1) top: 
Always displays '0' for availbale memory. syspage.h says:
 /* 'ramsize' is deprecated - use the 'asinfo' section */

2) who:
Always shows 5 users logged in, looks like utmp not being updated on user logout?

3) pidin net: 
Shows boot time in future when system clock isn't set to UTC. (syspage.h says it boot_time is "UTC seconds when machine 
booted")