id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 3596,Guru Meditation 1103 (VINF_EM_DBG_HYPER_ASSERTION) (pgmPoolTracDerefGCPhysHint),Oskar Berggren,,"Using Vista 32bit guest on Ubuntu 8.10 (kernel 2.6.27, x86_64) host. Virtualbox suddenly warned about Guru medition and asked for shutdown. Just a few seconds after the virtualbox machine window had disappeared the host OS froze completely (no screen redraws, mouse pointer frozen, no longer responds to ssh requests or even ping). Inside the guest I was currently typing in the editor window of Visual Studio. 00:16:46.426 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 00:16:46.426 !! 00:16:46.426 !! Guru Meditation 1103 (VINF_EM_DBG_HYPER_ASSERTION) 00:16:46.426 !! 00:16:46.436 !!Assertion Failed!! 00:16:46.436 Expression: 00:16:46.436 Location : /home/vbox/vbox-2.1.4/src/VBox/VMM/VMMAll/PGMAllPool.cpp(3243) void pgmPoolTracDerefGCPhysHint(PGMPOOL*, PGMPOOLPAGE*, RTHCPHYS, RTGCPHYS) I actually have frequent guest and/or host crasches and I suspect virtualbox is causing them. This however is the first time I've seen the guru meditation dialog. Usually instead the whole virtualbox process dies and often the host OS crashes to.",defect,closed,other,VirtualBox 2.1.4,invalid,,,Windows,Linux