Screen flickering on ThinkPad X270

Hi, I was suffering from a subtle (yet annoying once noticed) problem with screen flickering whilst using xenocara on my ThinkPad X270. It was only distinctly apparent with certain colours/images being displayed, generally a darker (but not black) static background with small bright regions chang

Unable to adjust beep volume on ThinkPad X270

Hi, I wasn't able to adjust the volume of the keyboard bell via wsconsctl(8), or the volume of /dev/speaker on my ThinkPad X270. Additionally, the default spkr_source (mix3) doesn't output the beep. Changing to mix2, sounds the beep and my existing audio seems fine. # mixerctl outputs.spkr_sourc