i set the log file to be in my home directory so it gets created either way, and there isn't any extra info in there:
[07-Jul-2011 18:05.52] Autominer v0.3.2.6 by REIKOKU
[07-Jul-2011 18:05.52] If you like this script, please consider sending a tip:
[07-Jul-2011 18:05.52] 14PQSoPuouTorMmcYxf2iMr1h3awSTs4p
[07-Jul-2011 18:05.52] Or just turn on donate mode to donate 0.5% of your hashes (in common.lib, 'donateMode=1').
[07-Jul-2011 18:05.52] Checking for updated versions...
[07-Jul-2011 18:05.52] You are running the latest version of Autominer already.
[07-Jul-2011 18:05.53] GPU-load pool monitoring for card0 enabled.
[07-Jul-2011 18:05.53] Hashrate-based pool monitoring for card0 could not be enabled. XML-RPC is not working.
[07-Jul-2011 18:05.53] Firing up the miner on card card0 using pool 1!
[07-Jul-2011 18:05.53] Connecting to http://X@pit.deepbit.net:8332...
[07-Jul-2011 18:05.53] Rechecking status...
[07-Jul-2011 18:06.13] Firing up the miner on card card0 using pool 1!
[07-Jul-2011 18:06.13] Connecting to http://X@pit.deepbit.net:8332...
[07-Jul-2011 18:06.13] Rechecking status...
[07-Jul-2011 18:06.19] Killing PID: 0
[07-Jul-2011 18:06.19] Trying to kill 0 failed, invalid PID.
[07-Jul-2011 18:06.19] Killing PID: 30833
[07-Jul-2011 18:06.19] Trying to kill 30833: 0 (should be 0)
[07-Jul-2011 18:06.19] Killing PID: 30799
[07-Jul-2011 18:06.19] Trying to kill 30799: 0 (should be 0)
[07-Jul-2011 18:06.19]
[07-Jul-2011 18:06.19] Miner is stopped, thanks for using Autominer.