> Having just had the opportunity to try out 1.4M on two IPC's (both with
> cgthrees), I can say that I notice this too.  Only I don't get the cgthree
> line and a panic - it just repeats 'press b to boot, c to continue ..'
> endlessly.  I'll try an older version on one (it might be later this week

This is symptomatic of booting the machine in `old monitor compatibility'
mode.  At your `ok' prompt, type `setenv sunmon-compat? false'.

See also the installation notes..

-pk