That might also have to do with denuvo protection 2016-06-14 9:49 GMT+02:00 Abdulla Bubshait <darkst...@gmail.com>:
> Yes, this is a win10 issue. > Changing the Virtual CPU model does not make a difference. Each model has > its own LBR register address, but one will be called. > > The only thing I have not tried is using an AMD processor. AMD CPUs > support lbrv which is virtualization of the LBR registers, so it is handled > in hardware rather than software. > If anyone has an AMD CPU and a win10 VM willing to confirm if their setup > does indeed work in these games, that would be great. > > On Tue, Jun 14, 2016 at 3:39 AM Ivan Volosyuk <ivan.volos...@gmail.com> > wrote: > >> 2 things: >> - this msrs are not called from StarCraft on Win8.1. >> - i wonder if forcing virtual CPU model to something older will disable >> them in Win10. >> >> This msrs issue is what holds me off upgrade to W10. >> >> On Tue, Jun 14, 2016 at 12:39 PM Jayme Howard <g.pr...@gmail.com> wrote: >> >>> For what it's worth, I believe I was getting them on Overwatch as well. >>> It's not happening with EVERY game I have though. >>> >>> On Mon, Jun 13, 2016 at 8:28 PM, Abdulla Bubshait <darkst...@gmail.com> >>> wrote: >>> >>>> >>>> >>>> On Mon, Jun 13, 2016 at 6:27 PM, Jayme Howard <g.pr...@gmail.com> >>>> wrote: >>>> > That's the output for Doom. >>>> > >>>> > [1639445.044855] kvm [9487]: vcpu2 kvm_set_msr_common: >>>> MSR_IA32_DEBUGCTLMSR >>>> > 0x1, nop >>>> > [1639445.044861] kvm [9487]: vcpu2 ignored rdmsr: 0x1c9 >>>> > [1639445.044862] kvm [9487]: vcpu2 ignored rdmsr: 0x680 >>>> > [1639445.044863] kvm [9487]: vcpu2 ignored rdmsr: 0x6c0 >>>> > [1639445.044890] kvm [9487]: vcpu1 kvm_set_msr_common: >>>> MSR_IA32_DEBUGCTLMSR >>>> > 0x1, nop >>>> > [1639445.044895] kvm [9487]: vcpu1 ignored rdmsr: 0x1c9 >>>> > [1639445.044896] kvm [9487]: vcpu1 ignored rdmsr: 0x680 >>>> > [1639445.044897] kvm [9487]: vcpu1 ignored rdmsr: 0x6c0 >>>> > [1639445.044905] kvm [9487]: vcpu1 kvm_set_msr_common: >>>> MSR_IA32_DEBUGCTLMSR >>>> > 0x1, nop >>>> > [1639445.044907] kvm [9487]: vcpu1 ignored rdmsr: 0x1c9 >>>> > [1639445.044908] kvm [9487]: vcpu1 ignored rdmsr: 0x680 >>>> > [1639445.044909] kvm [9487]: vcpu1 ignored rdmsr: 0x6c0 >>>> > [1639445.046195] kvm [9487]: vcpu2 kvm_set_msr_common: >>>> MSR_IA32_DEBUGCTLMSR >>>> > 0x1, nop >>>> > [1639445.046198] kvm [9487]: vcpu2 ignored rdmsr: 0x1c9 >>>> > [1639445.046204] kvm [9487]: vcpu2 kvm_set_msr_common: >>>> MSR_IA32_DEBUGCTLMSR >>>> > 0x1, nop >>>> > [1639445.155114] kvm [9487]: vcpu0 kvm_set_msr_common: >>>> MSR_IA32_DEBUGCTLMSR >>>> > 0x1, nop >>>> > [1639445.155123] kvm [9487]: vcpu0 kvm_set_msr_common: >>>> MSR_IA32_DEBUGCTLMSR >>>> > 0x1, nop >>>> > >>>> >>>> Odd, this is another game that is contantly reading the LBR. I >>>> initially thought this was part of the StarCraft 2 and Heroes of the Storm >>>> code. But now I think this might be part of Windows 10. Something being >>>> called by these games is causing a ton of LBR reads. Maybe DX 12? >>>> >>>> I think if we can find what is causing these reads in the games we >>>> might be able to solve it. Because if this is the case we might be getting >>>> more and more games with performance problems because of these LBR checks. >>>> >>> >>> _______________________________________________ >>> vfio-users mailing list >>> vfio-users@redhat.com >>> https://www.redhat.com/mailman/listinfo/vfio-users >>> >> > _______________________________________________ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users > >
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