More information: I used the "watch" command to, well, watch my ~/Private directory, along with tailing the syslog, and it unmounted when a cron job ran. Here are the syslog entries:
Sep 22 18:00:01 foo CRON[32362]: Mount of private directory return code [256]
Sep 22 18:00:01 foo /USR/SBIN/CRON[32369]: (myusername) CMD (getmail --quiet)
Sep 22 18:00:05 foo CRON[32362]: Mount of private directory return code [0]
More information: I used the "watch" command to, well, watch my ~/Private directory, along with tailing the syslog, and it unmounted when a cron job ran. Here are the syslog entries:
Sep 22 18:00:01 foo CRON[32362]: Mount of private directory return code [256] CRON[32369] : (myusername) CMD (getmail --quiet)
Sep 22 18:00:01 foo /USR/SBIN/
Sep 22 18:00:05 foo CRON[32362]: Mount of private directory return code [0]