Public bug reported: Recently, I have noticed an error about nvidia_drm logged several times on my kernel ring buffer output occasionally.
I am using the Nvidia driver version 470.82 on Ubuntu 20.04.03 LTS with kernel version 5.11.0-40-generic. My graphics card is RTX 2070 Mobile and I am using it via external G-SYNC monitor. Some output log describing the error from dmesg command: [16166.980676] [drm:nv_drm_master_set [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to grab modeset ownership [19268.970816] [drm:nv_drm_master_set [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to grab modeset ownership [19268.970930] [drm:nv_drm_master_set [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to grab modeset ownership ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: nvidia-driver-470 470.82.00-0ubuntu0.20.04.1 ProcVersionSignature: Ubuntu 5.11.0-40.44~20.04.2-generic 5.11.22 Uname: Linux 5.11.0-40-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed Nov 17 01:20:13 2021 InstallationDate: Installed on 2021-09-24 (53 days ago) InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819) SourcePackage: nvidia-graphics-drivers-470 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: nvidia-graphics-drivers-470 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1951166 Title: nvidia_drm error at the end of kernel ring buffer (dmesg) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-470/+bug/1951166/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs