try setting the bootable flag on the FAT partition, found with a slackware img this wasn't set and got similar symptoms

there doesn't seem to be much discussion of plan9 beyond this thread, and searching for "plan9 ntp" brought me here, so: to set the time on each boot from an ntp server add this line to $home/lib/profile before "exec rio": /bin/aux/timesync -n ntp.cis.strath.ac.uk other time servers are available. I...