Public bug reported: On Lenovo E14 Gen 2 kernel 5.13.0-22 exhibits multiple bugs, one of them is that the primary screen shows white noise (ant war) after attaching an external monitor and switching it on and oft This cannot be solved by switching to tty or restarting the display manager, reboot necessary
ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.13.0-22-generic 5.13.0-22.22~20.04.1 ProcVersionSignature: Ubuntu 5.13.0-22.22~20.04.1-generic 5.13.19 Uname: Linux 5.13.0-22-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Feb 12 16:34:08 2022 InstallationDate: Installed on 2015-11-05 (2291 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) SourcePackage: linux-signed-hwe-5.13 UpgradeStatus: Upgraded to focal on 2020-09-10 (520 days ago) modified.conffile..etc.apport.crashdb.conf: [modified] mtime.conffile..etc.apport.crashdb.conf: 2019-03-07T14:28:39.455024 ** Affects: linux-signed-hwe-5.13 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- 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/1960710 Title: Ant war on primary laptop screen after attaching an external monitor and switching it on and off Status in linux-signed-hwe-5.13 package in Ubuntu: New Bug description: On Lenovo E14 Gen 2 kernel 5.13.0-22 exhibits multiple bugs, one of them is that the primary screen shows white noise (ant war) after attaching an external monitor and switching it on and oft This cannot be solved by switching to tty or restarting the display manager, reboot necessary ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.13.0-22-generic 5.13.0-22.22~20.04.1 ProcVersionSignature: Ubuntu 5.13.0-22.22~20.04.1-generic 5.13.19 Uname: Linux 5.13.0-22-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Feb 12 16:34:08 2022 InstallationDate: Installed on 2015-11-05 (2291 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) SourcePackage: linux-signed-hwe-5.13 UpgradeStatus: Upgraded to focal on 2020-09-10 (520 days ago) modified.conffile..etc.apport.crashdb.conf: [modified] mtime.conffile..etc.apport.crashdb.conf: 2019-03-07T14:28:39.455024 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1960710/+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