Public bug reported:
Hi,
I have no direct rendering unless using sudo.
sol@CALC1:~$ export LIBGL_DEBUG=verbose; glxinfo | grep direct
libGL: OpenDriver: trying /usr/lib64/dri/swrast_dri.so
libGL error: dlopen /usr/lib64/dri/swrast_dri.so failed
(/usr/lib64/dri/swrast_dri.so: cannot open shared object file: No such file or
directory)
libGL error: unable to load driver: swrast_dri.so
libGL error: reverting to indirect rendering
direct rendering: No (If you want to find out why, try setting
LIBGL_DEBUG=verbose)
But
sol@CALC1:~$ sudo LIBGL_DEBUG=verbose glxinfo | grep direct
direct rendering: Yes
GL_EXT_Cg_shader, GL_EXT_depth_bounds_test, GL_EXT_direct_state_access,
It seems to be a perms problem.
I am a member of root and video groups.
sol@CALC1:~$ ls -la /dev/nvi*
crw-rw-rw- 1 root root 195, 0 nov. 14 14:11 /dev/nvidia0
crw-rw-rw- 1 root root 195, 255 nov. 14 14:11 /dev/nvidiactl
Is it a symlink problem occuring only for non root user ?
I don't have any lib64 folder in /usr
sol@CALC1:~$ locate swrast
/usr/lib/i386-linux-gnu/dri/swrast_dri.so
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
sol@CALC1:~$ lspci -v | grep VGA
02:00.0 VGA compatible controller: NVIDIA Corporation GT218 [NVS 300] (rev a2)
(prog-if 00 [VGA controller])
Ubuntu 12.04
kernel 3.2.0-32-generic
Nvidia driver 295.40
Arch x86_64
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
** Tags: nvidia
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https://bugs.launchpad.net/bugs/1078726
Title:
nvidia driver no direct rendering unless root
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