I've made a live bootable pendrive to test the issue. I've found that it's not present when I boot a live OS, so something must have gone wrong during the upgrade. I've attached glxinfo outputs.
thinkpad-glxinfo-livecd.txt: How it looks like when I boot from USB drive. It's normal.
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Mobile Intel® GM45 Express Chipset
OpenGL version string: 2.1 Mesa 18.0.0-rc5
OpenGL shading language version string: 1.20
thinkpad-glxinfo-normalboot.txt: How it looks like when I boot my usual system on the same hardware. Software rendering is enforced.
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 6.0, 128 bits)
OpenGL version string: 3.0 Mesa 18.0.0-rc5
OpenGL shading language version string: 1.30
I've made a live bootable pendrive to test the issue. I've found that it's not present when I boot a live OS, so something must have gone wrong during the upgrade. I've attached glxinfo outputs.
thinkpad- glxinfo- livecd. txt: How it looks like when I boot from USB drive. It's normal.
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Mobile Intel® GM45 Express Chipset
OpenGL version string: 2.1 Mesa 18.0.0-rc5
OpenGL shading language version string: 1.20
thinkpad- glxinfo- normalboot. txt: How it looks like when I boot my usual system on the same hardware. Software rendering is enforced.
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 6.0, 128 bits)
OpenGL version string: 3.0 Mesa 18.0.0-rc5
OpenGL shading language version string: 1.30