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I am trying to boot Ubuntu inside Win 10 by raw disk access. Ubuntu is located in a portion inside an external SSD. I followed the instructions from this post, everything went well, except when I start the virtual machine it throws me FATAL: INT18: BOOT FAILURE. I had no idea what is going on, then I found this post, and the answer is to enable EFI, I also tried but had no avail.

What it returned after enabling EFI.

The vmdk file:

# Disk DescriptorFile
version=1
CID=e7fa4099
parentCID=ffffffff
createType="partitionedDevice"

# Extent description
RW 63 FLAT "raw-0-pt.vmdk" 0
RW 1985 ZERO 
RW 845699072 ZERO 
RW 131067904 FLAT "\\.\PhysicalDrive2" 845701120
RW 4096 ZERO 

# The disk Data Base 
#DDB

ddb.virtualHWVersion = "4"
ddb.adapterType="ide"
ddb.geometry.cylinders="16383"
ddb.geometry.heads="16"
ddb.geometry.sectors="63"
ddb.uuid.image="a5265627-11cf-43ae-af17-18f88244f58e"
ddb.uuid.parent="00000000-0000-0000-0000-000000000000"
ddb.uuid.modification="00000000-0000-0000-0000-000000000000"
ddb.uuid.parentmodification="00000000-0000-0000-0000-000000000000"
ddb.geometry.biosCylinders="1024"
ddb.geometry.biosHeads="255"
ddb.geometry.biosSectors="63"

I have been dealing with it for half a day, hope someone is able to answer

Ng Lok Chun
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  • Probably a shot in the dark, but: did you ever manage to fix this? – CLSA Sep 20 '21 at 07:53
  • Still not, any idea? – Ng Lok Chun Sep 22 '21 at 04:47
  • I actually managed to fix it after my last comment. In my case, it was that the Ubuntu partition itself was not bootable. I had to create and mount 2 raw disk VMDKs, one for my main/default/Windows drive, and one for my Ubuntu partition, to be able to boot Ubuntu using grub. – CLSA Sep 22 '21 at 07:35

0 Answers0