id summary reporter owner description type status component version resolution keywords cc guest host 9589 Saving a snapshot, saving the VM, and restarting results in an error Ed "Taking a snapshot and then closing the vm and saving state to disk results in an inconsistent VM. To reproduce: 1. Take snapshot 2. Close vm and save state to disk 3. Restart vm 4. Get error The error is: Failed to open a session for the virtual machine Windows 7 golden. pdmblkcache#0: The VM is missing a block device. Please make sure the source and target VMs have compatible storage configurations [ver=1 pass=final] (VERR_SSM_LOAD_CONFIG_MISMATCH)." defect closed VM control VirtualBox 4.1.2 obsolete snapshots, saving, resuming Windows Linux