On 11/1/22 16:46, Barry Scott wrote:

On 1 Nov 2022, at 11:53, greg <poisson02+fed...@gmail.com> wrote:

On Tue, Nov 1, 2022 at 4:15 AM Stephen Morris <samor...@netspace.net.au> wrote:
I've just managed to get the 6.0.5 kernel to load the nvidia driver.
There is potentially a defect in the akmod-nvidia (or relevant package)
scripts in that it seems that they no longer add the blacklisting
statements for nouveau into the kernel parameters in /etc/default/grub,
I had to put those statements in there manually before the nvidia driver
was loaded instead of the nouveau driver.
I think it is because it is no longer needed. My memory on this prompted by 
reply in another thread.
If nvidia fails to be available, not install or did not build, then nouveau is 
used.

Barry

/etc/default/grub - contains default kernel options
/boot/grub2/grubenv - has the line
saved_entry=<id>
        which refers to
/boot/loader/entries/<id>.conf
        which contains kernel options for the entry (which are actually used)
        which get modified when editing kernel options via grub menu (thus becom
ing persistent)

/etc/default/grub - contains the line
GRUB_ENABLE_BLSCFG=true
        which is documented at
https://fedoraproject.org/wiki/Changes/BootLoaderSpecByDefault

Things seem to be in quite a mess. The grub.cfg file is almost irrelevant with only the Windows chainloader stanza having any meaning. It doesn't get updated with new kernals. Only /boot/loader/entries/*.conf. With the appropriate entries in /boot and /boot/loader/entries/*.conf multiple fedora invocations and centOS8 show in the menu and are boot-able. Not sure where blscfg comes in to the process. Dynamic change is far out stripping documentation.

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