Found the source of the v4l warnings; I was experimenting with v4lloopback to use a camera as webcam. Disabled that and it's gone away.
Unfortunately, /var/crash is empty and I didn't see any report from the right time in the errors webpage. After applying the change to add "Crash" to the crashdb.conf, I still don't see a crash dump in /var/crash after repro. However, I did find that the problem only repros in NVIDIA PRIME mode, not Intel. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1899766 Title: Xorg freeze after selecting large cursor Status in nvidia-graphics-drivers-435 package in Ubuntu: Incomplete Status in xorg-server package in Ubuntu: Incomplete Bug description: After selecting the largest cursor in accessibility settings, the whole system froze. I had to use Magic SysRq to reboot the system. After reboot, the login screen was OK but after logging in it would immediately freeze again. Workaround: from login screen, switch to a VT with Ctrl-F2, log in and run dconf reset /org/gnome/desktop/interface/cursor-size I was playing with the cursor size because I see different cursor sizes in different apps and it was annoying me. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 NonfreeKernelModules: lkp_Ubuntu_5_4_0_48_52_generic_72 nvidia_modeset nvidia .proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0000:01:00.0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.suspend: suspend hibernate resume .proc.driver.nvidia.suspend_depth: default modeset uvm .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 435.21 Sun Aug 25 08:17:57 CDT 2019 GCC version: gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2) ApportVersion: 2.20.11-0ubuntu27.8 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Wed Oct 14 11:25:23 2020 DistUpgraded: 2020-05-02 16:08:06,720 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py' DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes GpuHangFrequency: This is the first time GraphicsCard: Intel Corporation UHD Graphics 630 (Mobile) [8086:3e9b] (prog-if 00 [VGA controller]) Subsystem: Dell UHD Graphics 630 (Mobile) [1028:087d] Subsystem: Dell GP107GLM [Quadro P2000 Mobile] [1028:087d] InstallationDate: Installed on 2018-12-11 (672 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) MachineType: Dell Inc. Precision 5530 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-48-generic root=/dev/mapper/ubuntu--vg-root ro mem_sleep_default=deep resume=/dev/disk/by-uuid/01f98d09-5f44-4469-904b-c976fbd46d96 quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg freeze UpgradeStatus: Upgraded to focal on 2020-05-02 (164 days ago) dmi.bios.date: 07/09/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.17.1 dmi.board.name: 0FP2W2 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.17.1:bd07/09/2020:svnDellInc.:pnPrecision5530:pvr:rvnDellInc.:rn0FP2W2:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Precision dmi.product.name: Precision 5530 dmi.product.sku: 087D dmi.sys.vendor: Dell Inc. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.8-0ubuntu1~20.04.1 version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-435/+bug/1899766/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
