[Bug 208239] Root mount prompt input problem.

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Mar 23 13:18:42 UTC 2016


Jean-Sébastien Pédron <dumbbell at FreeBSD.org> changed:

           What    |Removed                     |Added
           Keywords|                            |vt
                 CC|                            |dumbbell at FreeBSD.org

--- Comment #2 from Jean-Sébastien Pédron <dumbbell at FreeBSD.org> ---
I confirm this is a known issue with vt(4): it uses a callout to refresh the
screen, but for reasons unknown to me, the callout is not called anymore on
mountroot prompt. I tried to debug this but failed. Since then, I didn't have
time to work on this again.

So maybe callouts are disabled in this situation. If there is a way to detect
that, then vt(4) can go back to a "synchronous mode" where it refreshes the
screen after each typed character, like it does when ddb is active.

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