VM crash on boot after snapshot

[ceroni]

If a snapshot is taken prior to booting the VM crashes before completing the boot. This happened with two different Windows 7 VMs. It doesn't happen with Ubuntu 10.10 or Windows XP VMs on the same host.

Host Event log:

• <Event xmlns="​http://schemas.microsoft.com/win/2004/08/events/event">
• <System> <Provider Name="Application Error" /> <EventID Qualifiers="0">1000</EventID> <Level>2</Level> <Task>100</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2011-01-03T21:24:29.000000000Z" /> <EventRecordID>11239</EventRecordID> <Channel>Application</Channel> <Computer>Lion-O</Computer> <Security /> </System>
• <EventData> <Data>VirtualBox.exe</Data> <Data>4.0.0.0</Data> <Data>4d12068f</Data> <Data>VBoxDDU.dll</Data> <Data>0.0.0.0</Data> <Data>4d120676</Data> <Data>c0000005</Data> <Data>000000000000455e</Data> <Data>ba4</Data> <Data>01cbab8c915dc5a0</Data> <Data>C:\PROGRA~1\Oracle\VIRTUA~1\VirtualBox.exe</Data> <Data>C:\PROGRA~1\Oracle\VIRTUA~1\VBoxDDU.dll</Data> <Data>d89f4d58-177f-11e0-8f03-002511406377</Data> </EventData> </Event>

[aeichner]

Duplicate of #7947. Use the workaround mentioned there until the next maintenance release.