> # cd / ; tar xvzpf syssrc.tgz
> # cd /usr/src/usr.sbin/config ; make && make install
> # cd /sys/arch/macpcc/conf
> # cp GENERIC MYGENERIC
> # config MYGENERIC
> # cd ../compile/MYGENERIC
> # make depend
> # make
> # mv /netbsd /netbsd.old
> # cp netbsd /
> # reboot

Hmm, this is basically what I did on my iMac with 1.4.1 and that worked fine.
Maybe your syssrc.tgz got corrupted somehow?

> # Dec 12 03:15:02 jupiter sendmail[822]: NOQUEUE: SYSERR(root): hash map
> "Alias0": unsafe map file /etc/aliases: No such file or directory
> Dec 12 03:15:02 jupiter sendmail[831]: NOQUEUE: SYSERR(root): hash map
> "Alias0": unsafe map file /etc/aliases: No such file or directory
> Dec 12 03:17:47 jupiter sendmail[1903]: NOQUEUE: SYSERR(root): hash map
> "Alias0": unsafe map file /etc/aliases: No such file or directory

'su' to root (don't do this from single-user mode) and run 'newaliases'.

This really should be part of the final explanatory text in sysinst; every
1.4.x system I've installed in the last year has required this.

Todd Whitesel
toddpw @ best.com