Public bug reported:
In XUbuntu 18.04 bionic, with the nvidia-driver-390, ony one user can use the
nvidia driver at a time.
A second user logged-in gets stuck at 640x480 and llvmpipe for OpenGL.
Before the update around 11-12 March 2018, it was possible for multiple users
to use the nvidia driver.
First User
==========
For the first user to log in, they get this:
lsb_release -a:
Distributor ID: Ubuntu
Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04
Codename: bionic
apt-cache policy nvidia-driver-390:
nvidia-driver-390:
Installed: 390.42-0ubuntu1+gpu18.04.1
Candidate: 390.42-0ubuntu1+gpu18.04.1
Version table:
*** 390.42-0ubuntu1+gpu18.04.1 500
500 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu bionic/main
amd64 Packages
100 /var/lib/dpkg/status
390.42-0ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu bionic/restricted amd64 Packages
lscpi:
07:00.0 VGA compatible controller: NVIDIA Corporation GK106 [GeForce GTX 660]
(rev a1)
glxinfo | grep renderer:
OpenGL renderer string: GeForce GTX 660/PCIe/SSE2
xrandr:
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 819mm
x 461mm
1920x1080 60.00*+ 60.00 59.94 50.00 23.98 60.00 50.04
1280x1024 75.02
1280x720 60.00 59.94 50.00
1024x768 75.03 70.07 60.00
800x600 75.00 72.19 60.32
720x576 50.00
720x480 59.94
640x480 75.00 59.94 59.93
DP-0 disconnected (normal left inverted right x axis y axis)
DVI-D-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
After switching to a second user
================================
glxinfo | grep renderer:
OpenGL renderer string: llvmpipe (LLVM 5.0, 128 bits)
xrandr:
Screen 0: minimum 640 x 480, current 640 x 480, maximum 640 x 480
default connected 640x480+0+0 0mm x 0mm
640x480 73.00*
** Affects: nvidia-graphics-drivers-390 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1757202
Title:
xubuntu / bionic / nvidia-driver-390 can only be used by one user at a
time
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