Kernel Panic at Boot (Account Services) & Changing the Grub Boot Menu Order

[noir.virgil]

Hello,

I kindly was referred to this user group, from github for help with a kernel issue (ISSUE#5272).

Computer boots Linux 4.14.74-1 normally. No issues.

Linux 4.19.67-1 or 5.2.11-1 kernel upgrades cause the CPU to freeze and forces a reboot once the Boot reaches "Account Services" just before the xfce login page appears.

If it does manage to boot, the CPU freezes completely at the shutdown command. I have tried:

-Updating with all Repo enabled

-Adjusting memory and VM options at boot

-Updating to kernel-latest for newer hardware

-Reinstalling Qubes 4.0.1

I believe at this point, it's just hardware and I can't do anything. I'm not sure how to pull logs for this issue.

I was hoping someone knew if the GRUB Boot Menu (Legacy BIOS) order could be changed.

How may I boot Xen 4.8.5-7.fc25 and Linux 4.14.74-1.pvops.qubesx86_64 automatically instead of having to select it in advanced options every time?

Thanks for taking time to read.

[awokd]

'noir.virgil' via qubes-users:

> I was hoping someone knew if the GRUB Boot Menu (Legacy BIOS) order could be changed.
> How may I boot Xen 4.8.5-7.fc25 and Linux 4.14.74-1.pvops.qubesx86_64 automatically instead of having to select it in advanced options every time?

I thought there were steps detailing this somewhere, but can't locate.
Anyways:
go to dom0 terminal
awk -F\' '/menuentry / { print i++, $2}' /boot/grub/grub.cfg
sudo grub2-set-default ### [whichever number you want, or the full text
string here in quotes]

Once you get a working kernel or boot options, you can return default to
default with:
sudo grub2-set-default 0

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[awokd]

awokd:

> 'noir.virgil' via qubes-users:
>
>> I was hoping someone knew if the GRUB Boot Menu (Legacy BIOS) order could be changed.
>> How may I boot Xen 4.8.5-7.fc25 and Linux 4.14.74-1.pvops.qubesx86_64 automatically instead of having to select it in advanced options every time?
>

> [sudo grub2-set-default steps]
>
Thought I had this working yesterday, but when I went to document it, it
refused to cooperate. If the previous steps didn't work for you, try the
grub section here instead:

https://github.com/awokd/qubes-doc/blob/patch-5/user/common-tasks/software-update-dom0.md#changing-default-kernel