I can confirm this. I had this exact same issue (with an intel HD530 card). The fix mentioned above worked.
The incorrect response from xdriinfo also seems to have caused issues with several other programs (such as steam play games and video playback) that now seem to be fixed. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to x11-utils in Ubuntu. https://bugs.launchpad.net/bugs/1787845 Title: Broken xdriinfo on Ubuntu 18.04 breaks driconf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/x11-utils/+bug/1787845/+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
