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Please boot into the Ubuntu kernel and run the following command in a terminal
to collect debugging information and attach it to this report.
$ sudo apport-collect 2170625
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2170625
Title:
[REGRESSION] Screen brightness stuck at 100% on Lenovo ThinkPad T14
Gen 5 Intel with kernel 7.0.0-38-generic
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