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452: out of range pointer:


From: Shaun
Subject: 452: out of range pointer:
Date: Sat, 18 Jan 2025 18:30:40 +0000
User-agent: eM_Client/10.1.4588.0

I'm building grub to be used as a kernel with qemu. The instances disk is flat, no partitioning just a file-system. My goal is to have grub load grub, it's configuration and modules from the disk. One reason for this is that RHEL based distros are now using the blscfg mod, so I need my grub kernel to use the installed version of grub on that disk so that no matter what linux distro is used it will use it's version of grub.


I Built grub 2.13 from source with the platform pc and target i386

I then built the kernel using

grub-mkimage -O i386-pc -o grub.img normal biosdisk ext2 -p '(hd0)/boot/grub'


With my testing this kernel has worked most of the time but i'm running into the following issue with once of my instances.

452: out of range pointer: 0xbfe8fbc0


I can't seam to figure out whats going wrong here. I'm wondering if it has something to do with the grub version i built being a bit newer than the version provided by the distribution.

Any idea what might be happening, or if there's a better way to load grub from the instances disk. Remember the disk is flat, no partitioning and no MBR.

--
Shaun





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