[vfio-users] Far Cry Primal

[Jayme Howard]

I don't think Blizzard uses Denuvo.

On Tue, Jun 14, 2016 at 7:29 AM, thibaut noah <thibaut.noah at gmail.com>
wrote:

> That might also have to do with denuvo protection
>
> 2016-06-14 9:49 GMT+02:00 Abdulla Bubshait <darkstego at 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.volosyuk at 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.prime at 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 <darkstego at gmail.com>
>>>> wrote:
>>>>
>>>>>
>>>>>
>>>>> On Mon, Jun 13, 2016 at 6:27 PM, Jayme Howard <g.prime at 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.
>>>>>
>>>>
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>>>
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>
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