I’m running into this on open drivers as well. Seems to be happening randomly.
Main monitor: 1080p, 144Hz, DP
Secondary monitor: 1080p, 60Hz, HDMI
[15108.516543] NVRM: nvAssertFailedNoLog: Assertion failed: CliGetEventInfo(rpc_params->hClient, rpc_params->hEvent, &pEvent) @ kernel_gsp.c:463
[15108.516551] NVRM: _kgspProcessRpcEvent: Failed to process received event 0x1003 (POST_EVENT) from GPU0: status=0x57
[15308.895094] [drm:nv_drm_atomic_commit [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000700] Flip event timeout on head 1
[15312.031036] [drm:nv_drm_atomic_commit [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000700] Flip event timeout on head 1
nvidia-bug-report.log.gz (654.9 KB)