id summary reporter owner description type status component version resolution keywords cc guest host 14960 Windows guests segfault on Linux hosts JLDE "Since the upgrade from 5.0.10 to 5.0.12, my Windows guests don't boot anymore. I get a segfault: {{{ [ 543.463318] vboxdrv: ffffffffa056b020 VMMR0.r0 [ 543.531277] vboxdrv: ffffffffa0661020 VBoxDDR0.r0 [ 543.532265] vboxdrv: ffffffffa010c020 VBoxDD2R0.r0 [ 543.608592] EMT-1[7515]: segfault at 18 ip 00007f6ee9dc450b sp 00007f6eee4d6bf0 error 4 in VBoxDD.so[7f6ee9d49000+27a000] }}} I run VirtualBox on a Debian Wheezy server in headless mode." defect closed other VirtualBox 5.0.12 fixed Windows Linux