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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Compiling
Fatdog64 - custom initrd
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Joined: 30 Sep 2014
Posts: 1

PostPosted: Thu 02 Oct 2014, 12:14    Post_subject:  Fatdog64 - custom initrd
Sub_title: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2, 0), when booting

When I boot Fatdog64 with custom initrd, I get the error (Kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(2,0)).


- Fatdog64-700b1.iso is used as the base
- The building iso file operations are done on Ubuntu 14.04
- The bootable iso image is copied onto a 16GB DataTraveler G3
- The operations performed:

1. mkdir /mnt/iso
2. sudo mount -o loop /path/to/Fatdog64-700b1.iso /mnt/iso
3. cp -r /mnt/iso /path/to/Documents
4. mkdir /path/to/Documents/initrd
5. cd /path/to/Documents/initrd
6. cpio -i -vd < ../iso/initrd
7. rm ../initrd
8. find . -depth -print | cpio -o -H newc > ../initrd (NOTE: nothing is actually changed)
9. cd ..
10. xorriso -as mkisofs -o Fatdog64-test.iso -isohybrid-mbr /usr/lib/syslinux/isohdpfx.bin -c boot.catalog -b isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table iso
11. sudo dd if=./Fatdog64-test.iso of=/dev/sdb bs=4M (where /dev/sdb is the USB dongle)
12. sync
13. Reboot the system to boot from the USB DataTraveler.
14. Get error (see the beginning)

I am new in the area. Any help is appreciated!!!! Thanks in advance.
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