I think there's more than two bugs represented here, but in many cases we don't have enough data. Please look at the above page and fill in the missing data.
I've also created a page summarizing how to analyze and work around these issues. It would be worthwhile for anyone experiencing these issues to review and try these steps, and then report their findings on the appropriate bug
I've collected the reports from people commenting on bugs 138256 and 150109: https:/ /wiki.ubuntu. com/X/Bugs/ ScreenModeChang e
I think there's more than two bugs represented here, but in many cases we don't have enough data. Please look at the above page and fill in the missing data.
I've also created a page summarizing how to analyze and work around these issues. It would be worthwhile for anyone experiencing these issues to review and try these steps, and then report their findings on the appropriate bug
https:/ /wiki.ubuntu. com/X/Debugging #head-0b6e9c6b6 0fa07cda4013a1c 51239f1c14c4f89 d