I am facing this exact same problem.
My laptop runs on an Intel n3450, Intel HD graphics 500 (drivers i915 at least
as of now on Linux Mint 20.2, kernel 5.4)
I am using as I said Linux Mint 20.2 because every single Linux
distribution that runs kernel branches 5.11 or above makes my laptop's
scre
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed-hwe-5.11 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/194337
** Attachment added: "Current dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.11/+bug/1943370/+attachment/5524707/+files/dmesg-20210912.log
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https://bugs.launchpad.
** Attachment added: "Dmesg for 5.8.0-59"
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.11/+bug/1943370/+attachment/5524706/+files/dmesg-Kernel-5.8.0-59-generic-20210626.txt
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00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core
Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA
controller])
Subsystem: Lenovo 4th Gen Core Processor Integrated Graphics Controller
[17aa:3978]
Control: I/O+ Mem+ BusMaster+ S
