The problem exists with the AMD graphics drivers and using Xpresent. Window managers can work around it by not using Xpresent, but there's also a kernel fix available.
https://gitlab.freedesktop.org/xorg/driver/xf86-video-amdgpu/-/issues/10 https://gitlab.freedesktop.org/xorg/driver/xf86-video-amdgpu/-/merge_requests/52 https://gitlab.xfce.org/xfce/xfwm4/-/commit/7c00911a556c27c57c9f719c12cfda967016dc28 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libxcb in Ubuntu. https://bugs.launchpad.net/bugs/1873895 Title: Regression: block staircase display with side-by-side monitors of different pixel widths To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1873895/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
