id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 2869,"Debian host, Debian guest: rdtsc goes backwards -> fixed in SVN/3.0.6",Markus Laker,,"On Debian Lenny on a real PC, the attached program (rdtsc.cpp) works as expected. On Debian Lenny in VirtualBox 2.1.0 on Debian Lenny, the same program aborts after a few hundred thousand iterations, showing that rdtsc occasionally goes backwards. I've attached some sample output in output.txt. If we ignore wrapping, rdtsc should only increase; it should never decrease. ",defect,closed,VMM/HWACCM,VirtualBox 3.0.4,fixed,rdtsc backwards,,Linux,Linux