Re: [Test-Announce] Kernel 6.7 Test Week is underway!

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On Thu, Feb 1, 2024 at 1:45 AM Leigh Scott <leigh123linux@xxxxxxxxx> wrote:
>
> Kernel-6.7.3 still has debugging enabled which will break the nvidia driver

This is not accurate.  The 6.7.3 (and 6.6.15) updates did break the
nvidia driver. It has nothing to do with debugging being enabled.   A
proper and valid bugfix:

5ec8e8ea8b7783fab150cf86404fc38cb4db8800 mm/sparsemem: fix race in
accessing memory_section->usage

added calls to rcu_read_lock() and rcu_read_unlock() which use symbols
that are exported GPL only. This was not some attempt to stab at
nvidia, but their non-GPL module is failing as a result because that
bug fix now pulls those calls into their driver build.  Some people
have suggested removing the EXPORT_SYMBOL_GPL on these symbols and
leaving them as regular exports.  That is not a valid fix for Fedora
to carry for many reasons.  I will leave 6.7.3 in updates testing for
a while to give nvidia some time to come up with a work around, but at
some point things have to move forward, and I will not hold non nvidia
users bugfixes hostage because of an out of tree driver, this has
always been Fedora's policy.

Justin

> https://bugzilla.rpmfusion.org/show_bug.cgi?id=6859
>
> https://forums.developer.nvidia.com/t/linux-6-7-beta-550-40-07-error-modpost-gpl-incompatible-module-nvidia-ko-uses-gpl-only-symbol-rcu-read-lock/280908
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