endless repeating message when starting vbox with RAW format diks

Pirmin Duss pirmin.duss at gapfruit.com
Mon Aug 27 16:26:24 CEST 2018


Hello Genodeans

I Try to run a Linux in a RAW disk partition.

The boot loader runs and starts the kernel but then something goes wrong.

[runtime -> work -> vbox] Warning: VMM: map_memory - write fault on ROM region!? gp=0xffff0000
[runtime -> work -> vbox] Warning: VMM: map_memory - write fault on ROM region!? gp=0xffff0000
[runtime -> work -> vbox] VMM: error: unmap not implemented

The last line is endlessly repeating. If I let the guest run, like this, for about 1 minute, the whole system becomes
unusable.

If I dd a Windows 10 image in to the partition the guest boots without any problem.

Does anybody have an idea, what could cause this issue?

Attached are the VBOX and VMDK-template file. We have a small component, that creates the VMDK file form the template
with the size of the partition.

Best regards,
Pirmin
-------------- next part --------------
# Disk DescriptorFile
version=1
CID=c65809b2
parentCID=ffffffff
createType="fullDevice"

# Extent description
RW ${SIZE} FLAT "/dev/sdx" 0

# 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="9c2f5c92-47f5-40d2-ac84-f34552e683f6"
ddb.uuid.parent="00000000-0000-0000-0000-000000000000"
ddb.uuid.modification="911680c2-4951-4c5f-b794-c6f342e22c72"
ddb.uuid.parentmodification="00000000-0000-0000-0000-000000000000"
ddb.geometry.biosCylinders="1024"
ddb.geometry.biosHeads="255"
ddb.geometry.biosSectors="63"
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