Thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1940285 When reporting bugs in the future please use apport by using 'ubuntu- bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs. Many details have not been provided; including and especially video hardware & kernel modules in use. the apport-collect will gather this information and allow this bug to be worked on. Currently I believe it's incomplete and I'm marking it as such. Once you've run apport-collect, please change the status to "New". If you believe I'm in error, you can leave a comment explaining why, then change status to "New", however the bug may not be worked on until such details have been provided. Note: if you're not using Ubuntu or flavor of Ubuntu (eg. Linux Mint is neither), additional packages may require install before you can run `apport-collect`. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1940285 Title: Laptop screen flickering on kernels above 5.4 (not included) Status in linux package in Ubuntu: Incomplete Bug description: Recently, I installed Ubuntu 21.04 on my laptop and I was having the same problem I had like with others distros such as Fedora; for some reason, the screen just ramdonly and briefly turns off, (more like a flickering) and it also "autoregulates" a the brightness, just a little bit down and then a little bit up. I noticed I don't have this problem on Linux Mint, and I also noticed that going back to Kernel 5.8 on either Ubuntu 21.04 or 20.04.2 this problem stops. I have been using Mainline ( https://github.com/bkw777/mainline ) to install previous kernels (5.8 and 5.4 wok just fine, but anything above this problem comes again). Thanks so much beforehand. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1940285/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
