Spot on.
Correct.
On a working now after yum update we have:
rpm -qa | grep -i mesa | sort
mesa-demos-8.3.0-10.el7.x86_64
mesa-dri-drivers-18.3.4-12.el7_9.x86_64
mesa-filesystem-18.3.4-12.el7_9.x86_64
mesa-khr-devel-18.3.4-12.el7_9.x86_64
mesa-libEGL-18.3.4-12.el7_9.x86_64
mesa-libEGL-devel-18.3.4-12.el7_9.x86_64
mesa-libgbm-18.3.4-12.el7_9.x86_64
mesa-libgbm-devel-18.3.4-12.el7_9.x86_64
mesa-libGL-18.3.4-12.el7_9.x86_64
mesa-libglapi-18.3.4-12.el7_9.x86_64
mesa-libGL-devel-18.3.4-12.el7_9.x86_64
mesa-libGLES-18.3.4-12.el7_9.x86_64
mesa-libGLES-devel-18.3.4-12.el7_9.x86_64
mesa-libGLU-9.0.0-4.el7.x86_64
mesa-libGLU-devel-9.0.0-4.el7.x86_64
mesa-libGLw-8.0.0-5.el7.x86_64
mesa-libGLw-devel-8.0.0-5.el7.x86_64
mesa-libOSMesa-18.3.4-12.el7_9.x86_64
mesa-libOSMesa-devel-18.3.4-12.el7_9.x86_64
mesa-libxatracker-18.3.4-12.el7_9.x86_64
mesa-libxatracker-devel-18.3.4-12.el7_9.x86_64
mesa-private-llvm-3.9.1-3.el7.x86_64
mesa-private-llvm-devel-3.9.1-3.el7.x86_64
mesa-vdpau-drivers-18.3.4-12.el7_9.x86_64
mesa-vulkan-drivers-18.3.4-12.el7_9.x86_64
On a non-working node:
rpm -qa | grep -i mesa | sort
mesa-khr-devel-18.3.4-7.el7.x86_64
mesa-libEGL-18.3.4-7.el7.x86_64
mesa-libEGL-devel-18.3.4-7.el7.x86_64
mesa-libgbm-18.3.4-7.el7.x86_64
mesa-libGL-18.3.4-7.el7.x86_64
mesa-libglapi-18.3.4-7.el7.x86_64
mesa-libGL-devel-18.3.4-7.el7.x86_64
mesa-libGLU-9.0.0-4.el7.x86_64
mesa-libGLU-devel-9.0.0-4.el7.x86_64
mesa-libOSMesa-18.3.4-7.el7.x86_64
mesa-libwayland-egl-17.2.3-8.20171019.el7.x86_64
Prior to yum update I did run sudo yum install -y mesa-dri-drivers
rpm -qf /usr/lib64/dri/swrast_dri.so
mesa-dri-drivers-18.3.4-12.el7_9.x86_64
So I’m not sure if it was the yum update or running yum update after installing mesa-dri-drivers.
Thanks, I appreciate it I included the links as the other posts have more details and I’m grateful you took the time to put the pieces alltogether.