我收到警告说缺少 nvidia 固件，并且每天都会在我的 Ubuntu 18.04 系统上提示更新和重启。我缺少的是什么，没有升级。
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
linux-headers-5.0.0-32 linux-headers-5.0.0-32-generic
linux-image-5.0.0-32-generic linux-modules-5.0.0-32-generic
linux-modules-extra-5.0.0-32-generic
Use 'sudo apt autoremove' to remove them.
The following packages will be upgraded:
linux-firmware
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/72.0 MB of archives.
After this operation, 56.9 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 239912 files and directories currently installed.)
Preparing to unpack .../linux-firmware_1.173.12_all.deb ...
Unpacking linux-firmware (1.173.12) over (1.173) ...
Setting up linux-firmware (1.173.12) ...
update-initramfs: Generating /boot/initrd.img-5.0.0-36-generic
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/desc-1.bin for module nouveau
update-initramfs: Generating /boot/initrd.img-5.0.0-35-generic
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/desc-1.bin for module nouveau
update-initramfs: Generating /boot/initrd.img-5.0.0-32-generic
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp107/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp106/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp104/sec2/desc-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/sig-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/image-1.bin for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gp102/sec2/desc-1.bin for module nouveau