Thank you very much for your replies.
No 'rhgb' is the workaround in my case. I added my comment to the bug report you mentioned Fabio.

Any idea who is handling this, current status and how/when/why this will be solved ?

BR, Alain


On Sun, Nov 4, 2018 at 1:05 AM Fabio Valentini <decathorpe@gmail.com> wrote:
On Sat, Nov 3, 2018 at 11:41 PM Alain Vigne <alain.vigne.14@gmail.com> wrote:
>
> Hi everyone
> TLDR; I had a working Wayland Gnome Desktop in f28. Not anymore with f29.
>
> Yesterday, I "dnf upgrade" my f28 to f29 ... to find a black screen when I want to login to my Gnome session :(
>
> The boot is OK till the gdm login screen, but when I enter my password, the screen turns black, and the keyboard is locked (non-responsive, Num Lock does not toggle, nor caps lock).
> Then I don't know how to recover control, as no key binding is effective, no mouse, no screen :(I power off the machine)
>
> I successfully launched the desktop using "startx" from my user account after booting with runlevel=3, so I think there is an issue with Wayland !
>
> > lspci|grep "VGA"
> 01:00.0 VGA compatible controller: NVIDIA Corporation GM206 [GeForce GTX 960] (rev a1)
> I used to install the nvidia drivers, after each kernel upgrade. I did that, as usual using:
> > ./NVIDIA-Linux-x86_64-410.73.run
>
> Where should I look to have more information about what's wrong with my system ?
> Which component should I report on BZ ?
> What additional info would be helpful for knowledgeable developers ?
>
> Thanks for your help
> Best regards
> --
> Alain V.

Hi Alain,

This seems to be a common issue with fedora 29 / NVIDIA drivers, I
reported it here:
https://bugzilla.redhat.com/show_bug.cgi?id=1643302

And there are some people on reddit who seem to be affected, too.

Have you tried dropping "rhgb" from the kernel command line (by
editing the GRUB boot entry)? (Possibly also change
nvidia-drm.modeset=1 to nvidia-drm.modeset=0 to disable wayland in
gdm.)
Most people seem to confirm that this serves as a workaround.

Fabio

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--
Alain V.