Likely related - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1919266
(hirsute, kubuntu) wallpaper issues on same box (used only for QA-tests/support) -- 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/1930945 Title: [nouveau] ubuntu desktop - changing display configuration lost wallpaper (trap messages filled dmesg) Status in linux package in Ubuntu: New Bug description: Ubuntu Desktop Impish daily test on - hp dc7700 (c2d-e6320, 5gb, nvidia quadro nvs 290) Changing display positions in settings. I have two monitors, one above the other (so not the default). I made change and it looked okay so I said keep. I noticed I was wrong having TOP/BOTTOM displays the wrong way (detected via mouse movements between displays) so I made another change of the TOP/BOTTOM displays in "DISPLAYS" of GNOME settings clicked apply again & keep... ** Expected Results On changing display orientation I expect wallpaper to be redrawn, or remain on screen ** Actual Results I now have BLUE background on both displays. (this was soon changing.. but that didn't occur until I tried to change wallpapers...) /var/crash is empty... operation appears normal; I lost background. lots of TRAP messages though fill `dmesg` ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: ubuntu-desktop 1.469 ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12 Uname: Linux 5.11.0-16-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu67 Architecture: amd64 CasperMD5CheckResult: pass CasperVersion: 1.461 CurrentDesktop: ubuntu:GNOME Date: Sat Jun 5 03:01:52 2021 LiveMediaBuild: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210604) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-meta UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1930945/+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