Actually, I also haven't seen further ones while I'm playing Overwatch. Just at startup. I wonder if maybe I've got something misconfigured?
On Tue, Jun 14, 2016 at 11:23 AM, Abdulla Bubshait <darkst...@gmail.com> wrote: > Thanks, I guess the "issue" is only from the blizzard games. It could very > well be that this is used as some anti-tamper tool in these blizzard games, > but I find it odd that it only does this in Win10 and that returning 0 > doesn't cause a problem. > > On Tue, Jun 14, 2016 at 12:06 PM Jayme Howard <g.pr...@gmail.com> wrote: > >> I've only seen it call them at startup. After playing for an hour or so, >> I didn't see more of them in my dmesg output. >> >> On Tue, Jun 14, 2016 at 9:38 AM, Abdulla Bubshait <darkst...@gmail.com> >> wrote: >> >>> For what its worth it seems Rise of the Tomb Raider also calls it, so it >>> might be Denuvo. >>> >>> The interesting thing is Rise of the Tomb Raider only calls it once. So >>> there is no performance issue. Heroes and Starcraft continuously make these >>> calls which causes the performance issue. >>> >>> Can anyone confirm if Doom only calls up the MSRS in one spot or does it >>> constantly keep calling the MSRS throughout the game? >>> >>> On Tue, Jun 14, 2016 at 8:55 AM thibaut noah <thibaut.n...@gmail.com> >>> wrote: >>> >>>> They have the warden which is constantly checking your system >>>> >>>> 2016-06-14 14:36 GMT+02:00 Jayme Howard <g.pr...@gmail.com>: >>>> >>>>> I don't think Blizzard uses Denuvo. >>>>> >>>>> On Tue, Jun 14, 2016 at 7:29 AM, thibaut noah <thibaut.n...@gmail.com> >>>>> wrote: >>>>> >>>>>> 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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