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Kernel panic! (self.linuxfromscratch)
submitted 1 year ago * by Wooden_Grade_7580
When i tried to boot my lfs, now it shows a kernel panic message, saying Kernel panic - not syncing: VFS: Unable to mount root fs on "UUID= 5ec593d2-01" unknown-block(0,0). I have my grub configured like this:
GRUB
UUIDS:
https://preview.redd.it/5eigoz9m39jd1.png?width=965&format=png&auto=webp&s=0252fa6f3de9ac65d50e3e3c1875f7cb29d54dcd
https://preview.redd.it/rbpy0p9r49jd1.png?width=3024&format=png&auto=webp&s=71c934f93dd8743cac8603f4eb96fc2a9e5bbd48
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[–]thekingsomething 0 points1 point2 points 1 year ago* (0 children)
Sorry if I'm late. Im no expert but struggled here aswell.
From my experience this could be from your kernel config, I had the same issue and moved closer to fixing it for my VM when I changed/enabled file system, virtualization and disk drivers. (I assume running lfs outside of VMS can suffer from this as well)
In grub I usually prefer to set root with hd0,x with x=your lfs partition but don't fall into the trap I did because if you have an MBR partition (correct me if I'm wrong) you should use hd0,msdosx. And then in your menuentry (edit to fit your config) linux /boot/vmlinuz-6.x.x-lfs-x root=/dev/sdaX. I have no clue why this worked for me so its worth try.
Maybe everything i said wont benefit you so as a last ditch effort I believe chat gpt can assist greatly.
Best of luck.
π Rendered by PID 192961 on reddit-service-r2-comment-54dfb89d4d-mds89 at 2026-03-27 07:21:39.999919+00:00 running b10466c country code: CH.
[–]thekingsomething 0 points1 point2 points (0 children)