![]() Linux- backports- modules- 5.13.0- 16-generic N/A Linux- restricted- modules- 5.13.0- 16-generic N/A ![]() No PulseAudio daemon running, or not running as session daemon. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. ProcKernelCmdLine: BOOT_IMAGE= vmlinuz- 5.13.0- 16-generic root=UUID= 99f436de- d37c-4b3e- adb2-612443efc1 97 ro quiet splash amdgpu.backlight=0 vt.handoff=7Įrror: command failed with exit code 1: XDG_RUNTIME_DIR (/run/user/1001) is not owned by us (uid 0), but by uid 1001! (This could e.g. InstallationMedia: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210910) ![]() InstallationDate: Installed on (5 days ago) NonfreeKernelMo dules: nvidia_modeset nvidia One difference between them and this laptop is that it has advanced optimus, meaning that it can switch the laptop display between the amdgpu and nvidia card without rebooting, if that is at all relevant. I have read that users with the Legion 7 AMD and Legion 5 Pro AMD can get the backlight working with the amdgpu.backlight=0 kernel boot parameter. The backlight control files appear in /sys/class/ backlight/ amdgpu_ bl0, and writing to /sys/class/ backlight/ amdgpu_ bl0/brightness changes the value in /sys/class/ backlight/ amdgpu_ bl0/actual_ brightness, but the screen brightness always remains at 100%. The screen brightness controls don't work on the Legion Slim 7 (AMD) laptop running in hybrid/dynamic mode. ![]()
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