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List: kde-community
Subject: Re: Status of Wayland implementation on nVidia graphics cards
From: Roman Gilg <subdiff () gmail ! com>
Date: 2017-09-29 18:44:21
Message-ID: CAJcyoysatzjzn5oUSr6r_isPhS=fwnLRgJMk+ooDLfRpGU=6-g () mail ! gmail ! com
[Download RAW message or body]
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@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 76=
0]
> 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 othe=
r
> 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 Fl=C3=B6ser 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 an=
d
>> 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/
>>
>
[Attachment #3 (text/html)]
<div dir="ltr"><font face="arial, helvetica, sans-serif">Hi \
Christian,</font><div><font face="arial, helvetica, \
sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">you find \
a log in "~/<span \
style="color:rgb(0,0,0)">.local/share/sddm/wayland-session.log".</span></font></div><div><font \
face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, \
helvetica, sans-serif">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 \
"~/<span style="color:rgb(0,0,0)">.local/share/sddm/xorg-session.log").</span></font></div><div><span \
style="color:rgb(0,0,0)"><font face="arial, helvetica, \
sans-serif"><br></font></span></div><div><font color="#000000" face="arial, \
helvetica, sans-serif">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.</font></div><div><font color="#000000" face="arial, helvetica, \
sans-serif"><br></font></div><div><font color="#000000" face="arial, helvetica, \
sans-serif">When this helps, please let us know. When this doesn't help feel free \
to ask again in a reply (with the log attached).</font></div><div><font \
color="#000000" face="arial, helvetica, sans-serif"><br></font></div><div><font \
color="#000000" face="arial, helvetica, sans-serif">Cheers,</font></div><div><font \
color="#000000" face="arial, helvetica, sans-serif">Roman</font></div><span \
style="font-family:monospace"><br></span></div><div class="gmail_extra"><br><div \
class="gmail_quote">On Thu, Sep 21, 2017 at 11:45 PM, Christian Ohrfandl <span \
dir="ltr"><<a href="mailto:christian.ohrfandl@gmail.com" \
target="_blank">christian.ohrfandl@gmail.com</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex">Hello Martin,<br> <br>
thank you for the link and the quick reply!<br>
<br>
I definitely use Nouveau:<br>
<br>
lspci -k | grep -EA3 'VGA|3D|Display'<br>
<br>
01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 760] (rev \
a1)<br>
Subsystem: Micro-Star International Co., Ltd. [MSI] GK104 [GeForce GTX 760]<br>
Kernel driver in use: nouveau<br>
Kernel modules: nvidiafb, nouveau<br>
<br>
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...<br> <br>
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?<br> <br>
<br>
Cheers,<br>
Christian<div class="HOEnZb"><div class="h5"><br>
<br>
<br>
On 9/21/17 5:20 PM, Martin Flöser wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"> Am 2017-09-20 20:22, schrieb Christian Ohrfandl:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"> Dear KDE community,<br>
<br>
I just installed KDE Neon Git unstable from September 19th 2017 on may<br>
main computer. I want to use Wayland (because of testing and<br>
submitting potential bug reports), but I can't (after user login,<br>
screen is black with a big cursor, but I can not interact with the<br>
session; most probably because of my nVidia Geforce 760 graphics<br>
card).<br>
<br>
Therfore, I want to ask how mature Wayland/nVidia implementation is?<br>
Does it work in general? If so, which driver (nouveau or proprietary)?<br>
Is there a (bug)tracker?<br>
</blockquote>
<br>
NVIDIA has an own implementation (EGLStreams) which we do not support and do not plan \
to support (more information in my blog at [1]).<br> <br>
Nouveau should work, though I haven't tested it yet.<br>
<br>
Cheers,<br>
Martin<br>
<br>
[1] <a href="https://blog.martin-graesslin.com/blog/2016/09/to-eglstream-or-not/" \
rel="noreferrer" target="_blank">https://blog.martin-graesslin.<wbr>com/blog/2016/09/to-eglstream-<wbr>or-not/</a><br>
</blockquote>
</div></div></blockquote></div><br></div>
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