Hi, > buffer. I tried to put a dma_sync_sg_for_device() on virtio_gpu_object obj->pages-sgl > before VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D is sent. This fixes the kernel console path. That should be the right place. > Once display manger is kicked off for example (sudo systemctl start lightdm.service) and > resource id 3 gets created from user space down, it still gives a blank black screen. Hmm. I'd suspect there is simply a code path missing. Can you send the patch you have? cheers, Gerd _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization