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VirtualBox Teleportation (VM migration) error: Could not load block 'cpum'

I am making a Vbox teleportation application for migrating a VM between two similar Dell machines on the same subnet.

The source is the ubuntu 14.04 virtual machine, which must be teleported to the Dell client server, which hosts the unloaded virtual machine with the .vdi hard drive in the nfs shared folder with the source virtual machine.

When teleportation is initiated, the process reaches 90% and then exits with the following error: VBoxManage error: error: teleportation failed VBoxManage: error: could not load the 'cpum' block (VERR_INVALID_FLAGS),,.

I looked online and found only one relevant answer to a similar request. So I typed the following command on the client side. VBoxManage setextradata vm_name VBoxInternal / CPUM / CMPXCHG16B 1

The problem persists.

Please inform

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2 answers

One of my virtual machines came up with the same error. I did not do anything with teleportation, but the VM was in a "saved state". Discarding a saved state resolved the issue.

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In fact, I did not find a solution, but a reasonable solution: I told VirtualBox to discard the saved state of the computer, and then restarted it.

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Source: https://habr.com/ru/post/1657661/

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