On 4/7/19 2:01 AM, Patrick O'Callaghan wrote:
On Sat, 2019-04-06 at 20:26 -0400, Sam Varshavchik wrote:
Tom Horsley writes:
Here's a weird one I just noticed: I've been using a
Windows 10 virtual machine to run my tax software.
I've got it displayed in virt-viewer and all is
well, then I close the virt-viewer window and
leave the KVM running. About 5 minutes later I
see a cpu suddenly pegged at 100%. I run top and see
that qemu is the culprit. I start virt-viewer
again, and it goes back to normal.
Anyone else seen this? Why would nobody looking at
it make it go crazy I wonder?
Because you're using Microsoft Windows 10. Its built-in spyware and
telemetry, that runs all the time and needs to report to Redmond, isn't cost-
free and is pretty hard on the CPU.
True, however QEMU-KVM also consumes significant CPU even when the
Windows guest is paused:
https://bugzilla.redhat.com/show_bug.cgi?id=1638289
poc
Whenever I have a problem with qemu-qvm, I install the latest
"upstream". It is 95% of the time fixed. if not, "upstream"
is extremely responsive to input. Great bunch of guys!
https://fedoraproject.org/wiki/Virtualization_Preview_Repository
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