[Solved] Missing vCPUs

Discussions related to using VirtualBox on Linux hosts.
mpack
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Posts: 39134
Joined: 4. Sep 2008, 17:09
Primary OS: MS Windows 10
VBox Version: VirtualBox+Oracle ExtPack
Guest OSses: Mostly XP

Re: [Solved] Missing vCPUs

Post by mpack »

I assume that there's a technical reason why that isn't done, e.g. that what you did was a problem for the guest you installed, but not an error in itself.
socratis
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Posts: 27329
Joined: 22. Oct 2010, 11:03
Primary OS: Mac OS X other
VBox Version: VirtualBox+Oracle ExtPack
Guest OSses: Win(*>98), Linux*, OSX>10.5
Location: Greece

Re: [Solved] Missing vCPUs

Post by socratis »

Oh, but there is!!! Just turn off the I/O APIC on any VM that needs it, just the one with the 3 CPUs that you have. Do you see the triangle warning in the same height as the "OK", "Cancel" buttons? Now, hover over that triangle warning sign. What can you read?

The thing is that it's supposed to be enabled automatically, that's what threw me (at least) off. So I don't really know what happened here. Did you edit the .vbox file manually?
Do NOT send me Personal Messages (PMs) for troubleshooting, they are simply deleted.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
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