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[SOLVED] Cannot start VMs anymore after upgrade from Debian Stretch to Buster

Posted: 2. Jan 2020, 15:54
by PatiB87
Hey,

I just upgraded my Debian Stretch to Buster on my Intel NUC.
Now I cannot start my VMs anymore - which unfortunately is very important to my house...

Therefore I need your help urgently. :(

I can correctly list my VMs with:

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VBoxManage list vms
Now when I try to start any of them, I get this:

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Waiting for VM "PiHole" to power on...
VBoxManage: error: The virtual machine 'PiHole' has terminated unexpectedly during startup because of signal 6
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component MachineWrap, interface IMachine
Why reason could this have? I absolutely have no clue, yet I need these VMs to run for several services in my house and network. :(

Thanks for any help!!!
Patrick

EDIT: SOLVED!
I was SO STUPID to forget the "--type headless"
Command is:

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VBoxManage startvm PiHole --type headless

Re: Cannot start VMs anymore after upgrade from Debian Stretch to Buster

Posted: 2. Jan 2020, 16:06
by scottgus1
Try this web-search:

"signal 6" site:virtualbox.org

There's a few different causes.

Also consider a reinstall of Virtualbox.

Re: Cannot start VMs anymore after upgrade from Debian Stretch to Buster

Posted: 2. Jan 2020, 16:10
by PatiB87
Hey,
first: thanks for helping!!

Reinstall is just:

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sudo apt remove --purge virtualbox
sudo apt install virtualbox
sudo apt install virtualbox-dkms
Right?

But currently there should not be any issues with regular virtualbox under debian buster?

Re: Cannot start VMs anymore after upgrade from Debian Stretch to Buster

Posted: 2. Jan 2020, 16:14
by PatiB87
Oh mother of....

I think, I just f-ed it up:

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 VBoxManage startvm PiHole --type headless
fixed it! I fotgot the headless!

Reason for this maximum studpidness is:
Before the upgrade to buster, I used "PHPVirtualBox" for managing, which currently does not work.
This is not so critical but then I just did

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 VBoxManage startvm PiHole
via SSH and got the error.

Headless it works.

Goddamn!

Sorry for swearing!
Thanks a whole lot for helping!
Happy 2020! :)

Patrick

Re: [SOLVED] Cannot start VMs anymore after upgrade from Debian Stretch to Buster

Posted: 2. Jan 2020, 16:27
by scottgus1
Glad you got your guests going!
That NUC looks sweet...