Opened 9 years ago

Last modified 9 years ago

#14385 new defect

Guest Ubuntu 15.04 (64 bit) crashes on Host Windows 7 AND 10 (each 64bit) after upgrading to VB v5.0 unless nested paging left OFF

Reported by: Aweman Owned by:
Component: VMM/HWACCM Version: VirtualBox 5.0.0
Keywords: nested paging Cc:
Guest type: Linux Host type: Windows


I upgraded to VirtualBox 5.0.0-101573 three weeks ago, from VirtualBox v4.3.30. Today I also tried Testbuild 5.0.1-101908.

With the new versions 5.0.X I cannot use my Ubuntu 15.04 (64 bit) VM anymore, unless I turn nested paging off. When it is turned on Ubuntu crashes and restarts when I try to access the VM. I tried it on both Windows 7 and Windows 10 Host (each 64 bit).

For now, I reverted to VirtualBox v4.3.30 which runs it fine.

It looks like it is the same error as #14262 and #14263, although Guest/Host are the opposite.

Attachments (1)

VBox.log (111.0 KB ) - added by Aweman 9 years ago.

Download all attachments as: .zip

Change History (6)

by Aweman, 9 years ago

Attachment: VBox.log added

comment:1 by Aweman, 9 years ago

I have recorded a video, which shows the behaviour of the VM when I tried to install a new Ubuntu VM, which is the same behaviour on my existing Ubuntu VM.

comment:2 by Frank Mehnert, 9 years ago

Aweman, could you do the following:

VBoxManage setextradata "Ubuntu 15.04" VBoxInternal/CPUM/IsaExts/AVX 0

and enable nested paging to check if this fixes your guest as well? Thank you!

comment:3 by Aweman, 9 years ago

Yes, it fixes the issue!

comment:4 by Frank Mehnert, 9 years ago

Workaround (AVX disabled on 32-bit hosts for 64-bit VMs) is part of VBox 5.0.2. Though we hope to fix it properly.

comment:5 by Aweman, 9 years ago

But I have 64-bit Host and 64-bit VM. Nevertheless will try it out

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