[Qemu-devel] [Bug 1530246] Re: Suppressing kvm rdmsr errors to console

[Thomas Huth]

I think this has been likely fixed by the following commit here:
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=fab0aa3b776f0a3af1db1f5
... which is part of upstream kernel v4.15.

** Changed in: qemu
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1530246

Title:
  Suppressing kvm rdmsr errors to console

Status in QEMU:
  Fix Released

Bug description:
  I am seeing numerous kvm rdmsr messages logged to /dev/tty1 (console),
  and would like to know how to suppress these messages. I've attempted
  "echo 1 > /sys/module/kvm/parameters/ignore_msrs" and the messages
  still appear on tty1.

  I'm seeing the following rdmsr messages:
  kvm [22212]: vcpu0 ignored rdmsr: 0x606
  kvm [22212]: vcpu0 ignored rdmsr: 0x611
  kvm [22212]: vcpu0 ignored rdmsr: 0x639
  kvm [22212]: vcpu0 ignored rdmsr: 0x641
  kvm [22212]: vcpu0 ignored rdmsr: 0x619
  kvm [22212]: vcpu0 ignored rdmsr: 0x1ad

  
  The following QEMU/KVM RPMs are installed:
  ipxe-roms-qemu-20130517-7.gitc4bce43.el7.noarch
  libvirt-daemon-driver-qemu-1.2.17-13.el7_2.2.x86_64
  libvirt-daemon-kvm-1.2.17-13.el7_2.2.x86_64
  qemu-img-ev-2.3.0-31.el7_2.4.1.x86_64
  qemu-kvm-common-ev-2.3.0-31.el7_2.4.1.x86_64
  qemu-kvm-ev-2.3.0-31.el7_2.4.1.x86_64
  qemu-kvm-tools-ev-2.3.0-31.el7_2.4.1.x86_64

  uname -a
  Linux server 3.10.0-327.el7.x86_64 #1 SMP Thu Nov 19 22:10:57 UTC 2015 x86_64 
x86_64 x86_64 GNU/Linux

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