On Wed, Aug 11, 2010 at 08:58:13PM -0500, Chris Brannon wrote: > Just for a lark, would you mind running the command > fuser /dev/ttyS0 > on that system? I did just that from a root console and got no answers back; also $? yielded a value of 1. > Also, just out of curiosity, what daemons are you starting at boot? DAEMONS=(pwrstatd alsa syslog-ng network netfs crond atd ntpd hal fam postgresql sshd speechd) > Do any of those open the serial port? I don't think so. I don't know about things like HAL but would doubt it. I thought about speechd but the closest thing there would be the generic module but that applies to Cepstral so no serial there.