VirtualBox VM hangs on shutdown / stopping [SOLVED] - VNC problem

[Miroslav Lachman]

Derek Schrock wrote on 2017/12/24 02:59:
> On Mon, Dec 11, 2017 at 08:23:38AM EST, Derek Schrock wrote:
>> On Sun, Dec 10, 2017 at 06:46:17PM EST, Miroslav Lachman wrote:
>>> Derek Schrock wrote on 2017/12/11 00:27:
>>>> On Sat, Dec 09, 2017 at 05:49:57PM EST, Miroslav Lachman wrote:
>>>>> I did a fresh installation on FreeBSD 10.4-RELEASE-p5 amd64 GENERIC.
>>>>>
>>>>> Whenever I need to stop the VM it hangs indefinitely. The OS in VM is
>>>>> also FreeBSD 10.4-p5 amd64. Virtual machine runs fine, but if is use
>>>>> shutdown -r now, shutdown -p now (in VM) or use ACPI PowerOff in
>>>>> phpVirtualBox or VBoxManage it always hangs after OS in VM is completely
>>>>> down (buffers synced etc.)
>>>>>
>>>>> Packages used:
>>>>>      virtualbox-ose-kmod-5.2.0_1
>>>>>      virtualbox-ose-nox11-5.2.0_1
>>>>>
>>>>> Built with Options        :
>>>>>            PYTHON         : off
>>>>>            R0LOGGING      : off
>>>>>            UDPTUNNEL      : on
>>>>>            VDE            : on
>>>>>            VNC            : on
>>>>>            WEBSERVICE     : on
>>>>>
>>>>>
>>>>>      The process is still running:
>>>>>
>>>>> # ps auxww | grep FBSD_104_tpl
>>>>> vboxusers 1268   0.0  5.3 1062960 891668  -  I    11:30PM   0:32.43
>>>>> /usr/local/lib/virtualbox/VBoxHeadless --comment FBSD_104_tpl --startvm
>>>>> ba50a283-41fa-48ae-8ff2-87591c50bfed --vrde config
>>>>>
>>>>> # VBoxManage list vms
>>>>> "FBSD_104_tpl" {ba50a283-41fa-48ae-8ff2-87591c50bfed}
>>>>>
>>>>>       but no running VMs listed by VBoxManage
>>>>>
>>>>> # VBoxManage list runningvms
>>>>>
>>>>> # VBoxManage controlvm "FBSD_104_tpl" poweroff
>>>>> VBoxManage: error: The virtual machine is being powered down
>>>>> VBoxManage: error: Details: code VBOX_E_INVALID_VM_STATE (0x80bb0002),
>>>>> component ConsoleWrap, interface IConsole, callee nsISupports
>>>>> VBoxManage: error: Context: "PowerDown(progress.asOutParam())" at line
>>>>> 578 of file VBoxManageControlVM.cpp
>>>>>
>>>>> The above is the second try to stop VM after few minutes of waiting on
>>>>> "Stopping" in phpVirtualBox.
>>>>>
>>>>> It must be killed by "kill PID", then I can run the VM again.
>>>>> (phpVirtualBox says "Aborted")
>>>>>
>>>>>
>>>>> Can anybody help me to debug and fix this issues?
>>>>>
>>>>> I never see this problem on different machines with slightly older
>>>>> version of VirtualBox. We are using the same setup for years.
>>>
>>>> What are the chances that you're VNC'ed to the VM during shutdown?  I've
>>>> yet to gather all the parts but there is a bug in libvncserver/vbox that
>>>> fails to allow a VM to quit if the VNC session isn't closed before the
>>>> the VM is shutdown.
>>>
>>> Thank you! You saved me a lot of time.
>>> Yes, this is the problem. When VNC is connected, the VM cannot be shut
>>> down. If I disconnect VNC then shutdown works fine.
>>> It is really annoying bug but at least I know a workaround now.
>>> Thank you.
>>>
>>> Do you know if this bug is reported somewhere?
>>>
>>> Kind Regards
>>> Miroslav Lachman

>>
>> I haven't reported to Oracle yet and I don't see anything in their bug
>> tracker.  Maybe this weekend I'll try to get more information for the
>> bug.
>
> Just in case if you want to follow along. It appears that vbox DEBUG is
> broken and I think that might give us some more hints on to what's
> happening here but for the time being I can't find that much more
> information about this issue.
>
> https://www.virtualbox.org/ticket/17396


Thank you for your report. I am on Christmas vacation, I will check it 
later.

Miroslav Lachman