Re: [ISSUE] [CLOSED] Nvidia kernel module fails to build on linux 6.7.3

[HO5DTOAT <HO5DTOAT@users.noreply.github.com>]

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Closed issue by HO5DTOAT on void-packages repository

https://github.com/void-linux/void-packages/issues/48504

Description:
### Is this a new report?

Yes

### System Info

Void 6.7.2_1 x86_64 GenuineIntel uptodate rrrrmmnFFFFFFFF

### Package(s) Affected

nvidia-535.154.05_1

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

It appears Nvidia is aware of the issue and will be releasing a fix.
https://forums.developer.nvidia.com/t/linux-6-7-3-545-29-06-550-40-07-error-modpost-gpl-incompatible-module-nvidia-ko-uses-gpl-only-symbol-rcu-read-lock/280908/24

### Expected behaviour

In post-install steps after kernel 6.7.3 is installed, the dkms modules are built. The nvidia kernel module should build without errors.

### Actual behaviour

The dkms module fails to build and the message "Building DKMS module: nvidia-535.154.05... FAILED!" is output.
![image](https://github.com/void-linux/void-packages/assets/101270121/f8080c9c-e561-4886-8d2b-32fead223154)

Checking the build log mentions about GPL symbols being used in the module.
![image](https://github.com/void-linux/void-packages/assets/101270121/34cd1e85-6cb7-4507-8eba-d43e7360add2)



### Steps to reproduce

1. Install dkms, the current nvidia drivers (535 series), and nvidia-dkms.
2. Upgrade kernel to 6.7.3 (need to be on the [linux-mainline](https://docs.voidlinux.org/config/kernel.html#switching-to-another-kernel-series) kernel series).
3. The post-install for dkms build for nvidia fails with an error message. 
`Building DKMS module: nvidia-535.154.05... FAILED!`
The build logs (/var/lib/dkms/nvidia/535.154.05/build/make.log) contain error messages about incompatible symbols.
 `ERROR: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol '__rcu_read_unlock'`
`ERROR: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol '__rcu_read_lock'`