This sounds like a simple bug in nvidia-drm-470 or kernel 5.13. Both have been upgraded in Ubuntu 22.04 already so there's a chance this issue is already fixed.
Still, please follow the instruction in comment #7 because I would like to understand more about the system. ** Changed in: mutter (Ubuntu) Status: Confirmed => Opinion -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1960865 Title: System freeze when plugging USB-C monitor into a hybrid Intel/Nvidia laptop: [drm:__nv_drm_gem_nvkms_memory_prime_get_sg_table [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to get memory pages for NvKmsKapiMemory To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1960865/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs