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https://issues.apache.org/jira/browse/CLOUDSTACK-8353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15544754#comment-15544754
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Andrija Panic commented on CLOUDSTACK-8353:
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We would like to solve this internally. What I see as source of documentation
is folowing: https://bugzilla.redhat.com/show_bug.cgi?id=990824 and similary
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1308341.
Any opinions if we should add the needed flag to all OS types during or only
for "Windows 7, Windows 2008 R2, and Windows PV" OS types ?
We are going to folow up with our internal investgation, but any opinion is
appreciated.
> 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: Bharat Kumar
>
> 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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