Error: command ['systemctl', 'status', '--full', 'systemd-backlight@backlight:acpi_video0.service'] failed with exit code 3: ● systemd-backlight@backlight:acpi_video0.service - Load/Save Screen Backlight Brightness of backlight:acpi_video0 Loaded: loaded (/lib/systemd/system/systemd-backlight@.service; static; vendor preset: enabled) Active: failed (Result: exit-code) since Thu 2020-12-03 15:35:23 EST; 1h 23min ago Docs: man:systemd-backlight@.service(8) Process: 901 ExecStart=/lib/systemd/systemd-backlight load backlight:acpi_video0 (code=exited, status=1/FAILURE) Main PID: 901 (code=exited, status=1/FAILURE) Dec 03 15:35:23 vasher systemd[1]: Starting Load/Save Screen Backlight Brightness of backlight:acpi_video0... Dec 03 15:35:23 vasher systemd-backlight[901]: Failed to get backlight or LED device 'backlight:acpi_video0': No such device Dec 03 15:35:23 vasher systemd[1]: systemd-backlight@backlight:acpi_video0.service: Main process exited, code=exited, status=1/FAILURE Dec 03 15:35:23 vasher systemd[1]: systemd-backlight@backlight:acpi_video0.service: Failed with result 'exit-code'. Dec 03 15:35:23 vasher systemd[1]: Failed to start Load/Save Screen Backlight Brightness of backlight:acpi_video0. ------ Error: command ['systemctl', 'status', '--full', 'swapfile.swap'] failed with exit code 3: ● swapfile.swap - /swapfile Loaded: loaded (/etc/fstab; generated) Active: failed (Result: exit-code) since Thu 2020-12-03 15:35:23 EST; 1h 23min ago What: /swapfile Docs: man:fstab(5) man:systemd-fstab-generator(8) Dec 03 15:35:23 vasher systemd[1]: Activating swap /swapfile... Dec 03 15:35:23 vasher swapon[743]: swapon: /swapfile: swapon failed: Invalid argument Dec 03 15:35:23 vasher systemd[1]: swapfile.swap: Swap process exited, code=exited, status=255/EXCEPTION Dec 03 15:35:23 vasher systemd[1]: swapfile.swap: Failed with result 'exit-code'. Dec 03 15:35:23 vasher systemd[1]: Failed to activate swap /swapfile.