On 28.08.2011, at 02:42, Avi Kivity wrote: > On 08/26/2011 08:32 AM, ya su wrote: >> hi,Avi: >> >> I met the same problem, tons of hpet vm_exits(vector 209, fault >> address is in the guest vm's hpet mmio range), even I disable hpet >> device in win7 guest vm, it still produce a larget amount of vm_exits >> when trace-cmd ; I add -no-hpet to start the vm, it still has HPET >> device inside VM. >> >> Does that means the HPET device in VM does not depend on the >> emulated hpet device in qemu-kvm? Is there any way to disable the VM >> HPET device to prevent so many vm_exits? Thansk. >> > > Looks like a bug to me. IIRC disabling the HPET device doesn't remove the entry from the DSDT, no? So the guest OS might still think it's there while nothing responds (read returns -1). Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
