Re: grabbing console (syscons) in kernel

2011/12/11 Andriy Gapon <avg_at_freebsd.org>

>
> There are a few cases when the kernel needs to interact with a user via
> syscons.
> This is the cases where the kernel not only spews some output but also
> expects
> some input.  Some examples are:
> - asking for a root filesystem specification
> - entering ddb
> - asking to press a key for reboot
>
> In this cases the kernel implicitly grabs the console for its own use.
> I'd like to make action more explicit.
>
> What do you think about the approach and implementation in the following
> patches?
> Thank you!
>
>
> https://gitorious.org/~avg/freebsd/avgbsd/commit/5248b49ebf84d98a0597fa5aa4d813a38f581acc
>
> https://gitorious.org/~avg/freebsd/avgbsd/commit/a0849c52242378474bb2eaa41726376fbc4c5bf6
>
> https://gitorious.org/~avg/freebsd/avgbsd/commit/a67515cbd720b16f03ba435ed182966a8a338b15
>
> https://gitorious.org/~avg/freebsd/avgbsd/commit/b8864b68b4c0e26ece065a38301c305833be32eb
>
> https://gitorious.org/~avg/freebsd/avgbsd/commit/1017ae425d8abecd7482bd6c6deaaf9f25f5c6cd
>
> P.S. one of the benefits is that a keyboard is put into and out of the
> polling
> mode before getting all the required input and after that; not around each
> character as it is done now in rather twisted way.
>

Does asking for geli password is such case too?
For example, I have mouse, which can disappear/reappear while laying still;
and when geli asks password, ums0 connect message can appear, which moves
line "Please enter geli password..." to top, and it can be missed;
This behavior somehow change?

>
> --
> Andriy Gapon
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>



-- 
Regards,
Alexander Yerenkow