Bug 1276869 - [kernel] kvm[]: vcpu0/1 unhandled rdmsr: 0x570
[kernel] kvm[]: vcpu0/1 unhandled rdmsr: 0x570
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
x86_64 Linux
unspecified Severity unspecified
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Assigned To: fedora-kernel-kvm
Fedora Extras Quality Assurance
: Reopened
Depends On:
  Show dependency treegraph
Reported: 2015-10-31 14:26 EDT by Joachim Frieben
Modified: 2015-11-14 03:26 EST (History)
6 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2015-11-02 12:52:41 EST
Type: Bug
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Linux Kernel 102651 None None None Never

  None (edit)
Description Joachim Frieben 2015-10-31 14:26:09 EDT
Description of problem:
The system log produced by dmesg on a Fedora 23 system repeatedly contains entries:

    "kvm[]: vcpu0 unhandled rdmsr: 0x570
    "kvm[]: vcpu1 unhandled rdmsr: 0x570"

when running a virtual machine in gnome-boxes.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Run a virtual machine in gnome-boxes.

Actual results:
dmesg returns kvm messages about unhandled rdmsr.

Expected results:
No kvm messages about unhandled rdmsr.

Additional info:
Comment 1 Josh Boyer 2015-11-02 08:13:18 EST
Yes, we see this often.  It is informational.  Any changes need to be done upstream.
Comment 2 Joachim Frieben 2015-11-02 12:03:56 EST
This bug has already been reported upstream in bug https://bugzilla.kernel.org/show_bug.cgi?id=102651 but it has not been resolved yet.
Comment 3 Josh Boyer 2015-11-02 12:52:41 EST
As I said, this needs to be done upstream.  It turns out it already is with:


That will be in the upcoming 4.4 kernel release.  Fedora will inherit that through its normal kernel update process.
Comment 4 Joachim Frieben 2015-11-14 03:26:33 EST
Related entries still appear for kernel-4.4.0-0.rc0.git9.1.fc24.

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