I've encountered a rasop trouble recently compiled -current pmax kernel.
The kernel does incorrect things characters around the left most column.
It's most likely a 'off-by-one' error.   I know you have no DECstation
in this moment, just a notice.

> Since I left '.ie' I haven't been in a position hardware-wise to test/fix
> much related to rcons. I barely put most of the rcons goo into shape for
> pmax in my last week there (I've committed a number of fixes to
> sys/arch/sparc/dev/fb.c and elsewhere, but they were handed to me by
> someone else). This one slipped through. Sorry folks.

Tohru Nishimura