VirtualBox

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Ticket Resolution Summary Owner Reporter
#15356 worksforme VirtualBox reboots CentOS 6.5 (disabling VMXE at CR4) vboxtrial
Description

I have installed VirtualBox 5.0.16 on CentOS 6.5 using the following commands under root:

yum-config-manager --add-repo http://download.virtualbox.org/virtualbox/rpm/el/virtualbox.repo
yum install VirtualBox-5.0

The server is headless, has no UI/Desktop manager installed, run-level 3.

Important thing is that I run qemu/kvm virtual machine on that server. It uses the hardware virtualization, but I still expect VirtualBox to be able to run in software virtualization mode, so I set

VBoxManage modifyvm testvm --hwvirtex off
VBoxHeadless --startvm testvm

But when I start such VM (under root or non-root user) , the host instantly reboots[[BR]]

No VBox.log is generates, no /var/log/messages entries.

The /var/crashes/<date>/vmcore ~700Mb and vmcore-dmesg.txt files are generated - should they be helpful in the investigation of the issue, tell me and I will find a way to deliver it to you. Or tell me how to extract info from that.

The following Vargant config reproduces the problem for me and might be convenient if you want to reproduce the issue:

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/trusty32"
  config.vm.hostname = "mybox"
  config.vm.network :private_network, ip: "192.168.0.42"

  config.vm.provider :virtualbox do |vb|
    vb.customize ["modifyvm", :id, "--hwvirtex", "off"]
  end
end

Note1: I have found some alike issues #12923 and #14278, but they appear to be UI(QT) related or other version of CentOS and not rebooting the host and not resolved

Note2: Why would it reboot the host OS instead of "just" segfault as described in other tickets?

Note3: tested with Win and Linux guests - same result - instant host reboot

#11067 fixed My Vbox keeps crashing and being sent to guru meditation when I attempt to install win nt 4 vboxrocks333
Description

Whenever I try to install Microsoft Windows NT 4 Workstation's CD File System, I get a blue screen with the error STOP: 0x0000003E (0x0000080, 0x00000000, 0x00000000, 0x00000000) and the machine goes into guru meditation. Any help?

#4995 fixed vbox 3.0.6 installer does not create the VirtualBox Host-Only Ethernet Adapter vboxrocks14
Description

Virtual Box 3.0.6 installer does not create the VirtualBox Host-Only Ethernet Adapter.

This is on Windows XP SP2

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