id summary reporter owner description type status component version resolution keywords cc guest host 5247 Putting host (OS X) in standby causes guest (Ubuntu) to hang Andrew Clegg "Host: MacBookPro3,1 Mac OS X 10.4.11 (8S2167) Guest: Ubuntu 9.04 fully updated + guest additions VirtualBox 3.5.8 r53138 After closing my MacBook for standby, then reopening it, the guest is completely frozen. The log shows the VM going from RUNNING to SUSPENDED and back again. However there's no response from the actual guest window, and I can't ssh into it. Despite this, Activity Monitor shows the VM to be using close to 100% CPU of one core. When closing the guest window, the guest ignores the shutdown signal and I have to power it off instead. " defect closed other VirtualBox 3.0.8 obsolete standby Linux Mac OS X