Hello there,
Virtual Machine failed to open VMMR0.r0 and it seems like this appeared because of FreeBSD. I have followed the standard steps and I don’t know what caused this error. Can anyone help me please to fix this ? Please tell what I did wrong.
Thank you experts !
Failed to open session for the Virtual machine FreeBSD 8.2.
Failed to load VMMRO.ro.
(VERR_SUPLIB_OWNER_NOT_ROOT).
Failed to load VMMR0.r0VERR_SUPLIB_OWNER_NOT_ROOT issue
Do the following steps to fix this error.
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Run VB as administrator.
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Right click on VBÂ
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Select "run as administrator"
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Reboot the host OS
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Try with fewer "virtual CPUs" starting from 1.
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In "V Box" manager, disable VT-x settings.
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I hope in this way your issue will be solved.
There is another way to solve the problem.
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Open free BSD boot menu. ( when booting from installation media)
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Go to "Escape to loader prompt.
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 Enter the commands, shown in the image.
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Now proceed to the usual  "FreeBSD" installation.
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Ta the end, when it ask to open the shell,
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Answer "yes modify/ boot / loader.conf.
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Then exit.
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