:26:55 trusty-corosync stonith-ng[5517]: error: pcmk_cpg_dispatch: Connection to the CPG API failed: Library error (2)
...

Regarding my previous comment (#13), I meant to say that stopping corosync or upgrading it showed the same output (I used "error" instead of "output", my bad).