Images (desktop background, random webapp canvases, etc) are sometimes replaced by a strange static pattern












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Ever since installing Ubuntu 18.04, random images are being replaced by this strange colorful static pattern (usually goes away on restart). I believe it usually occurs when waking from sleep. It happens with webapp backgrounds (like for the map part of Google Maps if I have it open when the computer goes to sleep) as well. Any clue what is going on here / how to fix it?



Here's an example of what it looks like for the desktop: https://i.stack.imgur.com/qMWkd.png



It's always this same pattern.










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    Ever since installing Ubuntu 18.04, random images are being replaced by this strange colorful static pattern (usually goes away on restart). I believe it usually occurs when waking from sleep. It happens with webapp backgrounds (like for the map part of Google Maps if I have it open when the computer goes to sleep) as well. Any clue what is going on here / how to fix it?



    Here's an example of what it looks like for the desktop: https://i.stack.imgur.com/qMWkd.png



    It's always this same pattern.










    share|improve this question







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    nagasgura is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      Ever since installing Ubuntu 18.04, random images are being replaced by this strange colorful static pattern (usually goes away on restart). I believe it usually occurs when waking from sleep. It happens with webapp backgrounds (like for the map part of Google Maps if I have it open when the computer goes to sleep) as well. Any clue what is going on here / how to fix it?



      Here's an example of what it looks like for the desktop: https://i.stack.imgur.com/qMWkd.png



      It's always this same pattern.










      share|improve this question







      New contributor




      nagasgura is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      Ever since installing Ubuntu 18.04, random images are being replaced by this strange colorful static pattern (usually goes away on restart). I believe it usually occurs when waking from sleep. It happens with webapp backgrounds (like for the map part of Google Maps if I have it open when the computer goes to sleep) as well. Any clue what is going on here / how to fix it?



      Here's an example of what it looks like for the desktop: https://i.stack.imgur.com/qMWkd.png



      It's always this same pattern.







      18.04 bug-reporting






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      nagasgura is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      asked 1 hour ago









      nagasguranagasgura

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