Ticket #10951 (closed defect: worksforme)

Opened 3 years ago

Last modified 3 years ago

Nested Paging and 4.2

Reported by: jim.rather Owned by:
Priority: major Component: other
Version: VirtualBox 4.2.0 Keywords:
Cc: Guest type: other
Host type: other


Today I installed 4.2 and I have an error booting my live Windows 7 partition. It has worked in previous versions of Virtual Box with no changes. Unchecking Enable Nested Paging allows me to boot this VM. This setting considerably slows down the VM. The message is a -1012 error which seems to have something to do with privileges. I noticed that the new version has this in the change log, "VMM: improved VM context switch performance for Intel CPUs using nested paging" I'll be happy to provide more information if requested.

Change History

comment:1 Changed 3 years ago by jim.rather

Host OS is Ubuntu 12.04.

comment:2 Changed 3 years ago by frank

Please attach a VBox.log file with nested paging enabled.

comment:3 Changed 3 years ago by frank

  • Status changed from new to closed
  • Resolution set to worksforme

No response, closing.

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