VRAM management is still the worst on this driver version and trying to open a game or program on that will most likely fill the VRAM on Wayland will kill every process using the GPU (The game running, the compositor, everything) with the error Failed to allocate NVKMS memory for GEM object on dmesg:
...
[ 2660.476282] [drm:nv_drm_gem_alloc_nvkms_memory_ioctl [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to allocate NVKMS memory for GEM object
[ 2660.476656] [drm:nv_drm_gem_alloc_nvkms_memory_ioctl [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to allocate NVKMS memory for GEM object
[ 2660.516913] kwin_wayland[1743]: segfault at 10 ip 00007a47a78d87e4 sp 00007fff2a96bee8 error 4 in libkwin.so.6.0.5[7a47a7547000+52b000] likely on CPU 0 (core 0, socket 0)
[ 2660.516925] Code: 00 00 00 0f 1f 00 f3 0f 1e fa 48 8b 47 10 48 8b 38 ff 25 6f 0d 34 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa <48> 8b 47 10 48 8b 00 c3 0f 1f 40 00 f3 0f 1e fa 48 8b 47 10 48 8b
[ 2660.942238] flatpak[1184927]: segfault at f0 ip 0000620431525b11 sp 00007ffebea55990 error 4 in flatpak[6204313d4000+153000] likely on CPU 0 (core 0, socket 0)
[ 2660.942248] Code: e9 02 f4 ed ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 41 54 48 63 c2 48 63 f6 55 53 48 8b 17 <48> 8b 14 f2 48 85 d2 74 7f 48 8b 12 48 8b 12 48 8b 1c c2 48 85 db
I already made a thread about this issue almost a year ago: Non-existent shared VRAM on NVIDIA Linux drivers
I will test this on my Laptop with a 3070 (8GB of VRAM).
I beg you, please fix this VRAM issue, is the only driver without shared RAM with the system.