id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 8963,VirtualBox Reboots Host machine randomly,seboch,,"VirtualBox Reboots Host Machine randomly. The problem looks very similar to Ticket 8202 [http://www.virtualbox.org/ticket/8202]. I reproduced the problem using VBox version 4.0.4, 4.0.6, 4.0.8 with the same guest on 2 different host machines. Host 1:[[BR]] - Dell Latitude E5510[[BR]] - Processor Intel Core i5 CPU M560[[BR]] - Windows 7 Professional 32bit SP1[[BR]] Host 2:[[BR]] - Dell Precision T1500. [[BR]] - Processor Intel Core i5 CPU 760[[BR]] - Windows 7 Professional 32bit SP1[[BR]] Guest description:[[BR]] - Ubuntu 10.10 64 bit I didn't reproduce the issue while running a 32 bit guest ",defect,closed,other,VirtualBox 4.0.8,duplicate,reboots host,,Linux,Windows