Re: nVidia: Loading out of tree module taints kernel problem.

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On 2020-05-22 11:19, linux guy wrote:
> Comments below.
>
> On Thu, May 21, 2020 at 9:03 PM Ed Greshko <ed.greshko@xxxxxxxxxxx <mailto:ed.greshko@xxxxxxxxxxx>> wrote:
>
>     On 2020-05-22 10:47, linux guy wrote:
>     > Isn't this interesting...
>     >
>     > # grub2-editenv list
>     > saved_entry=c1d3ebaecd08428ba86f4aba3749efca-5.6.13-300.fc32.x86_64
>     > boot_success=1
>     > kernelopts=root=/dev/mapper/fedora_localhost--live-root ro rd.lvm.lv <http://rd.lvm.lv> <http://rd.lvm.lv>=fedora/root rd.lvm.lv <http://rd.lvm.lv> <http://rd.lvm.lv>=fedora/swap rhgb quiet rd.driver.blacklist=nouveau modprobe.blacklist=nouveau nvidia-drm.modeset=1
>     > boot_indeterminate=1
>     >
>     >
>
>     Your kernelopts in the env don't match the /proc/cmdline.
>
>
> Yes.   How can that be ?

I don't know.  I too am not a "grub" person.

>
>     Can you boot and then check/edit the "linux" line?
>
>
> You mean cat  /proc/cmdline ?

No. When you boot, I seem to recall you're an Xfce user?, you have a choice of kernels to boot.
Hit "e" and it gets you to a screen to find the "linux" line and edit it.

This is a "temporary" edit that doesn't survive boots.

>
>
>     The most important part is "rd.driver.blacklist=nouveau modprobe.blacklist=nouveau nvidia-drm.modeset=1"
>
>
> Agreed.
>
>     And boot including those parameters? 
>
>
> How ?   I was comfortable with grub, but I'm lost with these new boot systems.
>
>     Also, you would want to check /var/cache/akmods/akmods.log to ensure the driver for the running
>     kernel is built.  The driver itself will be located in /usr/lib/modules/`uname -r`/extra/nvidia
>
>
> $ dnf list \*kmod\*

The suggestion to check the log was to look for....

2020/05/20 15:26:42 akmods: Building and installing nvidia-kmod
2020/05/20 15:26:42 akmods: Building RPM using the command '/sbin/akmodsbuild --kernels 5.6.13-300.fc32.x86_64 /usr/src/akmods/nvidia-kmod.latest'
2020/05/20 15:27:58 akmods: Installing newly built rpms
2020/05/20 15:27:58 akmods: DNF detected
2020/05/20 15:28:07 akmods: Successful.

>
> Also:
>
> $ ls /usr/lib/modules/`uname -r`/extra/nvidia
> nvidia-drm.ko  nvidia.ko  nvidia-modeset.ko  nvidia-uvm.ko

But they are there, so they were built

You may have to wait for others better prepared to diagnose/fix grub issues.


-- 
The key to getting good answers is to ask good questions.
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