We have a Sun Netra that someone booted with a monitor connected to the VGA output and the console went to screen. I'd like to switch that to serial without a reboot, I tried
eeprom output-device=ttya
eeprom input-device=ttya
which is accepted but not enough, I am afraid it's still on screen. Is there any mean to switch it at runtime without rebooting?
Unfortunately you can't switch the console after boot.