attached dmesg ( dmesg >~/dmesg_2018-05-22.txt ) this COULD be the key bit - unsure (thanks to well_laid_down in #xubuntu)
[488956.180193] [drm:cypress_dpm_set_power_state [radeon]] *ERROR* rv770_restrict_performance_levels_before_switch failed [488957.778128] traps: light-locker[9579] trap int3 ip:7f228a785c41 sp:7ffdee1a6c50 error:0 in libglib-2.0.so.0.5600.1[7f228a734000+113000] ( dmesg file is unedited, contains other crash info i believe unreleated; but may contain detail on the same problem yesterday morning ) ** Attachment added: "dmesg >~/dmesg_2018-05-22.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1772542/+attachment/5142673/+files/dmesg_2018-05-22.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772542 Title: after waking from sleep i get text radeon error message then return login screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1772542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
