On Wed, Mar 24, 2021 at 09:48:46AM -0500, Bob Tracy wrote: > (...) > Everything worked as well as it's going to for kernel versions up > through v5.10.0. When I boot on v5.11.0, "lightdm" starts, the screen > goes blank as usual, I get a mouse pointer as usual, and shortly after > that, the system locks up solid (completely nonresponsive except for > being able to ping it -- can't login remotely). Recovery is via the > reset switch at that point :-(. > (...) Same results for 5.12.0-rc4 kernel. --Bob