Problem with nvidia fbdev for kernel 6.14-rc3

Support Graphics & Display
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1

Hi,I’m testing 6.14-rc3 kernel , nvidia driver 570.86.16 witch close module. It looks like again problem with nvidia fbdev.

sudo cat /sys/module/nvidia_drm/parameters/fbdev
return No such file or directory

i use linux614-nvidia package witch nvidia_drm.modeset=1 nvidia_drm.fbdev=1 in grub (I know that these values should be used by default in the modern driver, but I still left them here)

some boot log and lsmod. Actually there are no errors, but I have additionally left it if that would be useful.

Kernel: 6.14.0-rc3-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 14.2.1

Graphics:
Device-1: NVIDIA GA104 [GeForce RTX 3060] driver: nvidia v: 570.86.16
non-free: 550/565.xx+ status: current (as of 2025-01; EOL~2026-12-xx)
arch: Ampere code: GAxxx process: TSMC n7 (7nm) built: 2020-2023 pcie:
gen: 2 speed: 5 GT/s lanes: 16 link-max: gen: 4 speed: 16 GT/s ports:
active: none off: HDMI-A-1 empty: DP-1,DP-2,DP-3 bus-ID: 29:00.0
chip-ID: 10de:2487 class-ID: 0300
Display: wayland server: X.org v: 1.21.1.15 with: Xwayland v: 24.1.5
compositor: kwin_wayland driver: X: loaded: nvidia
gpu: nvidia,nvidia-nvswitch display-ID: 0

This problem is repeated for every new kernel since version 6.11. But usually fix by user or maintainer patch. Some old fix topic:
DRM fbdev / Wayland presentation support with Linux kernel 6.11 and above - Linux - NVIDIA Developer Forums fbdev parameter is not available on Linux 6.13-rc1 · Issue #749 · NVIDIA/open-gpu-kernel-modules · GitHub.
Is there a chance that the fix will be created before the kernel is released ?

Thank you!

2

Why would you do that? Manjaro is not Arch and its kernels are entirely the responsibility of @Manjaro-Team .

4

Sorry, can’t reproduce. I’ve been using the fbdev feature since it was first introduced and never had an issue.

EDIT: To clarify since you clarified, I meant I can’t reproduce on recent stable and LTS kernels–I have not tested 6.14-rcX. There may be bugs, it’s still an early release candidate.

Then neither Manjaro nor Arch can help you as you are in a completely unsupported configuration.

Please see Official repositories - ArchWiki

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7

@Metam0rph0sis

Please read my reply above. It seems you missed a few things. :wink:

8

@Yochanan
I have already disabled all external repositories, rolled back versions of packages and rebooted the system, this did not change the situation.
I provided all the information about the kernel, video card and driver.
Is there anything else that will be useful?

journalctl --boot=-1 --priority=3 --catalog --no-pager

and

sudo dmesg

do not report errors, except for xdg-portal error
Please don’t make me publish logs on pastebin, it will break my heart. :no_mouth:

Perhaps the original text was misleading. The problem is only reproduced on current 6.14 rc kernel, I can use version 6.13 without problems but I need some changes from 6.14 kernel.

9

:+1:

The topic is now public again.

11

@Yochanan
You previously wrote that you cannot reproduce the problem. Did you use linux614-nvidia or nvidia-dkms? Could have added additional grub parameters besides nvidia_drm.modeset=1 nvidia_drm.fbdev=1 ? close or open module ?

I have tested the closed and open module, both lead to the same result

12

I edited my post above after you made your edits. :wink:

13

fixed in 570.124.04

14

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