Re: How do I change the grub kernel boot parameters in F32 ?

linux guy <linuxguy123@xxxxxxxxx> · Tue, 9 Jun 2020 19:14:23 -0600

Changed     GRUB_ENABLE_BLSCFG=true  to false.

# grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.6.16-300.fc32.x86_64
Found initrd image: /boot/initramfs-5.6.16-300.fc32.x86_64.img
Found linux image: /boot/vmlinuz-5.6.14-300.fc32.x86_64
Found initrd image: /boot/initramfs-5.6.14-300.fc32.x86_64.img
Found linux image: /boot/vmlinuz-5.6.13-300.fc32.x86_64
Found initrd image: /boot/initramfs-5.6.13-300.fc32.x86_64.img
Found linux image: /boot/vmlinuz-0-rescue-c1d3ebaecd08428ba86f4aba3749efca
Found initrd image: /boot/initramfs-0-rescue-c1d3ebaecd08428ba86f4aba3749efca.img
Adding boot menu entry for EFI firmware configuration

# grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.6.16-300.fc32.x86_64
Found initrd image: /boot/initramfs-5.6.16-300.fc32.x86_64.img
Found linux image: /boot/vmlinuz-5.6.14-300.fc32.x86_64
Found initrd image: /boot/initramfs-5.6.14-300.fc32.x86_64.img
Found linux image: /boot/vmlinuz-5.6.13-300.fc32.x86_64
Found initrd image: /boot/initramfs-5.6.13-300.fc32.x86_64.img
Found linux image: /boot/vmlinuz-0-rescue-c1d3ebaecd08428ba86f4aba3749efca
Found initrd image: /boot/initramfs-0-rescue-c1d3ebaecd08428ba86f4aba3749efca.img
Adding boot menu entry for EFI firmware configuration
done

Rebooted.  No change to the grub kernel parameters.

On Tue, Jun 9, 2020 at 6:11 PM Stephen Morris <samorris@xxxxxxxxxxxxxxx> wrote:

    On 10/6/20 8:53 am, linux guy wrote:

      I've run Nvidia drivers since the RH8 days, back in
        the early 2000s.  Same experience.  This is the first time I've
        had this issue. 

        On Tue, Jun 9, 2020 at 4:31 PM
          Joe Zeff <joe@xxxxxxx> wrote:

        On
          06/09/2020 02:40 PM, linux guy wrote:

          > So both grubby and /etc/default/grub are set up correctly
          to run the 

          > nvidia driver by blacklisting the nouveau driver.

          > 

          > But when I boot and edit the grub menu (with e), the
          kernal parameter 

          > entries lack the blacklisting of the nouveau driver.

          I used nVidia cards for over a decade with the drivers from
          rpmfusion 

          and I never had to explicitly blacklist the noveau drivers.  I
          think 

          that the best way to go is to install the drivers and see what
          happens. 

          If they Just Work, leave well enough alone and Be Happy.  If
          they don't 

          work right, then it's time to try things such as blacklisting.

    if in /etc/default/grub you have the entry  
    GRUB_ENABLE_BLSCFG=true   , that inserts a line into the grub
    processes to use the new BLS standard, in which case grub2-mkconfig
    and possibly grubby do nothing until that entry is set to false. I
    have always use grub2-mkconfig because I have never liked what
    grubby generated, and what BLS generates appears to be the same as
    what grubby does, and I found that I had to set that entry to false
    for grub2-mkconfig to continue to work.

    regards,

    Steve

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