Public bug reported:
Performing io intensive tasks on virtualized Windows causes the system
to visually stutter. I can often reproduce the problem by running fio on
windows:
fio --randrepeat=1 --ioengine=windowsaio --direct=1 --gtod_reduce=1
--name=test --filename=\\.\PhysicalDrive0 --bs=4k --iod
** Description changed:
Performing io intensive tasks on virtualized Windows causes the system
to visually stutter. I can often reproduce the problem by running fio on
windows:
fio --randrepeat=1 --ioengine=windowsaio --direct=1 --gtod_reduce=1
--name=test --filename=\\.\PhysicalDrive
I ran into the same problem on threadripper 1900X. I was using cpu type
"host-passthough" and it crashed. I fixed the crash by disabling the MSR
with
kvm.ignore_msrs=1
as describe in https://forum.level1techs.com/t/windows-10-1803-as-guest-
with-qemu-kvm-bsod-under-install/127425/10
--
You rece
You can find my libvirt XML attached. Here is the full qemu command
(taken from the ps output):
/usr/bin/qemu-system-x86_64 -name guest=win10,debug-threads=on -S
-object
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-7-win10
/master-key.aes -machine pc-q35-3.1,accel=kvm,usb=off,
