Brian, I think you are over working default/grub, especially on video. I've attached a comparison of my default/grub and Display settings in Xubuntu 18.04. I see that the grub video references 'graphical terminal' and 'VBE' . I suggest you try the default setting for Grub graphics. this might really improve your boot. The bootloader is not a full system and it may not have resources for the massive graphics you are requesting. Have you run 'vbeinfo' in the grub environment? You may be able to do that, though it may not run in grub2 or with EFI. I would review your changes to grub and undo what you have done there to just get the bootloader doing its job. Then you can use Display settings to enhance the GUI on your desktop.
Give it a try. Thank you, Ted P.

On Sat, May 18, 2019 at 9:13 PM Brian O'Keefe <okeefe@cybermesa.com> wrote:

Hi a,

I finally got around to this and implemented your suggestions. I' including my grub file as it now exists. After implementing the changes my machine shuts down in a reboot but loads only the splash screen and no further. If I boot it as opposes to reboot, I get the newer kernel and the bad graphics. If I choose, manually, the 4.15.0-48 kernel, it boots normally with the proper resolution. Here's my grub file and thanks again!

Brian


# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

#GRUB_DEFAULT="0"
GRUB_DEFAULT="Ubuntu, with Linux 4.15.0-48 generic"
GRUB_TIMEOUT_STYLE="hidden"
GRUB_TIMEOUT="0"
GRUB_DISTRIBUTOR="`lsb_release -i -s 2> /dev/null || echo Debian`"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
GRUB_DISABLE_OS_PROBER=true

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL="console"

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
GRUB_GFXMODE="1366x768"

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID="true"

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
GRUB_INIT_TUNE="480 440 1"


On 4/25/19 6:33 PM, Alucard wrote:
Hi Brian,

If you are able to get to a x session (GUI) I would adjust grub with grub-customizer. You can do this from command line, however, it would mean adjusting /etc/grub.d files.

sudo add-apt-repository ppa:danielrichter2007/grub-customizer ; sudo apt update ; sudo apt install grub-customizer ; grub-customizer

https://www.fosslinux.com/4300/how-to-edit-grub-bootloader-and-remove-unwanted-entries-in-ubuntu.htm

However, I would probably would just tell grub to not display the menu. As long as you're going to manually enter the GRUB_DEFAULT option in /etc/default/grub

I also forgot to tell you to run update-grub after you edit /etc/default/grub

So this is what you should do.
sudo cp -p -v /etc/default/grub /etc/default/grub.bak
sudo  nano /etc/default/grub
(Change GRUB_DEFAULT=0 to GRUB_DEFAULT="Ubuntu, with Linux 4.15.0-48 generic" ) (Make sure you include the double quotes, "")
(Also add this any where in the same file, just make sure it has it's own line to itself, GRUB_DISABLE_OS_PROBER=true ) (Ctrl + O then Ctrl + X to save and exit)
sudo update-grub
sudo systemctl reboot

That should force that particular kernel to load on it's own, without a grub menu at boot time.

Jared


On 4/25/19 5:54 PM, Brian O'Keefe wrote:

Many thanks Jared,

I will give this a shot tomorrow. I don't think it will fix the restart issue but perhaps this kernel is magical. I will find out. Any idea why my user name would show up in the Bios boot order? Do you think it's something I could delete safely?

Cheers

Brian

On 4/25/19 5:40 PM, Alucard wrote:
Hi Brian,

I think this should work.

sudo cp -p -v /etc/default/grub /etc/default/grub.bak
sudo  nano /etc/default/grub
(Change GRUB_DEFAULT=0 to GRUB_DEFAULT="Ubuntu, with Linux 4.15.0-48 generic" ) (Make sure you include the double quotes, "") (Ctrl + O then Ctrl + X to save and exit)
sudo systemctl reboot

See if that will do what you're asking. TBH I'm use to systemd-boot, not grub. It's been a while since I've used grub. If that change broke things, you can move the grub.bak file back to /etc/default/grub

Jared

On 4/25/19 5:18 PM, Brian O'Keefe wrote:

I tried a bunch of fixes but found one that worked! I edited / "etc/default/grub" and manually changed the screen resolution to 1366x768. that may have worked so I shutdown (hard) and booted (after, once again, moving my user name down in the boot order in the Bios) and successfully bringing up the Grub menu. I arbitrarily picked 4.15.0-48 generic and lo and behold Wifi, sound, resolution, xrandr output shows many screen res. options and things seem to be ok, for now. I would like this kernel to be the first choice for booting. I'm sure there is a simple way to do this. can anyone enlighten me? I would really appreciate it but I can also search and I'm sure there is a solution to be found.

Talk about Ghosts in the Shell!!

Thanks for your indulgences!

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