nvidia-driver and vt - blank console on FreeBSD 11

[Hartmann, O.]

On Thu, 24 Nov 2016 13:51:17 +0100 (CET)
Stefan Wendler <stefan.wendler at tngtech.com> wrote:

> ----- Original Message -----
> > From: "O. Hartmann" <o.hartmann at walstatt.org>
> > To: "Stefan Wendler" <stefan.wendler at tngtech.com>
> > Cc: "freebsd-x11 at freebsd.org" <freebsd-x11 at FreeBSD.org>
> > Sent: Wednesday, November 23, 2016 7:37:45 AM
> > Subject: Re: nvidia-driver and vt - blank console on FreeBSD 11  
> 
> > Am Mon, 21 Nov 2016 22:50:29 +0100
> > Stefan Wendler <stefan.wendler at tngtech.com> schrieb:
> >   
> >> Hi,
> >> 
> >> I am using the latest nvidia-driver-367.44_2 (modules nvidia.ko and
> >> nvidia-modeset.ko have to be loaded in order for X to work) and
> >> while X works great after I have started X and want to switch back
> >> to console. Alle ttys are just black. The Keyboard is still
> >> working and I can switch back to the X session or press Ctrl-C on
> >> the black tty and startx again.
> >> 
> >> My system is a UEFI install and at boot vt_efifb is used
> >> automatically no matter what I set kern.vty to.except for "sc" of
> >> course. With "sc" set, the system won't boot because with uefi
> >> 
> >> I have tried like everything I have found on the web (changing
> >> kern.vty, setting textmode to 1, etc). But I have also found that
> >> nvidia and vt have had some problems when FreeBSD 11 was still
> >> CURRENT and that this was fixed?
> >> 
> >> Is this an open bug again? Is there a way for me to set an
> >> option/add a patch or something to make ttys work again after I
> >> have started X?
> >> 
> >> Thx for your support,
> >> Stefan
> >> _______________________________________________
> >> freebsd-x11 at freebsd.org mailing list
> >> https://lists.freebsd.org/mailman/listinfo/freebsd-x11
> >> To unsubscribe, send any mail to
> >> "freebsd-x11-unsubscribe at freebsd.org"  
> > 
> > This phenomenon is well known since a couple of months for now. On
> > Quadro GPUs, the
> > console is black in our case and with consumer cards we have a
> > garbled/blocky console.
> > The Quadro based GPUs tend to refuse a reboot as long as the
> > nvidia-modeset.ko kernel
> > module is loaded: "shutdown -r now" remains in a kind of endless
> > loop.
> > 
> > Maybe nVidia has not been informed about this. I'm using 370.28
> > with UEFI/vt and nonUEFI/vt and it is still the same.
> > 
> > Regards,
> > O. Hartmann
> > 
> > --
> > O. Hartmann  
> 
> I went to the nividia-page to maybe write the support-team when I
> have seen this changelog(*) entry for the current version 375.20
> 
>  - Added support for FreeBSD 11.0-RELEASE
> 
> This version contains some other fixes that have to do with blank
> consoles(375.20) and vt stuff (375.10) as well. Even though they are
> not directly related to our problem. I will try this version tonight
> and report back. Hopefully this will fix the problems ...
> 
> (*)http://www.nvidia.com/Download/driverResults.aspx/111598/en-us
> 
> Cheers,
> Stefan

Hello all.

I tried this specific (most recent) version 375.20 and I got the error
reported in the PR mentioned below regarding a missing library
function. For shot - it doesn't work and it requires some sc_ prepended
funtions supposedly referring to sc() console.

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214769