Thank you for taking the time to report this bug and helping to make Ubuntu better. It sounds like some part of the system has crashed. To help us find the cause of the crash please follow these steps:
1. Look in /var/crash for crash files and if found run: ubuntu-bug YOURFILE.crash Then tell us the ID of the newly-created bug. 2. If step 1 failed then look at https://errors.ubuntu.com/user/ID where ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine. Do you find any links to recent problems on that page? If so then please send the links to us. 3. If step 2 also failed then apply the workaround from bug 994921, reboot, reproduce the crash, and retry step 1. Please take care to avoid attaching .crash files to bugs as we are unable to process them as file attachments. It would also be a security risk for yourself. ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete ** Bug watch added: gitlab.freedesktop.org/xorg/xserver/-/issues #1197 https://gitlab.freedesktop.org/xorg/xserver/-/issues/1197 ** Also affects: xorg-server via https://gitlab.freedesktop.org/xorg/xserver/-/issues/1197 Importance: Unknown Status: Unknown ** Also affects: nvidia-graphics-drivers-460 (Ubuntu) Importance: Undecided Status: New ** Summary changed: - HomeOffice & Un-/Docking: X11 crash on resume when docked to multi monitor + [nvidia] HomeOffice & Un-/Docking: X11 crash on resume when docked to multi monitor ** Tags added: focal multimonitor nvidia -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-drivers-460 in Ubuntu. https://bugs.launchpad.net/bugs/1935951 Title: [nvidia] HomeOffice & Un-/Docking: X11 crash on resume when docked to multi monitor Status in X.Org X server: Unknown Status in nvidia-graphics-drivers-460 package in Ubuntu: Incomplete Status in xorg-server package in Ubuntu: Incomplete Bug description: X11 crashes on resume and my current desktop is lost and the login manager appears. I posted a bugreported here https://gitlab.freedesktop.org/xorg/xserver/-/issues/1197 with configu details. But it seems to be nvidia, but may be a workaround is possible in Ubuntu? This bug prevents me to use Linux for daily docking /undocking cycles for HomeOffice (works fine with Windows). [ 1272.639] (II) NVIDIA(0): Setting mode "DP-4: nvidia-auto-select @1920x1080 +0+0 {ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}" [ 1272.639] (WW) NVIDIA(0): Failed to set the display configuration [ 1272.639] (WW) NVIDIA(0): - Setting a mode on head 1 failed: Invalid surface parameters [ 1272.639] (WW) NVIDIA(0): were specified [ 1272.639] (EE) NVIDIA(0): Failed to enter VT (mode initialization failed) [ 1272.639] (EE) Fatal server error: [ 1272.639] (EE) EnterVT failed for screen 0 [ 1272.639] (EE) [ 1272.639] (EE) Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 1272.639] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information. [ 1272.639] (EE) [ 1274.034] (EE) Server terminated with error (1). Closing log file. I found something similar which could handle the EnterVT failed issue: https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/443/ but I am not sure if it is already in Ubuntu 20.04 LTS Hardware: Hardware used: Dell Precision 15" 7540, Xeon E-2286M@2.4GHz, 128 GB ECC RAM, NVIDIA Quadro RTX 5000 16GB VRAM Dockingstations at Home and Offices: WD19DC (240W) Monitors used for Linux migration Office1: 2x 4K U4320Q, 42.5" @ 96dpi font / No scaling a Monitors used for Linux migration Office2: 2xU3818DW, 37.5" Monitors used for Linux migration at home: 3x FullHD Dell monitors To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1935951/+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