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Re: nouveau on old NV GPUs

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Van Snyder composed on 2024-07-04 13:24 (UTC-0700):

> The solution did indeed allow to install the driver. But.... it removed
> at least KDE, and now it won't enter run level 5. I added
> nouveau.modeset=0 to the "linux" line in grub.cfg, but it's still
> running the nouveau driver, or at least that's what inxi -G reports:

> # inxi -G
> Graphics:
> Device-1: NVIDIA G86M [GeForce 8400M GS] driver: N/A
> Device-2: OmniVision OV2640 Webcam driver: uvcvideo type: USB
> Display: unspecified server: X.org v: 1.21.1.7 with: Xwayland v: 24.1.0
> driver: X: loaded: modesetting unloaded: fbdev,vesa dri: nouveau gpu:
> N/A
> API: EGL v: N/A drivers: N/A platforms: N/A
> API: OpenGL Message: GL data unavailable for root.

inxi -G doesn't report much. For troubleshooting is needed the works: inxi -GSaz,
to include the kernel command line, to exclude privates, and show everything inxi
understands about graphics that isn't a privacy concern. If using the version
released with Bookworm, you're not getting a complete picture. It's had more
defect fixes for G since last year. It's upgradable with its -U switch if you
override the override that disables -U in /etc/inxi.conf. The current version is
about 2 weeks old. If using Bullseye's version, -G is very broken.

Disabling KMS, denying the loading of the nouveau kernel module, by including
nomodeset or nouveau.modeset=0, guarantees neither nouveau display driver nor the
default display driver modesetting can work, thus leaving you with 1280x1024 or
worse, such as no X at all, or even no video at all.

> I tried "apt install kde\*" but it refused, saying "you have held
> broken packages."

Plasma is demanding. I'm not sure it or SDDM or Wayland can run without KMS
enabled, unless a proprietary NVidia driver can be used. Tesla models need not
attempt using NVidia drivers. I think the same can be said of Fermis.

> I've been told that Mint includes NVidia drivers, so I'll try that

Mint is due very soon for a new release based on Ubuntu 24.04. That's unlikely to
help users of old NVidia GPUs.
-- 
Evolution as taught in public schools is, like religion,
	based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata

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Thread

  Re: Re: nouveau on old NV GPUs (was: NVidia 340 video driver in Bookworm?) Hans <hans.ullrich@loop.de> - 2024-07-03 23:30 +0200
  Re: Re: nouveau on old NV GPUs (was: NVidia 340 video driver in  Bookworm?) Van Snyder <van.snyder@sbcglobal.net> - 2024-07-04 22:30 +0200
      Re: nouveau on old NV GPUs (was: NVidia 340 video driver in Bookworm?) Hans <hans.ullrich@loop.de> - 2024-07-04 23:00 +0200
    Re: Re: nouveau on old NV GPUs (was: NVidia 340 video driver in  Bookworm?) "Andrew M.A. Cater" <amacater@einval.com> - 2024-07-04 23:00 +0200
    Re: nouveau on old NV GPUs Felix Miata <mrmazda@stanis.net> - 2024-07-05 01:10 +0200

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