This issue does not appear to persist after today's updates. /var/log/apt/history.log:
Start-Date: 2017-07-28 11:43:40 Commandline: apt upgrade Requested-By: myusername (1000) Install: linux-headers-4.10.0-28-generic:amd64 (4.10.0-28.32~16.04.2, automatic), linux-image-4.10.0-28-generic:amd64 (4.10.0-28.32~16.04.2, automatic), libllvm4.0:amd64 (1:4.0-1ubuntu1~16.04.1, automatic), libinput-bin:amd64 (1.6.3-1ubuntu1~16.04.1, automatic), libxfont2:amd64 (1:2.0.1-3~ubuntu16.04.1, automatic), linux-headers-4.10.0-28:amd64 (4.10.0-28.32~16.04.2, automatic), xserver-xorg-legacy-hwe-16.04:amd64 (2:1.19.3-1ubuntu1~16.04.2, automatic), linux-image-extra-4.10.0-28-generic:amd64 (4.10.0-28.32~16.04.2, automatic) Upgrade: xserver-xorg-video-qxl-hwe-16.04:amd64 (0.1.4-3ubuntu3~16.04.1, 0.1.5-2build1~16.04.1), update-manager-core:amd64 (1:16.04.6, 1:16.04.7), xserver-xorg-video-vesa-hwe-16.04:amd64 (1:2.3.4-1build2~16.04.1, 1:2.3.4-1build3~16.04.1), libdrm-nouveau2:amd64 (2.4.70-1~ubuntu16.04.1, 2.4.76-1~ubuntu16.04.1), whoopsie:amd64 (0.2.52.3, 0.2.52.4), libwacom-common:amd64 (0.18-1, 0.22-1~ubuntu16.04.1), linux-image-generic-hwe-16.04:amd64 (4.10.0.27.30, 4.10.0.28.31), libkmod2:amd64 (22-1ubuntu4, 22-1ubuntu5), libglapi-mesa:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), update-manager:amd64 (1:16.04.6, 1:16.04.7), binutils:amd64 (2.26.1-1ubuntu1~16.04.3, 2.26.1-1ubuntu1~16.04.4), libwhoopsie0:amd64 (0.2.52.3, 0.2.52.4), xserver-xorg-video-amdgpu-hwe-16.04:amd64 (1.1.2-1~16.04.1, 1.3.0-0ubuntu1~16.04.1), linux-generic-hwe-16.04:amd64 (4.10.0.27.30, 4.10.0.28.31), gnome-software:amd64 (3.20.1+git20170524.0.ea2fe2b0-0ubuntu0.16.04.1, 3.20.5-0ubuntu0.16.04.5), xfonts-utils:amd64 (1 :7.7+3, 1:7.7+3ubuntu0.16.04.2), xserver-xorg-input-synaptics-hwe-16.04:amd64 (1.8.3-1ubuntu1~16.04.1, 1.9.0-1ubuntu1~16.04.1), libxatracker2:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), libwacom-bin:amd64 (0.18-1, 0.22-1~ubuntu16.04.1), libegl1-mesa:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), kmod:amd64 (22-1ubuntu4, 22-1ubuntu5), xserver-xorg-hwe-16.04:amd64 (1:7.7+13ubuntu4~16.04.2, 1:7.7+16ubuntu3~16.04.1), libgbm1:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), libwayland-client0:amd64 (1.9.0-1, 1.12.0-1~ubuntu16.04.1), xserver-xorg-video-all-hwe-16.04:amd64 (1:7.7+13ubuntu4~16.04.2, 1:7.7+16ubuntu3~16.04.1), libappstream-glib8:amd64 (0.5.13-1ubuntu4, 0.5.13-1ubuntu5), libdrm-amdgpu1:amd64 (2.4.70-1~ubuntu16.04.1, 2.4.76-1~ubuntu16.04.1), xserver-xorg-video-fbdev-hwe-16.04:amd64 (1:0.4.4-1build5~16.04.1, 1:0.4.4-1build6~16.04.1), python3-distupgrade:amd64 (1:16.04.21, 1:16.04.22), ubuntu-software:amd64 (3.20.1+git20170524.0.ea2fe2b0-0ubuntu0 .16.04.1, 3.20.5-0ubuntu0.16.04.5), python3-update-manager:amd64 (1:16.04.6, 1:16.04.7), ubuntu-release-upgrader-core:amd64 (1:16.04.21, 1:16.04.22), libwayland-egl1-mesa:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), xserver-xorg-video-vmware-hwe-16.04:amd64 (1:13.1.0-2ubuntu3~16.04.1, 1:13.2.1-1build1~16.04.1), libxfont1:amd64 (1:1.5.1-1, 1:1.5.1-1ubuntu0.16.04.1), libdrm2:amd64 (2.4.70-1~ubuntu16.04.1, 2.4.76-1~ubuntu16.04.1), libgl1-mesa-dri:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), xserver-xorg-video-intel-hwe-16.04:amd64 (2:2.99.917+git20160706-1ubuntu1~16.04.1, 2:2.99.917+git20170309-0ubuntu1~16.04.1), xserver-xorg-core-hwe-16.04:amd64 (2:1.18.4-1ubuntu6.1~16.04.2, 2:1.19.3-1ubuntu1~16.04.2), xserver-xorg-input-wacom-hwe-16.04:amd64 (1:0.33.0-0ubuntu1~16.04.1, 1:0.34.0-0ubuntu2~16.04.1), libgl1-mesa-glx:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), ubuntu-release-upgrader-gtk:amd64 (1:16.04.21, 1:16.04.22), libdrm-intel1:amd64 (2.4.70-1~ ubuntu16.04.1, 2.4.76-1~ubuntu16.04.1), libwacom2:amd64 (0.18-1, 0.22-1~ubuntu16.04.1), xserver-xorg-input-evdev-hwe-16.04:amd64 (1:2.10.2-1ubuntu1~16.04.1, 1:2.10.5-1ubuntu1~16.04.1), linux-headers-generic-hwe-16.04:amd64 (4.10.0.27.30, 4.10.0.28.31), libdrm-radeon1:amd64 (2.4.70-1~ubuntu16.04.1, 2.4.76-1~ubuntu16.04.1), xserver-xorg-video-nouveau-hwe-16.04:amd64 (1:1.0.12-2~16.04.1, 1:1.0.14-0ubuntu1~16.04.1), mesa-vdpau-drivers:amd64 (12.0.6-0ubuntu0.16.04.1, 17.0.7-0ubuntu0.16.04.1), xserver-xorg-input-all-hwe-16.04:amd64 (1:7.7+13ubuntu4~16.04.2, 1:7.7+16ubuntu3~16.04.1), xserver-xorg-video-radeon-hwe-16.04:amd64 (1:7.7.1-1~16.04.1, 1:7.9.0-0ubuntu1~16.04.1), gnome-software-common:amd64 (3.20.1+git20170524.0.ea2fe2b0-0ubuntu0.16.04.1, 3.20.5-0ubuntu0.16.04.5), libwayland-server0:amd64 (1.9.0-1, 1.12.0-1~ubuntu16.04.1), xserver-xorg-video-ati-hwe-16.04:amd64 (1:7.7.1-1~16.04.1, 1:7.9.0-0ubuntu1~16.04.1), libinput10:amd64 (1.2.3-1ubuntu1, 1.6.3-1ubuntu1~16.04.1), libwayland-curso r0:amd64 (1.9.0-1, 1.12.0-1~ubuntu16.04.1) End-Date: 2017-07-28 11:47:32 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1706760 Title: lightdm/login session fails to resume after display is locked and goes to black To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1706760/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs