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[SOLVED] OpenGL & Genymotion: failure to load swrast
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m27315
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PostPosted: Thu Jan 07, 2016 10:40 pm    Post subject: [SOLVED] OpenGL & Genymotion: failure to load swrast Reply with quote

Hi,

I recently upgraded my Gentoo system to the latest nvidia drivers, mesa, and genymotion (2.6.0). Now, whenever I launch genymotion, the player freezes when launching a VM, and I see the following in the console:

Code:
$ genymotion
Logging activities to file: /home/tbowen/.Genymobile/genymotion.log
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
Logging activities to file: /home/tbowen/.Genymobile/genymotion.log
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
Logging activities to file: /local/.Genymobile/Genymotion/deployed/MyAndroidVM/genymotion-player.log
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast

In addition to using the nvidia-drivers, I am also using KDE 4.11.19.

I noticed the new version of genymotion uses Qt5, if it makes a difference.

Any suggestions?

Thanks!


Last edited by m27315 on Fri Jan 08, 2016 4:04 am; edited 1 time in total
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m27315
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Joined: 10 Dec 2004
Posts: 253
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PostPosted: Fri Jan 08, 2016 4:03 am    Post subject: Solved Reply with quote

I reinstalled nvidia-drivers, but that did not help. I think there is some issue with either symlinks being messed up during nvidia-drivers ebuild or by genymotion's start-up ruining the LD_LIBRARY_PATH. Regardless, this fixed it for me:

Code:
# cd /usr/lib64
# mv libGL.so.1.2.0 libGL.so.1.2.0.orig
# ln -snf /usr/lib64/opengl/nvidia/lib/libGL.so libGL.so.1.2.0


Genymotion popped up immediately after that. Actually, the symptoms are much broader than Genymotion. Any OpenGL application will produce the same errors, even something as simple as:

Code:
$ glxgears
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  153 (GLX)
  Minor opcode of failed request:  3 (X_GLXCreateContext)
  Value in failed request:  0x0
  Serial number of failed request:  35
  Current serial number in output stream:  37

The glxinfo command will also produce the same error. I used these commands to debug, and once they worked, genymotion worked again too.

Hope this helps someone else!
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Mistwolf
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Joined: 07 Mar 2007
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PostPosted: Fri Jan 08, 2016 4:50 am    Post subject: Reply with quote

sounds like it is trying to use mesa's opengl implementation.

what does the following say:
Code:
eselect opengl list


should be set to nvidia in your case.
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m27315
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PostPosted: Fri Jan 08, 2016 1:26 pm    Post subject: eselect opengl Reply with quote

Mistwolf wrote:
sounds like it is trying to use mesa's opengl implementation.

what does the following say:
Code:
eselect opengl list


should be set to nvidia in your case.

Sorry, I had not documented that, but that was one of the first things I tried. I toggled it to xorg-x11 and then back to nvidia, but it made no difference. Here's the final value as we would hope and expect:

Code:
$ eselect opengl list
Available OpenGL implementations:
  [1]   nvidia *
  [2]   xorg-x11

My current solution is definitely a hack, so if there is a way to fix this within the design and intent of the system, I'd much rather do that.

Thanks!
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jimniemira
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Joined: 13 Jan 2016
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PostPosted: Sat Jan 16, 2016 5:03 pm    Post subject: Reply with quote

See my thread here: https://forums.gentoo.org/viewtopic-t-1037122.html

You are probably using Mesa instead of nvidia-drivers libGL.so. See what these commands show for you:
Code:

# equery belongs /usr/lib/libGL.so
 * Searching for /usr/lib/libGL.so ...
media-libs/mesa-11.0.6 (/usr/lib/libGL.so -> libGL.so.1.2.0)
media-libs/mesa-11.0.6 (/usr/lib/libGL.so.1.2.0)

# equery belongs /usr/lib/opengl/nvidia/lib/libGL.so
 * Searching for /usr/lib/opengl/nvidia/lib/libGL.so ...
x11-drivers/nvidia-drivers-340.96 (/usr/lib/opengl/nvidia/lib/libGL.so.340.96)
x11-drivers/nvidia-drivers-340.96 (/usr/lib/opengl/nvidia/lib/libGL.so -> libGL.so.1)

# echo $LD_LIBRARY_PATH

# strings /etc/ld.so.cache | grep libGL.so
libGL.so.1
/usr/lib/opengl/nvidia/lib/libGL.so.1
libGL.so.1
/usr/lib/libGL.so.1
libGL.so
/usr/lib/opengl/nvidia/lib/libGL.so
libGL.so
/usr/lib/libGL.so


I originally had an LD_LIBRARY_PATH defined that did not have /usr/lib/opengl/nvidia/lib defined, so was not using Nvidia's library. Erasing that uses the order in /etc/ld.so.cache, I think, so now it works for me.
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m27315
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PostPosted: Sun Jan 17, 2016 3:40 am    Post subject: Reply with quote

jimniemira wrote:
See my thread here: https://forums.gentoo.org/viewtopic-t-1037122.html

You are probably using Mesa instead of nvidia-drivers libGL.so. ... I originally had an LD_LIBRARY_PATH defined that did not have /usr/lib/opengl/nvidia/lib defined, so was not using Nvidia's library. Erasing that uses the order in /etc/ld.so.cache, I think, so now it works for me.

Ahh, good catch! I originally had PATH, MANPATH, LD_LIBRARY_PATH, LANG, LC_ALL, and LC_CTYPE in my ~/.bash_profile script. I wonder which of these I should delete in addition to LD_LIBRARY_PATH? I don't have any customizations except to add ~/bin to my user's path.

Thanks!
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