RE: [gentoo-user] clone root from HDD to SSD causes no video with NVIDIA driver

[Raffaele BELARDI]

> -----Original Message-----
> From: J. Roeleveld <joost@××××××××.org>
> Sent: Monday, June 15, 2020 16:20
> To: gentoo-user@l.g.o
> Subject: Re: [gentoo-user] clone root from HDD to SSD causes no video with
> NVIDIA driver
>
> On Monday, June 15, 2020 9:56:39 AM CEST Raffaele BELARDI wrote:
> >   *   From: Dale <rdalek1967@×××××.com>
> >   *   Sent: Wednesday, June 10, 2020 08:02
> >   *   To: gentoo-user@l.g.o<mailto:gentoo-
> user@l.g.o>
> > *   Subject: Re: [gentoo-user] clone root from HDD to SSD causes no video
> > with NVIDIA driver
> >
> >      *   Raffaele BELARDI wrote:
> >      *   nomodeset did not change anything, but adding EFI_FB to the kernel
> > finally got me a functional console.
>  *   But if I startx from there I am
> > back again to the same point, no X, no console switching with CTR-ALT-Fn, *
> >   no crash in syslog, I have to SSH to get to a working shell. I'm not
> > getting anywhere, I think I'll better install from stage3.
> >
> >   *   Odds are, if you start from stage3, you will get the same problem
> > again unless you do something different.
>  *   When I first stated using
> > Gentoo, I didn't realize that one can restart a install pretty much
> > anywhere in the install. *   Starting over doesn't get you anything
> > different if you repeat the same steps.
> > Just to update: I tried all the hints received here with no luck.
> > Since others on this list managed to get uefifb working with the
> > NVIDIA driver I believe the problem could be my mobo/UEFI FW/GPU
> > combination. I found some rather old posts ([1], [2]) supporting this
> > hypothesis. For the moment I switched to nouveau.
>
> > Thanks again to all,
> >
> > raffaele
> >
> > [1]
> > https://forums.developer.nvidia.com/t/uefi-nvidia-vga-console-complain
> > ts/37
> > 690
>  [2]
> > https://forums.developer.nvidia.com/t/nvidia-devs-any-eta-on-fbdev-con
> > sole->
> mode-setting-implementation/47043
>
> Personally, I would not expect this to be related to mainboard firmware/bios
> issues as I have not had any issues with efifb and nvidia-drivers on several
> systems.

I still have some hopes, I intend to give NVIDIA another try later.
>
> What is your kernel-commandline?
>
> Mine is really simple:
> $ cat /proc/cmdline
> root=/dev/nvme0n1p3

root=/dev/sdb5 ro quiet raid=noautodetect

>
> I get the following in my dmesg for "efifb":
> ====
> [    8.717047] efifb: probing for efifb
> [    8.717061] efifb: framebuffer at 0xd1000000, using 3072k, total 3072k
> [    8.717062] efifb: mode is 1024x768x32, linelength=4096, pages=1
> [    8.717064] efifb: scrolling: redraw
> [    8.717065] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0
> [    8.719748] fb0: EFI VGA frame buffer device
> ====

Same here:
[    0.705019] efifb: probing for efifb
[    0.705029] efifb: framebuffer at 0xc0000000, using 3072k, total 3072k
[    0.705030] efifb: mode is 1024x768x32, linelength=4096, pages=1
[    0.705030] efifb: scrolling: redraw
[    0.705031] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0
[    0.705122] Console: switching to colour frame buffer device 128x48
[    0.706608] fb0: EFI VGA frame buffer device
 
> Which is nowhere near the real resolution my screen can handle, but for
> emergencies, this is definitely sufficient.
>
> For completeness, these are the entries for nvidia:
> ====
> $ dmesg | grep -i nvidia
> [   11.222893] nvidia: loading out-of-tree module taints kernel.
> [   11.222908] nvidia: module license 'NVIDIA' taints kernel.
> [   11.241368] nvidia-nvlink: Nvlink Core is being initialized, major device
> number 240
> [   11.241687] nvidia 0000:01:00.0: vgaarb: changed VGA decodes:
> olddecodes=io+mem,decodes=none:owns=io+mem
> [   11.283229] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  440.82
> Wed Apr
> 1 20:04:33 UTC 2020
> [   11.287732] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for
> UNIX platforms  440.82  Wed Apr  1 19:41:29 UTC 2020
> [   11.289189] [drm] [nvidia-drm] [GPU ID 0x00000100] Loading driver
> [   11.289191] [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:01:00.0 on
> minor 0
> [   11.861737] input: HDA NVidia HDMI/DP,pcm=3 as /devices/
> pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input28
> [   11.862152] input: HDA NVidia HDMI/DP,pcm=7 as /devices/
> pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input29
> [   11.979061] input: HDA NVidia HDMI/DP,pcm=8 as /devices/
> pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input30
> [   11.979134] input: HDA NVidia HDMI/DP,pcm=9 as /devices/
> pci0000:00/0000:00:03.0/0000:01:00.1/sound/card1/input31
> ====

I don't have these at the moment because I switched to noveau to stabilize the system, later I'll try again with NVIDIA.

> On a side-note, anyone know how to prevent these sound-devices from
> appearing?
> I never use these on this system.
>
> --
> Joost
>
>
>