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Re: [vfio-users] kvm_get_msr_common: XXX callbacks suppressed



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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