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AndrewAmmerlaan
Developer
Joined: 25 Jun 2014
Posts: 266
Location: Nijmegen
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 Posted: Sun May 07, 2017 7:10 am Post subject: [SOLVED]libgl error: unable to load driver: r600_dri.so |
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So the other day I was reading up on wayland, and decided to give it a shot. I added the waylamd USE flag, and ran emerge -uDN @world. However after reboot the screen stayed black, trying to startx resulted in just a black screen and the following errors:
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libGL error : unable to load driver r600_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver
libGL error: unable to load driver swrast_dri.so
libGL error: failed to loaf driver swrast
Unrecognized opengl version
Unrecognized opengl version
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After installing weston aswell, and elogind (as I read that it was required to make sddm work with wayland). Weston-launch also failed with similar error messages, it also failed to load r600.
Giving up on trying to get wayland to work for the moment, I reverted all the changes I made. Yet the weird thing is that after rebuilding, x still fails to start with the same error message, how can this be? How is it that this driver pointer is still missing, and how do I get it back?
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OS: Gentoo 6.7.3-gentoo-dist, ~amd64, 17.1/desktop/plasma/systemd/merged-usr
MB: MSI Z370-A PRO
CPU: Intel Core i9-9900KS
GPU: Intel Arc A770 16GB & Intel UHD Graphics 630
SSD: Samsung 970 EVO Plus 2 TB
RAM: Crucial Ballistix 32GB DDR4-2400
Last edited by AndrewAmmerlaan on Wed May 10, 2017 3:49 pm; edited 2 times in total |
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eccerr0r
Watchman
Joined: 01 Jul 2004
Posts: 9679
Location: almost Mile High in the USA
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| Posted: Sun May 07, 2017 5:48 pm Post subject: |
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Just a guess here:
These modules are supplied by mesa, though probably this is unnecessary:
# emerge -1 mesa
However, this may be the problem: make sure you update your eselect for mesa and opengl to have a provider:
# eselect mesa list
# eselect opengl list
Make sure one of each section is still starred by setting one of them
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Intel Core i7 2700K/Radeon R7 250/24GB DDR3/256GB SSD
What am I supposed watching? |
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AndrewAmmerlaan
Developer
Joined: 25 Jun 2014
Posts: 266
Location: Nijmegen
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| Posted: Mon May 08, 2017 2:49 pm Post subject: |
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Sadly, that didn't work. I also checked /var/log/messages for any additional output, but it didn't show anything out of the ordinary.
Also, here is my make.conf: https://bpaste.net/show/5918da83f273
EDIT: It seems that x does start when eselect mesa 64/32 bit software renderer is set to classic instead of gallium, it is however much slower and kwin crashes immediatly with a seg fault.
_________________
OS: Gentoo 6.7.3-gentoo-dist, ~amd64, 17.1/desktop/plasma/systemd/merged-usr
MB: MSI Z370-A PRO
CPU: Intel Core i9-9900KS
GPU: Intel Arc A770 16GB & Intel UHD Graphics 630
SSD: Samsung 970 EVO Plus 2 TB
RAM: Crucial Ballistix 32GB DDR4-2400 |
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AndrewAmmerlaan
Developer
Joined: 25 Jun 2014
Posts: 266
Location: Nijmegen
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| Posted: Wed May 10, 2017 3:48 pm Post subject: |
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The good news is that I fixed it, the bad news is that I don't know exactly what fixed it. But I'll just leave what I did here for anyone else having a similar problem.
So basically I rebuilt everything with emerge -e @world which also rebuilt whatever was causing this problem. Consequently I don't know which package rebuild fixed it, however I do know that mesa nor xorg-server were the cause of it as I had already rebuilt those prior to rebuilding everything else.
_________________
OS: Gentoo 6.7.3-gentoo-dist, ~amd64, 17.1/desktop/plasma/systemd/merged-usr
MB: MSI Z370-A PRO
CPU: Intel Core i9-9900KS
GPU: Intel Arc A770 16GB & Intel UHD Graphics 630
SSD: Samsung 970 EVO Plus 2 TB
RAM: Crucial Ballistix 32GB DDR4-2400 |
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