https://bugzilla.kernel.org/show_bug.cgi?id=53641
Summary: nVMX: Windows as L2 guest doesn't work
Product: Virtualization
Version: unspecified
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: kvm
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
While Linux works fine as nested guests (L2), Windows of various versions do
not - which is of course a serious downside of KVM's nested VMX.
I verified this myself - seeing Windows 2000 hang on boot. It was also reported
by others and is not specific to Windows 2000, e.g. the following reports by
Gianluca Cecchi:
http://lists.fedoraproject.org/pipermail/virt/2011-June/002702.html
http://lists.fedoraproject.org/pipermail/virt/2011-November/002959.html
http://comments.gmane.org/gmane.comp.emulators.kvm.devel/82131
At some point during our research prototype, Windows L2 guests *did* work
(including Windows 2000), so it's probably not a big problem, but rather some
sneaky bug.
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