在我的装有 Ubuntu 18.04.2. LTS（内核 4.19）的 Dell Latitude 5491 上，显卡硬件似乎有问题。
以前，我曾经在使用标准内核的 Ubuntu 安装过程中选择“安装第三方模块”选项，但内核冻结次数过多，几乎无法使用。
在当前安装中，没有第三方模块，一切都运行顺利，但是移到最新的上游内核后，我收到这些警告apt-get upgrade。
update-initramfs: Generating /boot/initrd.img-4.19.20-041920-generic
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/sig.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/image.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/desc.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/nvdec/scrubber.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_method_init.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_bundle_init.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_nonctx.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_ctx.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_sig.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_data.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_inst.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_bl.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_sig.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_data.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_inst.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_bl.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/ucode_unload.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/ucode_load.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/unload_bl.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/bl.bin for module nouveau
如何评估和解决这个问题？据我所知，新是一个最新的开源驱动程序，但我不知道如何继续。