mountroot prompt regresion

[Edward Tomasz Napierała]

Dnia 22.08.2016 o godz. 16:17 <rank1seeker at gmail.com> <rank1seeker at gmail.com> napisał(a):

> Now at 10.3 REL i386, UFS only, but I'm pretty sure it also occurs in earlier releases too.
> When "something" happens which makes you reach mountroot prompt, upon typing, nothing is visible until you press shift.
> Then you see all you typed, up to that point.
> Also, you need to press shift in order to see output too.
> This is anoying as it leads to reboots as empty line trigers it and as you don't see the output you would do it.
> I.e; '?' symbol to list providers, then enter to see list wouldn't display it unless shift was pressed.
> Those who see nothing would normally press enter again and triger a reboot.
> This is very anoying.

Sounds like a known vt(4) bug.  Can you verify that it works correctly with syscons?