id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 13463,"Guru Meditation 1155 (VINF_EM_TRIPLE_FAULT) trying to install 64 bit Linux as guest, Arch Linux host",ikarus,,"I'm running Virtual Box 4.3.16 on an Arch Linux host (Intel Xeon CPU, VT-x activated). When I try to install a 64 bit Linux as guest system (i.e. Debian or Arch Linux) vBox crashes with ""Guru Meditation Error 1155 (VINF_EM_TRIPLE_FAULT)"" while loading the guest's Linux Kernel. 32 Bit guest-OS work fine. I tried different settings for the VM in Virtual Box (CPUs, RAM etc.), also turned off VT-x and Nested Paging with no success. The attached log file was captured while trying to install Debian 7.6",defect,closed,other,VirtualBox 4.3.16,fixed,,,Linux,Linux