I would suggest reporting the issue upstream but they will ask you to test a newer version first. So please try live booting Ubuntu 20.10 from USB (which includes Mesa 20.2) and tell us if it has the same problem:
https://ubuntu.com/download/desktop If the problem persists then please open a bug upstream at https://gitlab.freedesktop.org/groups/mesa/-/issues and then tell us the new issue ID. ** Package changed: xorg (Ubuntu) => mesa (Ubuntu) ** Also affects: libsdl2 (Ubuntu) Importance: Undecided Status: New ** Changed in: libsdl2 (Ubuntu) Status: New => Incomplete ** Changed in: mesa (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1902853 Title: Failure to create core GL context with llvmpipe when using GLX_ARB_context_flush_control To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libsdl2/+bug/1902853/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
