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Missing firmware dependencies in iwlwifi module?

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Hello,

the iwlwifi module seems to be missing firmware dependencies on some
"pnvm" files.  At least, the module crashes at boot of the pnvm file
corresponding to the ucode file isn't present, but "modinfo -F firmware
iwlwifi" does not list the pnvm files:

$ uname -r
6.7.1-arch1-1
$ ls /usr/lib/firmware/iwlwifi-*.pnvm.zst
/usr/lib/firmware/iwlwifi-gl-c0-fm-c0.pnvm.zst  
/usr/lib/firmware/iwlwifi-so-a0-gf4-a0.pnvm.zst
/usr/lib/firmware/iwlwifi-ma-b0-gf4-a0.pnvm.zst 
/usr/lib/firmware/iwlwifi-so-a0-gf-a0.pnvm.zst
/usr/lib/firmware/iwlwifi-ma-b0-gf-a0.pnvm.zst  
/usr/lib/firmware/iwlwifi-ty-a0-gf-a0.pnvm.zst
$ modinfo -F firmware iwlwifi | rg pnvm

I stumbled over this while building a system image with mkosi.  To
minimze image size I was removing unneeded modules from the image, and
mkosi automatically removed firmware files no longer needed according
to "modinfo".  

The image failed to boot, with iwlwifi complaining about a missing pnvm
file (I'm sorry but I don't have the actual error message at hand
anymore).  After manually adding the pnvm file to the image, it booted
successfully.

See https://github.com/systemd/mkosi/issues/2334 for the mkosi bug
report.

This is my first mail to this list, and to any kernel mailing list
really, so I'm sorry if it's missing information or is somehow
inappropriate.

I'm not subscribed to this list, so please keep me CC'ed if you need
further information.

Cheers,
Sebastian Wiesner





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