Errors when loading nvidia drm with 6.8.0-50 (and 51)

[Juerg Haefliger]

On Sat, 21 Dec 2024 19:27:06 +0100
Mathieu Fluhr <mathieu.fluhr at gmail.com> wrote:

> Hello,
> 
> I have recently noticed that something seems to be wrong with recent 6.8.0
> kernels when initializing the NVIDIA proprietary driver (with both 535 and
> 550 releases).
> 
> Even if, on the surface, everything looks OK, when looking at the logs I
> can spot some weird errors which are not occurring when rolling back to
> 6.8.0-49. Furthermore (and this is how I detected those errors), the
> CustomEDID option that I have added to properly handle the bad EDID that my
> monitors sends seems now to be ignored... but the loading errors are also
> present if no custom edid option is passed.
> 
> I have attached a few logs for your reference, What I can see is that the
> /sys folder structure seems to have changed, and there some references to
> paths which are probed (seems to be related to fhis commit [1])
> 
> Looking at the diff between both releases on
> https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/ I
> was not really able to pinpoint the commit that triggered the whole
> issue... but I am happy to help making some more tests/debugging if needed.

Please open a bug report by running the following on the affected system.
$ ubuntu-bug linux

Thanks
...Juerg


> 
> Kind Regards,
> Mathieu
> 
> [1]
> https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/drivers/firmware/sysfb.c?h=Ubuntu-6.8.0-50.50&id=b841b049b713489e0db2469eb1604bae3c59e17a

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