Possibly related: https://bugzilla.kernel.org/show_bug.cgi?id=213779
https://bbs.archlinux.org/viewtopic.php?id=267874 ** Bug watch added: Linux Kernel Bug Tracker #213779 https://bugzilla.kernel.org/show_bug.cgi?id=213779 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-hwe-5.13 in Ubuntu. https://bugs.launchpad.net/bugs/1950339 Title: Screen stays black after going idle or waking up from suspend on AMD laptop Status in linux-signed-hwe-5.13 package in Ubuntu: New Bug description: Upon upgrading to the latest HWE edge kernel (from 5.11 to 5.13) on 20.04, I found that my screen won't work if my laptop goes idle (screen off) or wakes up from suspend. Reverting to 5.11 resolves this for me. This seems to be a common issue across many distributions and appears to have been fixed in 5.14. I'm using a ThinkPad P14s AMD Gen 1 with Ryzen 7 4750u (integrated graphics). ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.13.0-21-generic 5.13.0-21.21~20.04.1 ProcVersionSignature: Ubuntu 5.13.0-21.21~20.04.1-generic 5.13.18 Uname: Linux 5.13.0-21-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Tue Nov 9 10:46:08 2021 InstallationDate: Installed on 2021-07-08 (123 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) SourcePackage: linux-signed-hwe-5.13 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1950339/+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
