NVRM: The NVIDIA probe routine was not called for 1 device(s) - how to fix?

[Steven Robbins]

I have recently discovered that kern.log is full of instances of the following 
diagnostic:

[   15.708329] nvidia-nvlink: Nvlink Core is being initialized, major device 
number 236
[   15.708334] NVRM: The NVIDIA probe routine was not called for 1 device(s).
[   15.709177] NVRM: This can occur when a driver such as: 
               NVRM: nouveau, rivafb, nvidiafb or rivatv 
               NVRM: was loaded and obtained ownership of the NVIDIA 
device(s).
[   15.709178] NVRM: Try unloading the conflicting kernel module (and/or
               NVRM: reconfigure your kernel without the conflicting
               NVRM: driver(s)), then try loading the NVIDIA kernel module
               NVRM: again.
[   15.709178] NVRM: No NVIDIA devices probed.


I run debian/unstable and this has been happening for at least a month.  

Using " lsmod|grep nouveau", I can confirm that the nouveau driver is loaded.  
Google and chatgpt suggest to remove or disable the nouveau.  I can't remove 
it because it is being used by a dozen other things at present.

I assume the idea is that it should be blacklisted.  Indeed, I have a file that 
indicates it should be blacklisted:

$ cat /etc/nvidia/current/nvidia-blacklists-nouveau.conf 
# You need to run "update-initramfs -u" after editing this file.

# see #580894
blacklist nouveau

However, as noted above, nouveau is indeed loaded by something at boot time.  
Now my questions begin:

Q0.  Am I right to assume that I need to (re-)enable the nouveau blacklist?

Q1.  I've used the proprietary drivers for years, and never had to manually 
run "update-initramfs".  Has something changed such that I need to do this?

Q2.  There is no "update-initramfs" on my system.  Google suggests it is part 
of "initramfs-tools".  However, attempting to install that will remove 
"dracut", which appears to be itself a tool for creating a ramfs?  I didn't 
consciously choose dracut so I  presume it has superceeded initramfs?  Is 
there a "dracut" equivalent of "update-initramfs -u"?

Q3.  Assuming dracut is indeed replacing the other system, is there a command 
missing in some package postinstall to do the needed magic?


Many thanks for any pointers you can provide.

-Steve
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