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Thread: Thinkpad 20UD0013RT and kernels after 5.12.16

  1. September 4th, 2021 #1
    vadim s. sabinich
    vadim s. sabinich is offline First Cup of Ubuntu
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    Question Thinkpad 20UD0013RT and kernels after 5.12.16

    Hi, there!
    I have a one issue with all of linux kernels after 5.12.16 under Xubuntu 20.04. When Thinkpad has been booted to the login page I see "color" noise on the main screen. External hdmi-monitor looks well. However, with 5.12.16 main screen is working.

    And I don't understand what happened, because I don't found any errors in dmesg or whatever.
    I need your help for debugging this issue and send a report to developers (if need). Thanks!
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