Somtimes, I noted that vbox uses rather high cpu (50%) on windows host. The steps: run vbox with an XP vm, check host cpu use, which is very low (5%), then hibernate the windows host. After Windows resumes from hibernate mode, the host cpu use is now much higher, about 50%. Interestingly, the guest cpu is still very low (<5%). This indicates that the vboxdrv.sys does not handle power well? Is there any IRP_MJ_POWER handler? Thanks, Huihong
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