[vfio-users] kvm_get_msr_common: XXX callbacks suppressed

[Hristo Iliev]

Hi,

You could look up the MSR numbers in Intel's CPU manual. Those are most 
likely the power control and frequency scaling registers. Should be safe 
to ignore them.

Cheers,
Hristo

Am 15.03.2017 23:25, schrieb sL1pKn07 SpinFlo:
> Hi
> 
> since, sincerely, idk, i get tons of this message in my dmesg
> 
> 
> [82704.254657] kvm_get_msr_common: 430 callbacks suppressed
> [82704.254660] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0xce
> [82704.254676] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x1fc
> [82704.254687] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x1a4
> [82704.254694] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x1a4
> [82704.254704] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x1ad
> [82704.254725] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x1a2
> [82704.254886] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x3f8
> [82704.254901] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x3f9
> [82704.254910] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x3fa
> [82704.254926] kvm [15180]: vcpu0, guest rIP: 0xfffff809eca717f3
> ignored rdmsr: 0x3fc
> 
> Should i worry?
> 
> └───╼  uname -a
> Linux sL1pKn07 4.9.11-1-ARCH #1 SMP PREEMPT Sun Feb 19 13:45:52 UTC
> 2017 x86_64 GNU/Linux
> 
> └───╼  qemu-x86_64 -version
> qemu-x86_64 version 2.8.50 (v2.8.0-2135-gdd4d257821-dirty)
> 
> └───╼  libvirtd --version
> libvirtd (libvirt) 3.2.0
> (from git)
> 
> └───╼  cat /etc/modprobe.d/kvm.conf
> options kvm ignore_msrs=1
> 
> └───╼  cat /etc/modprobe.d/vfio.conf
> options vfio_pci ids=10de:17c2,10de:0fb0
> options vfio_iommu_type1 allow_unsafe_interrupts=1
> 
> 2x Xeon x5650
> EVGA SR-2
> host: Nvidia Titan Black
> Guest: Nvidia Titan X (maxwell)
> 48Gb ram
> SDD guest: Kingston SSDnow v300 240Gb (vfio driver)
> XML: https://sl1pkn07.wtf/paste/view/6b1ade1f
> 
> gretings
> 
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