[X2Go-User] x2go glx issue in Ubuntu 22.04

[Ulrich Sibiller]

Maybe some of these mesa xlib vars might help, too:
https://docs.mesa3d.org/envvars.html#mesa-xlib-driver-environment-variables

Uli

Ulrich Sibiller <ulrich.sibiller at gmail.com> schrieb am Di., 27. Aug. 2024,
10:52:

> Then please try to run glxinfo -i (forcing indirect rendering).
>
> Uli
>
> h i <qpile117 at outlook.com> schrieb am Di., 27. Aug. 2024, 01:31:
>
>> Yes,
>>
>> Thank you for your response.
>>
>> I tried the following:
>>
>> export  LIBGL_ALWAYS_SOFTWARE=1
>> export  LIBGL_ALWAYS_INDIRECT=1
>>
>> However, still no success.
>>
>> glxgears
>> Error: couldn't get an RGB, Double-buffered visual
>>
>> glxinfo
>> name of display: :50
>> Error: couldn't find RGB GLX visual or fbconfig
>>
>>
>> h.
>> ------------------------------
>> *From:* Ulrich Sibiller <ulrich.sibiller at gmail.com>
>> *Sent:* Saturday, August 24, 2024 8:41 PM
>> *To:* h i <qpile117 at outlook.com>
>> *Cc:* x2go-user at lists.x2go.org <x2go-user at lists.x2go.org>
>> *Subject:* Re: [X2Go-User] x2go glx issue in Ubuntu 22.04
>>
>>
>> Have you tried settting mesa environment variables like
>> LIBGL_ALWAYS_SOFTWARE and LIBGL_ALWAYS_INDIRECT? (Please google the exact
>> names, cannot check myself right now.)
>>
>> Uli
>>
>> h i <qpile117 at outlook.com> schrieb am Sa., 24. Aug. 2024, 22:55:
>>
>> Hello,
>>
>> Worked with x2go and Ubuntu 20.04 with no issues with glx. Commands such
>> as glxinfo glxgears worked.
>>
>> Using a Dell Poweredege Server, we have installed 22.04 and now commans
>> like glxinfo, glxgears do not work connecting remotely to the server using
>> x2goclient
>>
>> glxinfo
>> name of display: :50
>> Error: couldn't find RGB GLX visual or fbconfig
>>
>> glxgears
>> Error: couldn't get an RGB, Double-buffered visual
>>
>> Mesa 22.0 and higher seems to be the issue.
>>
>> Reading online, Ubuntu 22.04 no longer supports 'classic drivers' any
>> longer. However, there is a 'mesa-amber' that could potentially resolve
>> this?
>>
>> Has anyone had any success using mesa-amber and getting commands like
>> glxinfo, glxgears to work in Ubuntu 22.04? I tried the suggested
>> downgrading to Mesa 21 and that just opened up another can worms with
>> dependency issues.
>>
>> Any help would greatly be appreciated.
>>
>> Thanks,
>> h.
>> _______________________________________________
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>> x2go-user at lists.x2go.org
>> https://lists.x2go.org/listinfo/x2go-user
>>
>>
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