xdpyinfo on XRandR 1.2+ screen really reports wrong DPI information. Last version of patch for xdpyinfo which fixes this problem is there: https://lists.x.org/archives/xorg-devel/2017-May/053743.html
Also this patch (v2) fixes reporing of negative values in resolution information. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/201491 Title: Screen DPI detected incorrectly by xdpyinfo To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/201491/+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