Hi,

Running the following command results in a crash and the attached output 
(parellel_output.txt). Running the command without --filter-hosts works, 
although hangs a bit in the end because of some lagging server (impossible to 
detect which one).

$ parallel --filter-hosts --controlmaster -j 128 --nonall --tag --slf servers 
'ps aux | grep [o]psworks | wc -l’

The file with hosts (servers) is attached.

Cheers,
Adam
Enter passphrase for key '/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': Enter passphrase for key 
'/Users/alind/.ssh/id_rsa': parallel: Warning: Could not figure out number of 
cpus on stephano. Using 1.
parallel: Warning: Could not figure out number of cpus on sirius. Using 1.
parallel: Warning: Could not figure out number of cpus on despina. Using 1.
parallel: Warning: Could not figure out number of cpus on janus. Using 1.
parallel: Warning: Could not figure out number of cpus on jupiter. Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-faults. 
Using 1.
parallel: Warning: Could not figure out number of cpus on calypso. Using 1.
parallel: Warning: Could not figure out number of cpus on phobos. Using 1.
parallel: Warning: Could not figure out number of cpus on jenkins-redis. Using 
1.
parallel: Warning: Could not figure out number of cpus on umbriel. Using 1.
parallel: Warning: Could not figure out number of cpus on dev. Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-master-faults. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-00a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-01a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-02c. 
Using 1.
parallel: Warning: Could not figure out number of cpus on nereid. Using 1.
parallel: Warning: Could not figure out number of cpus on load-balancer-2a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on ariel. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-user-01b. 
Using 1.
parallel: Warning: Could not figure out number of cpus on aldebaran. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-user-00c. 
Using 1.
parallel: Warning: Could not figure out number of cpus on rosalind. Using 1.
parallel: Warning: Could not figure out number of cpus on 
redis-master-tiles-01b. Using 1.
parallel: Warning: Could not figure out number of cpus on deneb. Using 1.
parallel: Warning: Could not figure out number of cpus on tmp-04. Using 1.
parallel: Warning: Could not figure out number of cpus on elara. Using 1.
parallel: Warning: Could not figure out number of cpus on 
mysql-master-user-00a. Using 1.
parallel: Warning: Could not figure out number of cpus on pan. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-deco-01a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on jenkins-slave-00. 
Using 1.
parallel: Warning: Could not figure out number of cpus on 
redis-master-user-00c. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-stats. 
Using 1.
parallel: Warning: Could not figure out number of cpus on stephano. Using 1.
parallel: Warning: Could not figure out number of cpus on sirius. Using 1.
parallel: Warning: Could not figure out number of cpus on despina. Using 1.
parallel: Warning: Could not figure out number of cpus on janus. Using 1.
parallel: Warning: Could not figure out number of cpus on jupiter. Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-faults. 
Using 1.
parallel: Warning: Could not figure out number of cpus on calypso. Using 1.
parallel: Warning: Could not figure out number of cpus on phobos. Using 1.
parallel: Warning: Could not figure out number of cpus on jenkins-redis. Using 
1.
parallel: Warning: Could not figure out number of cpus on umbriel. Using 1.
parallel: Warning: Could not figure out number of cpus on dev. Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-master-faults. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-00a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-01a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-02c. 
Using 1.
parallel: Warning: Could not figure out number of cpus on nereid. Using 1.
parallel: Warning: Could not figure out number of cpus on ariel. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-user-01b. 
Using 1.
parallel: Warning: Could not figure out number of cpus on aldebaran. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-user-00c. 
Using 1.
parallel: Warning: Could not figure out number of cpus on rosalind. Using 1.
parallel: Warning: Could not figure out number of cpus on 
redis-master-tiles-01b. Using 1.
parallel: Warning: Could not figure out number of cpus on deneb. Using 1.
parallel: Warning: Could not figure out number of cpus on tmp-04. Using 1.
parallel: Warning: Could not figure out number of cpus on elara. Using 1.
parallel: Warning: Could not figure out number of cpus on 
mysql-master-user-00a. Using 1.
parallel: Warning: Could not figure out number of cpus on pan. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-deco-01a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on 
redis-master-user-00c. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-stats. 
Using 1.
parallel: Warning: Could not figure out number of cpus on stephano. Using 1.
parallel: Warning: Could not figure out number of cpus on sirius. Using 1.
parallel: Warning: Could not figure out number of cpus on despina. Using 1.
parallel: Warning: Could not figure out number of cpus on janus. Using 1.
parallel: Warning: Could not figure out number of cpus on jupiter. Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-faults. 
Using 1.
parallel: Warning: Could not figure out number of cpus on calypso. Using 1.
parallel: Warning: Could not figure out number of cpus on phobos. Using 1.
parallel: Warning: Could not figure out number of cpus on jenkins-redis. Using 
1.
parallel: Warning: Could not figure out number of cpus on umbriel. Using 1.
parallel: Warning: Could not figure out number of cpus on dev. Using 1.


parallel: Warning: Could not figure out number of cpus on mysql-master-faults. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-00a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-01a. 
Using 1.
parallel: Warning: Could not figure out number of cpus on mysql-slave-user-02c. 
Using 1.
parallel: Warning: Could not figure out number of cpus on nereid. Using 1.
parallel: Warning: Could not figure out number of cpus on ariel. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-user-01b. 
Using 1.
parallel: Warning: Could not figure out number of cpus on aldebaran. Using 1.
parallel: Warning: Could not figure out number of cpus on redis-slave-user-00c. 
Using 1.


parallel: Warning: Could not figure out number of cpus on rosalind. Using 1.
parallel: Warning: Could not figure out number of cpus on 
redis-master-tiles-01b. Using 1.
parallel: Warning: Could not figure out number of cpus on deneb. Using 1.


parallel: Warning: Could not figure out number of cpus on tmp-04. Using 1.
parallel: Warning: Could not figure out number of cpus on elara. Using 1.
parallel: Warning: Could not figure out number of cpus on 
mysql-master-user-00a. Using 1.
parallel: Warning: Could not figure out number of cpus on pan. Using 1.


parallel: Warning: Could not figure out number of cpus on redis-slave-deco-01a. 
Using 1.






parallel: Warning: Could not figure out number of cpus on 
redis-master-user-00c. Using 1.


parallel: Warning: Could not figure out number of cpus on redis-slave-stats. 
Using 1.





parallel: This should not happen. You have found a bug.
Please contact <[email protected]> and include:
* The version number: 20130922
* The bugid: host check unmatched short jobline: job-runner-1

* The command line being run
* The files being read (put the files on a webserver if they are big)

If you get the error on smaller/fewer files, please include those instead.

Attachment: servers
Description: Binary data

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