[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [Bug 1775702] Re: High host CPU load and slower guest a
From: |
Alexandre DERUMIER |
Subject: |
Re: [Qemu-devel] [Bug 1775702] Re: High host CPU load and slower guest after upgrade guest OS Windows 10 to ver 1803 |
Date: |
Thu, 23 Aug 2018 05:31:03 +0200 (CEST) |
Hi,
proxmox users have reported this bug
https://forum.proxmox.com/threads/high-cpu-load-for-windows-10-guests-when-idle.44531/#post-213876
hv_synic && hv_stimer hyperv enlightments fix it
(seem to be related to some hpet change in windows)
----- Mail original -----
De: "Lemos Lemosov" <address@hidden>
À: "qemu-devel" <address@hidden>
Envoyé: Mercredi 1 Août 2018 08:43:46
Objet: [Qemu-devel] [Bug 1775702] Re: High host CPU load and slower guest after
upgrade guest OS Windows 10 to ver 1803
This bug affect me
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1775702
Title:
High host CPU load and slower guest after upgrade guest OS Windows 10
to ver 1803
Status in QEMU:
New
Bug description:
After upgrading Windows 10 guest to version 1803, guests VM runs
slower and there is high host CPU load even when guest is almost idle.
Did not happened with windows 10 up to version 1709.
See my 1st report here:
https://askubuntu.com/questions/1033985/kvm-high-host-cpu-load-after-upgrading-vm-to-windows-10-1803
Another user report is here:
https://lime-technology.com/forums/topic/71479-windows-10-vm-cpu-usage/
Tested on: Ubuntu 16.04 with qemu 2.5.0 and i3-3217U, Arch with qemu
2.12 i5-7200U, Ubuntu 18.04 qemu 2.11.1 AMD FX-4300. All three
platform showing the same slowdown and higher host cpu load with
windows 10 1803 VM compared to windows 10 1709 VM.
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1775702/+subscriptions