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From "Andrija Panic (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8353) Including windows guest performance improvement flags like hv_vapic and hv_spinlock in CCP
Date Wed, 02 Nov 2016 10:45:58 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15628558#comment-15628558
] 

Andrija Panic commented on CLOUDSTACK-8353:
-------------------------------------------

Hi Rajani, no it's not solving the issue - we have 1 DC upgraded to ACS 4.8.0.1 and using
"Windows PV" as the OS type - and I can see there are zero of additional flags for HyperV
Enligmnet enabled. So this is not addressed (at least properly) in 4.7 release as mentioned
in separate ticket.

I will try to change OS type to "Windows 2008" in ACS, to see if this is addressed with this
kind of OS type.

> Including windows guest performance improvement flags like hv_vapic and hv_spinlock in
CCP
> ------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-8353
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8353
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: KVM
>    Affects Versions: 4.5.0
>            Reporter: Bharat Kumar
>            Assignee: Rajani Karuturi
>
> There is a bug in KVM that causes a BSOD for Windows 2008 R2 and 7 or earlier. fix was
added in libvirt 1.1.1 The fix requires enabling the "hv_relaxed" option for the affected
VMs. 



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