poller.php timing out when run by cron

[Bikeman]

Hello,

I'm trying to get Cacti up and running on my Debian Sarge-box. After a while I got the interface up and running, and most graphs were plotted correctly, except for the network-interface statistics. After having read this this was fixed, eventually ...

... if I run the poller manually, that is ... Logging in as the user I use in crontab and execute exactly the same command as cron does, executes nicely. If I wait for cron to do so, it times out (after 60 seconds; changed that value - normal execution time is around 4 seconds) ...

These are the log entries when I run poller.php manually:

09/14/2005 11:36:51 AM - SYSTEM STATS: Time: 4.1403 s, Method: cmd.php, Processes: 1, Threads: N/A, Hosts: 2, Hosts/Process: 2
09/14/2005 11:36:51 AM - POLLER: Poller[0] CACTI2RRD: /usr/bin/rrdtool update /usr/share/cacti/site/rra/boudewijn_internal_server_traffic_in_16.rrd --template traffic_out:traffic_in 1126690607:50311954:369624532
09/14/2005 11:36:50 AM - CMDPHP: Poller[0] Time: 2.3486 s, Theads: N/A, Hosts: 1
09/14/2005 11:36:50 AM - PHPSVR: Poller[0] DEBUG: PHP Script Server Shutdown request received, exiting
09/14/2005 11:36:50 AM - CMDPHP: Poller[0] Host[2] SNMP: v2: 127.0.0.1, dsname: traffic_out, oid: .1.3.6.1.2.1.2.2.1.16.2, output: 50311954
09/14/2005 11:36:50 AM - CMDPHP: Poller[0] Host[2] SNMP: v2: 127.0.0.1, dsname: traffic_in, oid: .1.3.6.1.2.1.2.2.1.10.2, output: 369624532
09/14/2005 11:36:49 AM - CMDPHP: Poller[0] Host[2] RECACHE: Processing 1 items in the auto reindex cache for '127.0.0.1'.
09/14/2005 11:36:49 AM - CMDPHP: Poller[0] Host[2] SNMP: Host responded to SNMP
09/14/2005 11:36:49 AM - CMDPHP: Poller[0] PHP Script Server Started Properly
09/14/2005 11:36:49 AM - PHPSVR: Poller[0] PHP Script Server has Started - Parent is cmd
09/14/2005 11:36:49 AM - PHPSVR: Poller[0] DEBUG: FILENM: /usr/share/cacti/site/script_server.php
09/14/2005 11:36:49 AM - PHPSVR: Poller[0] DEBUG: DIRNAM: /usr/share/cacti/site
09/14/2005 11:36:49 AM - PHPSVR: Poller[0] DEBUG: GETCWD: /home/cactiuser
09/14/2005 11:36:49 AM - PHPSVR: Poller[0] DEBUG: SERVER: cmd
09/14/2005 11:36:46 AM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/bin/php4, ARGS: -q /usr/share/cacti/site/cmd.php 0 2]

When it runs automatically, it looks like this:

09/14/2005 11:41:04 AM - POLLER: Poller[0] Maximum runtime of 60 seconds exceeded. Exiting.
09/14/2005 11:40:10 AM - POLLER: Poller[0] CACTI2RRD: /usr/bin/rrdtool update /usr/share/cacti/site/rra/boudewijn_internal_server_traffic_in_16.rrd --template traffic_in:traffic_out 1126690805:369670164:50591230
09/14/2005 11:40:10 AM - CMDPHP: Poller[0] Time: 4.6574 s, Theads: N/A, Hosts: 1
09/14/2005 11:40:10 AM - PHPSVR: Poller[0] DEBUG: PHP Script Server Shutdown request received, exiting
09/14/2005 11:40:10 AM - CMDPHP: Poller[0] Host[2] SNMP: v2: 127.0.0.1, dsname: traffic_out, oid: .1.3.6.1.2.1.2.2.1.16.2, output: 50591230
09/14/2005 11:40:09 AM - CMDPHP: Poller[0] Host[2] SNMP: v2: 127.0.0.1, dsname: traffic_in, oid: .1.3.6.1.2.1.2.2.1.10.2, output: 369670164
09/14/2005 11:40:08 AM - CMDPHP: Poller[0] Host[2] RECACHE: Processing 1 items in the auto reindex cache for '127.0.0.1'.
09/14/2005 11:40:08 AM - CMDPHP: Poller[0] Host[2] SNMP: Host responded to SNMP
09/14/2005 11:40:07 AM - CMDPHP: Poller[0] PHP Script Server Started Properly
09/14/2005 11:40:07 AM - PHPSVR: Poller[0] PHP Script Server has Started - Parent is cmd
09/14/2005 11:40:07 AM - PHPSVR: Poller[0] DEBUG: FILENM: /usr/share/cacti/site/script_server.php
09/14/2005 11:40:07 AM - PHPSVR: Poller[0] DEBUG: DIRNAM: /usr/share/cacti/site
09/14/2005 11:40:07 AM - PHPSVR: Poller[0] DEBUG: GETCWD: /home/cactiuser
09/14/2005 11:40:07 AM - PHPSVR: Poller[0] DEBUG: SERVER: cmd
09/14/2005 11:40:03 AM - POLLER: Poller[0] DEBUG: About to Spawn a Remote Process [CMD: /usr/bin/php4, ARGS: -q /usr/share/cacti/site/cmd.php 0 2]

Note that I execute the command logged on as the same user as cron is using ...

It might also be a clue that I'm only using linux since about a month, so there might be some things I'm overlooking here ...

Thanks in advance for any help!

Bikeman