Since you asked for com1, enable tty01 instead in /etc/ttys.
> On Mar 22, 2026, at 4:46 PM, Brian Brombacher <[email protected]> wrote: > > You can spawn a login prompt on com0 through /etc/ttys and avoid changing > boot.conf. Enable tty00 in /etc/ttys. > > That’s the best dual support you’ll get. > >> On Mar 22, 2026, at 3:48 PM, Stuart Henderson <[email protected]> >> wrote: >> >> On 2026-03-22, Andrew Daugherity <[email protected]> wrote: >>>> I use >>>> >>>> ~ $ cat /etc/boot.conf >>>> stty com0 115200 >>>> set tty com0 >>>> ~ $ >>> >>> You can configure a serial console in boot.conf, and switch back to >>> the default local console by holding the Ctrl during bootup to skip >>> loading the conf file (on i386 & amd64 at least, not sure about other >>> arches). From boot(8): >>> >>> boot.conf processing can be skipped, and the automatic boot >>> cancelled, by holding down either Control key as boot starts. >> >> You've got to be very lucky with timing on some machines. >> >> >> -- >> Please keep replies on the mailing list. >>

