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Ticket Resolution Summary Owner Reporter
#9303 obsolete Cannot clone VM using VBox 4.1.0 because 'VBoxGuestAdditions.iso already exists' -> Fixed in SVN David Aldrich
Description

Discussed in community here:

http://forums.virtualbox.org/viewtopic.php?f=1&t=43313&p=195119#p195119

I have a problem when using VBox 4.1.0 to clone a VM. I chose to clone the current state of one of my VM's and left the check box 'Reinitialize the MAC address of all network cards' clear.

I saw:

"Failed to clone the virtual machine <name>.
Cannot register the image ‘C:\Proqram FiIes\OracIe\VirtuaIBox\VBoxGuestAdditionsiso'
with UUID { <number> } because a CD/DVD image ‘C:\Proqram FiIes\OracIeVirtuaIBox/VBoxGuestAdditions.iso’
with UUID { <number> } already exists.

I then removed the guest additions ISO from the IDE Controller Storage Tree in Settings > Storage but I still got the same error.

I then tried to remove the guest additions ISO from Media Manager because it says that the iso is attached to snapshots 8 and 9 of my VM, but the 'Remove' button and menu options are disabled (greyed out).

perryg suggested:

Yes I have seen this very thing. You need to release the image from all of the snapshots as well. Usually this can be done in the media manager by selecting release for the guest additions . If however this does not work you need to start the snapshot and then use the device tab to remove it in each snapshot that still has it mounted. This has been reported before and AFAIK it was resolved, but now it appears that it has returned.

I have not succeeded in doing this yet.

So, in summary, the GUI clone tool does not work for my VM.

#9051 duplicate 64-bit Centos 5.5 VM crashes 32-bit Win 7 host on HP Probook 6450b laptop David Aldrich
Description

Hi

Host:

  • HP ProBook 6450b laptop (Intel Core i5)
  • Windows 7 32-bit host o/s
  • VirtualBox 4.0.8
  • VT-x/AMD-V enabled in BIOS

I have built 32-bit and 64-bit Centos 5.5 VMs. The 32-bit VM runs solidly on the above host, but the 64-bit VM crashes the laptop at random times (sometimes while the VM is starting, sometimes after hours of the VM running).

I have disabled automatic restart on system failure in System Properties of Windows, but the crash still restarts the laptop (I have McAfee SafeBoot installed, which is a disk encryption system, after the crash I arrive at the Safeboot login).

On another 6450b laptop, which was very recently delivered and so has up-to-date BIOS and drivers, we installed Win 7 64-bit o/s and found that the 64-bit Centos VM ran solidly with no crashes. We then rebuilt the same laptop with Win 7 32-bit o/s and saw that the 64-bit Centos VM crashed the host as on my laptop.

I have discussed this problem on the forums with no solution:

http://forums.virtualbox.org/viewtopic.php?f=6&t=39752&sid=0ea61614b7b546fea7d50f19a9d7e3db

I will attach the log of a crashed VM to this ticket.

I don't know how to obtain a minidump but will get one if you tell me how.

Best regards

David

#12547 obsolete @ VM Machinestartup - EM: Failed to open a session for the virtual machine ... DavidDeb
Description

Hi,

after the update to 4.3.6 I get the following MSG when starting a VM for the SECOND time (the first start up after boot-up works OK)

Failed to open a session for the virtual machine ...

The VM session was closed before any attempt to power it on.

Result Code: E_FAIL (0x80004005) Component: SessionMachine Interface: ISession {12f4dcdb-12b2-4ec1-b7cd-ddd9f6c5bf4d}

Workaround (temporary I hope) : reboot the host machine

Host is: Win7 x64, Guest: WinXP x86

Is this related to Ticket #12424 ??

Thx 4 your attn. and best regards,

David D.

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