kstailey@leidecker$ sup -v supfile.netbsd 
SUP 8.26 (4.3 BSD) for file supfile.netbsd at Apr  3 09:48:29
SUP Upgrade of current-allsrc at Mon Apr  3 09:48:29 1995
SUP Fileserver 7.13 (4.3 BSD) 18701 on sun-lamp.cs.berkeley.edu at 09:48:29
SUP Requesting changes since Mar 29 06:24:26 1995
...
SUP: File server unable to transfer file src/sys/arch/pmax/pmax/cpu_exec.c
...
SUP: Upgrade of current-allsrc completed with errors at Apr  3 09:50:06 1995
SUP: Upgrade time will not be updated

Please check the existance and permissions of src/sys/arch/pmax/pmax/cpu_exec.c

Where is the right place to report errors like this?