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