Status of Wayland implementation on nVidia graphics cards

[Roman Gilg]

Hi Christian,

you find a log in "~/.local/share/sddm/wayland-session.log".

After your session doesn't react anymore reboot and log into X session,
where you can read the log out then (in X session it will log to "~/
.local/share/sddm/xorg-session.log").

Before asking again for help you may find a solution already by looking at
the log yourself. I suspect an update of kernel or mesa might already help
you. Also make sure you're using the HWE stack of Ubuntu 16.04 with updated
X.Org.

When this helps, please let us know. When this doesn't help feel free to
ask again in a reply (with the log attached).

Cheers,
Roman


On Thu, Sep 21, 2017 at 11:45 PM, Christian Ohrfandl <
christian.ohrfandl at gmail.com> wrote:

> Hello Martin,
>
> thank you for the link and the quick reply!
>
> I definitely use Nouveau:
>
> lspci -k | grep -EA3 'VGA|3D|Display'
>
> 01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX
> 760] (rev a1)
> Subsystem: Micro-Star International Co., Ltd. [MSI] GK104 [GeForce GTX 760]
> Kernel driver in use: nouveau
> Kernel modules: nvidiafb, nouveau
>
> When choosing the wayland session and logging in, only black background
> (on the other monitor the chosen wallpaper and some desktop icons) and a
> bigger cursor loads (c.f. attached picture); no interaction with system
> possible (tried this several times; sometimes the background one the other
> monitor does not even load). I have made a video I could share with you, if
> you want to...
>
> Are there any logs I may view in order to resolve the issue after turning
> the PC off and on again? Shall I file a bug report?
>
>
> Cheers,
> Christian
>
>
>
> On 9/21/17 5:20 PM, Martin Flöser wrote:
>
>> Am 2017-09-20 20:22, schrieb Christian Ohrfandl:
>>
>>> Dear KDE community,
>>>
>>> I just installed KDE Neon Git unstable from September 19th 2017 on may
>>> main computer. I want to use Wayland (because of testing and
>>> submitting potential bug reports), but I can't (after user login,
>>> screen is black with a big cursor, but I can not interact with the
>>> session; most probably because of my nVidia Geforce 760 graphics
>>> card).
>>>
>>> Therfore, I want to ask how mature Wayland/nVidia implementation is?
>>> Does it work in general? If so, which driver (nouveau or proprietary)?
>>> Is there a (bug)tracker?
>>>
>>
>> NVIDIA has an own implementation (EGLStreams) which we do not support and
>> do not plan to support (more information in my blog at [1]).
>>
>> Nouveau should work, though I haven't tested it yet.
>>
>> Cheers,
>> Martin
>>
>> [1] https://blog.martin-graesslin.com/blog/2016/09/to-eglstream-or-not/
>>
>
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