I'm including my last email on this Grub problem (I think that's what it is). The problem exists still. I did find a syntax error that I thought might be the issue. I had this in the config file:

I was searching the how-tos, etc and the correct syntax has a dash and not a space between "48 generic" so "48-generic". I also changed 48 to 55, the last and most current of the 4.15s. Didn't change though it does allow a reboot, just doesn't reboot into anything but the splash screen. Booting on it's own boots a 4.18.x kernel with the improper and not reconfigurable resolution.

-------- Forwarded Message --------

Subject:	Re: [nmglug] RE weirder
Date:	Sat, 18 May 2019 21:12:59 -0600
From:	Brian O'Keefe <okeefe@cybermesa.com>
To:	nmglug@lists.nmglug.org

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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