id summary reporter owner description type status component version resolution keywords cc guest host 3127 Guru meditation (pgmPoolTrackPhysExtDerefGCPhys) on shutdown after Vbox 2.1.2 upgrade -> retry with 2.2.2 Karl Viklund "Hello VirtualBOX team! After upgrading my VirtualBOX 2.1.0 installation to 2.1.2 today, one of my virtual machines are crashing on shutdown. I haven't tested my other machines yet because I'm filing this ""Bug report"". The VM was Zenwalk Linux 32 bit running on a Windows Vista Sp1 32bit host. The log can be found here. http://pastebin.com/f740a8ff5 VirtualBOX told me to file a bug report so I thought that I could do that favour. I'm not a computer guru so I don't know if more information is required. Just ask." defect closed other VirtualBox 2.1.4 fixed Linux Windows