[X2Go-User] x2go error after updating from Ubuntu 16.04 to 20.04

[Dr. Tobias Holzmann]

Dear Uli,

thank you for your fast reply. Indeed, by using --mesa it works but 
previously it worked simply without the --mesa attribute.

I will check the graphic-card driver as blender etc. does not work 
either but only using x2go.

If I am using the server locally everything works quite fine.

Tobi

On 09.09.21 12:52, Ulrich Sibiller wrote:
> On Thu, Sep 9, 2021 at 11:55 AM Dr. Tobias Holzmann
> <Tobias.Holzmann at holzmann-cfd.de> wrote:
>> Dear everybody,
>>
>> yesterday I updated a server which is used by my team using x2go.
>>
>> The Linux update (Ubuntu 16.04 to 20.04) went well and everything is up
>> and running. x2go works fine too but opening e.g., graphic user
>> interface programs such as blender, paraview, or salome/freecad.
>>
>> The error for e.g., paraview, is:
>>
>> qt.qpa.xcb: X server does not support  XInput 2.
> Which is true - xagoagent/nxagent still does not support XInput2. It
> is on the software you use if it can deal with Xinput1 or not.
>
> But from my experience these messages are informational, not show-stoppers.
>
> IIRC paraview is a 3d application so these issues might be related to
> you graphics drivers, too.
>
> In https://discourse.paraview.org/t/running-paraview-in-virtual-machine/2624
> and https://wiki.classe.cornell.edu/Computing/ParaView I found
> paraview-mesa being mentioned, does it work with this wrapper? Or
> maybe with paraview --mesa-llvm?
>
> Uli
>
>
>
>> And a lot of other error messages. However, locally everything works
>> quite well and hence, it should be related to x2go.
>>
>> Probably a lot of info is missing to get into the problem.
>> In any case, I will provide any information one needs.
>>
>> Thanks in advance for any support/hint.
>>
>> --
>> Glück Auf | Kind Regard
>> Tobi
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