NVIDIA DKMS not building on LTS Kernel

General system Kernel, boot, graphics & hardware
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Hello,
After updating today my nvidia dkms module will not build on my 5.15.23-1-lts kernel.

DKMS log:
https://clbin.com/Ur6jL

It seems like there is something wrong with my installed version of GCC, but I am not sure how to proceed. The same process worked fine with 5.16.9-arch1-1 so it seems isolated to the LTS kernel.

System info:
https://clbin.com/wz18v

Thanks in advance.

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warning: the compiler differs from the one used to build the kernel
  The kernel was built by: gcc (GCC) 11.2.0
  You are using:           cc (GCC) 11.2.0

The version is correct, but the executable is different. Do you have some custom compiler path or override, or are using something like ccache?

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Seems something is wrong with that kernel build.

Same error here (not NVIDIA, but all my dkms modules fail to build with the same error).

The funny thing is that I can still build modules for my custom compiled kernel which was built with gc 11.1 and does not match the currently installed gcc 11.2 :thinking:

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You got a bunch of Arch users reporting a similar issue here with the recent toolchain update, though I’m not sure what to make of it all yet at the moment, I’m just reading along:

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It’s strange, but I don’t see any problem with the toolchain. For me with GCC 11.2 installed, DKMS modules didn’t build for linux-mainline built against GCC 11.1, but built fine with linux-mainline compiled against GCC 11.2 - which is what you’d expect.

All DKMS modules built fine against linux-zen 5.16.9.zen1-1 (which is also built with GCC 11.2).

This might imply a partial upgrade situation on those systems having problems (e.g. out-of-sync mirror)…

I guess I should test linux-lts… :grin:

Edit: confirm the issue is with linux-lts. Other kernels seem unaffected.

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Just installed the zen one out of curiosity. Modules build fine for that one as well here…

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According to one of the pacman devs,

Edit: it appears there was a change in gcc before release and only main linux package was rebuilt. The rest are on the way.

So be on the lookout for another kernel update for main/zen/lts in the very near future as well. I’ll probably be itching to update first thing in the morning tomorrow, I don’t think I’ll be able to patiently wait till Friday anymore heh heh :stuck_out_tongue:

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