id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 9223,A running VM is listed as Powered Off,mlw,,"I have a VM that has been running for 11 days, but VBoxManage showvminfo and the VirtualBox Manager window both report that is it powered off. The machine is working perfectly AFAICT (its console is alive and processes are running in it). # ps -wwo lstart,command 6686 STARTED COMMAND Wed Jul 6 12:45:57 2011 /usr/lib/virtualbox/VirtualBox --comment barker --startvm 91b05e8b-b485-49cb-849c-eb5dfed6dcf6 --no-startvm-errormsgbox # VBoxManage showvminfo barker | grep State State: powered off (since 2011-07-06T10:44:00.000000000) The log contains thousands of messages like this: 199:10:30.740 ERROR [COM]: aRC=NS_ERROR_FAILURE (0x80004005) aIID={12f4dcdb-12b2-4ec1-b7cd-ddd9f6c5bf4d} aComponent={Session} aText={Failed to query the session machine (NS_ERROR_CALL_FAILED)}, preserve=false ",defect,reopened,VM control,VirtualBox 4.0.10,,,,other,other