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xorg opengl / intel integrated graphics problem

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  xorg opengl / intel integrated graphics problem tim@t8w.de - 2019-03-24 23:50 +0100
    Re: xorg opengl / intel integrated graphics problem deloptes <deloptes@gmail.com> - 2019-03-25 07:10 +0100
    Re: xorg opengl / intel integrated graphics problem tim@t8w.de - 2019-03-25 22:00 +0100

#206557 — xorg opengl / intel integrated graphics problem

Hey,

due to a graphics card change in a few days, which will allow me to properly use
virtualization, I wanted to check a few things. First check, starting the pc without
the current dedicated graphics card, failed really unexpectedly, because the
integrated graphics card of my intel processor was not able to load my desktop
environment. I did not use this integrated card since I assembled my pc, got
everything running and installed a dedicated graphics card - maybe the Nvidia
drivers broke something in the meanwhile.

Anyway, trying to fix this, I've found no used drivers for the card and a opengl
error message in xorg.

lspci output and xorg logs: https://t8w.de/log.txt
(my private server, plain text, no logging, tracking nor anything else ;) )

Installing, uninstalling, reinstalling several driver / mesa related packages
did not help and neither did the handful of threads about the same or similar issues,
so I'd really appreciate any help.

Thanks

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#206565

tim@t8w.de wrote:

> due to a graphics card change in a few days, which will allow me to
> properly use virtualization, I wanted to check a few things. First check,
> starting the pc without the current dedicated graphics card, failed really
> unexpectedly, because the integrated graphics card of my intel processor
> was not able to load my desktop environment. I did not use this integrated
> card since I assembled my pc, got everything running and installed a
> dedicated graphics card - maybe the Nvidia drivers broke something in the
> meanwhile.
> 

I had similar issue once - I had to remove the nvidia drivers - AFAIR they
come with own OpenGL stuff

> Anyway, trying to fix this, I've found no used drivers for the card and a
> opengl error message in xorg.
> 
> lspci output and xorg logs: https://t8w.de/log.txt
> (my private server, plain text, no logging, tracking nor anything else ;)
> )
> 
> Installing, uninstalling, reinstalling several driver / mesa related
> packages did not help and neither did the handful of threads about the
> same or similar issues, so I'd really appreciate any help.

put together you problems are summerized in following

[     4.905] (EE) open /dev/dri/card0: No such file or directory
[     4.905] (WW) Falling back to old probe method for modesetting
[     4.905] (EE) open /dev/dri/card0: No such file or directory
[     4.905] (II) Loading sub module "fbdevhw"
[     4.905] (II) LoadModule: "fbdevhw"
[     4.905] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[     4.906] (II) Module fbdevhw: vendor="X.Org Foundation"
[     4.906]    compiled for 1.19.2, module version = 0.0.2
[     4.906]    ABI class: X.Org Video Driver, version 23.0
[     4.906] (**) FBDEV(1): claimed PCI slot 0@0:2:0
[     4.906] (II) FBDEV(1): using default device
[     4.906] (WW) Falling back to old probe method for vesa
[     4.906] (EE) Screen 0 deleted because of no matching config section.

[     4.910] (II) AIGLX: Screen 0 is not DRI2 capable
[     4.910] (EE) AIGLX: reverting to software rendering
[     4.935] (EE) AIGLX error: dlopen
of /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so failed
(/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so: undefined symbol:
_glapi_tls_Dispatch)
[     4.935] (EE) GLX: could not load software renderer
[     4.935] (II) GLX: no usable GL providers found for screen 0

First of all if you have a xorg.conf file - need to remove it (put aside)
dri.so is perhaps from the Nvidia - need to fix it - this is the AIGLX
(OpenGL) or Mesa that comes with NVidia.

I am writing from memory as I do not use NVidia or AMD cards anymore.

regards

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#206590

So, apparently
apt remove --purge nvidia*
is not enough to clean the opengl mess nvidias drivers left. Manually removing
the files nvidia replaced and reinstalling xorg and mesa as described in
this answer did:
https://unix.stackexchange.com/a/339652

Thanks for your help

24. März 2019 23:34, tim@t8w.de schrieb:

> Hey,
> 
> due to a graphics card change in a few days, which will allow me to properly use
> virtualization, I wanted to check a few things. First check, starting the pc without
> the current dedicated graphics card, failed really unexpectedly, because the
> integrated graphics card of my intel processor was not able to load my desktop
> environment. I did not use this integrated card since I assembled my pc, got
> everything running and installed a dedicated graphics card - maybe the Nvidia
> drivers broke something in the meanwhile.
> 
> Anyway, trying to fix this, I've found no used drivers for the card and a opengl
> error message in xorg.
> 
> lspci output and xorg logs: https://t8w.de/log.txt
> (my private server, plain text, no logging, tracking nor anything else ;) )
> 
> Installing, uninstalling, reinstalling several driver / mesa related packages
> did not help and neither did the handful of threads about the same or similar issues,
> so I'd really appreciate any help.
> 
> Thanks

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