I can't set --enable-debug (command not found: I have just --enable-recovery in help command), but the other commands works properly. The output is:

francesco@linux-hldu:~> mpirun -mca plm_base_verbose 10 --debug-daemons --host Frank@158.110.39.110 hostname
[linux-hldu.site:02234] mca: base: components_register: registering plm components
[linux-hldu.site:02234] mca: base: components_register: found loaded component isolated
[linux-hldu.site:02234] mca: base: components_register: component isolated has no register or open function
[linux-hldu.site:02234] mca: base: components_register: found loaded component rsh
[linux-hldu.site:02234] mca: base: components_register: component rsh register function successful
[linux-hldu.site:02234] mca: base: components_register: found loaded component slurm
[linux-hldu.site:02234] mca: base: components_register: component slurm register function successful
[linux-hldu.site:02234] mca: base: components_open: opening plm components
[linux-hldu.site:02234] mca: base: components_open: found loaded component isolated
[linux-hldu.site:02234] mca: base: components_open: component isolated open function successful
[linux-hldu.site:02234] mca: base: components_open: found loaded component rsh
[linux-hldu.site:02234] mca: base: components_open: component rsh open function successful
[linux-hldu.site:02234] mca: base: components_open: found loaded component slurm
[linux-hldu.site:02234] mca: base: components_open: component slurm open function successful
[linux-hldu.site:02234] mca:base:select: Auto-selecting plm components
[linux-hldu.site:02234] mca:base:select:(  plm) Querying component [isolated]
[linux-hldu.site:02234] mca:base:select:(  plm) Query of component [isolated] set priority to 0
[linux-hldu.site:02234] mca:base:select:(  plm) Querying component [rsh]
[linux-hldu.site:02234] mca:base:select:(  plm) Query of component [rsh] set priority to 10
[linux-hldu.site:02234] mca:base:select:(  plm) Querying component [slurm]
[linux-hldu.site:02234] mca:base:select:(  plm) Skipping component [slurm]. Query failed to return a module
[linux-hldu.site:02234] mca:base:select:(  plm) Selected component [rsh]
[linux-hldu.site:02234] mca: base: close: component isolated closed
[linux-hldu.site:02234] mca: base: close: unloading component isolated
[linux-hldu.site:02234] mca: base: close: component slurm closed
[linux-hldu.site:02234] mca: base: close: unloading component slurm
Daemon was launched on linux-o5sl.site - beginning to initialize
[linux-o5sl.site:02271] mca: base: components_register: registering plm components
[linux-o5sl.site:02271] mca: base: components_register: found loaded component rsh
[linux-o5sl.site:02271] mca: base: components_register: component rsh register function successful
[linux-o5sl.site:02271] mca: base: components_open: opening plm components
[linux-o5sl.site:02271] mca: base: components_open: found loaded component rsh
[linux-o5sl.site:02271] mca: base: components_open: component rsh open function successful
[linux-o5sl.site:02271] mca:base:select: Auto-selecting plm components
[linux-o5sl.site:02271] mca:base:select:(  plm) Querying component [rsh]
[linux-o5sl.site:02271] mca:base:select:(  plm) Query of component [rsh] set priority to 10
[linux-o5sl.site:02271] mca:base:select:(  plm) Selected component [rsh]
Daemon [[33734,0],1] checking in as pid 2271 on host linux-o5sl
[linux-o5sl.site:02271] [[33734,0],1] orted: up and running - waiting for commands!
[linux-o5sl.site:02271] mca: base: close: component rsh closed
[linux-o5sl.site:02271] mca: base: close: unloading component rsh
[linux-hldu.site:02234] [[33734,0],0] orted_cmd: received exit cmd
[linux-hldu.site:02234] [[33734,0],0] orted_cmd: all routes and children gone - exiting
[linux-hldu.site:02234] mca: base: close: component rsh closed
[linux-hldu.site:02234] mca: base: close: unloading component rsh

Is orted in linux-05sl reciving any command?
Thank you for your cooperation

(I don't know if it matter, but I have the same problem using the first pc as remote and the second as local).

regards

Francesco