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I recently finally finished my build of LinuxFromScratch version 7.9-SYSTEMD. There is one change I had to make from the book. I needed to aquire a patch for the package inettools that caused PATH_PROCNET_DEV to be undefined. Besdides that, my LFS build is on a second hard drive and will be booting independently from the host system. I am running Ubuntu 16.06 in VMWare and the LFS target machine is also ion VMWare. After the kernel starts to load it goes into a panic state saying:

[  10.063526] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

I have already check whether or not the fs type and hard disk type are enabled in the kernel, rebuilt, and still to no avail. Is there anything I have missed in trying to fix this?

EDIT: Changing the hard disk type from SCSI to SATA did not work, nor did changing it to IDE

EDIT: This is my current grub.cfg file:

set default=0
set timeout=5
insmod ext2
set root=(hd0,gpt2)

menuentry "LinuxFromScratch-7.9-SYSTEMD" {
    linux /boot/vmlinuz-current-lfs-7.9-systemd root=/dev/sda2 ro
}

EDIT: Running update-grub on the host successfully found the installation, but it still fails to boot with the same Kernel Panic error. I will try rebuilding my kernel to see if there's something I missed in its copnfiguration

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  • Is your root filesystem on partition or it occupies the whole second hard disk? I.e. is it sda or sda1 ? – user140866 Jun 8 '16 at 14:22
  • No, I have a 1M partition at the front for the bootloader to hook into (fs type ef02) – Caleb Huggins Jun 8 '16 at 14:23
  • What's your kernel command line? Can you post bootloader configuration? – user140866 Jun 8 '16 at 14:24
  • That's the grub.cfg file, correct? – Caleb Huggins Jun 8 '16 at 14:25
  • I think yes. edit your question and include it. – user140866 Jun 8 '16 at 14:25
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I know it's been awhile, but in recently rebuilding the LFS project, it is, by default, incompatible with VM booting. The LFS has to be booted as the host lb a physical machine. If anyone can prove me wrong, please do.

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