Hi,

we are running the hyperv flags since months in our Win7 VMs without any issue. 
As we are still on OVirt 3.4 FC20 infrastructure we set them with hooks (and 
really depend on them).

Maybe RHEL related?

Markus

Am 24.10.2014 18:22 schrieb Charles Gruener <[email protected]>:
https://bugzilla.redhat.com/show_bug.cgi?id=1110305

This enabled the hv_relaxed flag on all my Windows VMs, causing them to no 
longer boot.  The same thing would happen if I simply booted from the Windows 
install media.  I would get a screen with a stop error:

Your PC needs to restart.
Please hold down the power button.
Error Code: 0x0000001E
Parameters:
0xFFFFFFFFC0000096
0xFFFFF802C4044EA4
0x00000000000000000
0x00000000000000000

I created a file called /etc/ovirt-engine/osinfo.conf.d/01-windows.properties 
that had one line:

os.windows_xp.devices.hyperv.enabled.value = false

I restarted ovirt-engine and now I can start my Windows VMs.

Why does this occur?  Is it because I upgraded from 3.4 to 3.5?  Is there 
something else I'm doing wrong?  I would like to not need this workaround.  
Thanks.

Charles
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