[Bug 215315] "installing Linux as a guest in FreeBSD" documentation is stale

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Dec 24 20:17:32 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215315

Chris Rees <crees at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |Overcome By Events
                 CC|                            |crees at FreeBSD.org
             Status|New                         |Closed

--- Comment #1 from Chris Rees <crees at FreeBSD.org> ---
Thanks for your report.  I think the issue is now described by the second
paragraph:

The bhyve design requires a processor that supports Intel® Extended Page Tables
(EPT) or AMD® Rapid Virtualization Indexing (RVI) or Nested Page Tables (NPT).
Hosting Linux® guests or FreeBSD guests with more than one vCPU requires VMX
unrestricted mode support (UG). Most newer processors, specifically the Intel®
Core™ i3/i5/i7 and Intel® Xeon™ E3/E5/E7, support these features. UG support
was introduced with Intel's Westmere micro-architecture. For a complete list of
Intel® processors that support EPT, refer to
http://ark.intel.com/search/advanced?s=t&ExtendedPageTables=true. RVI is found
on the third generation and later of the AMD Opteron™ (Barcelona) processors.
The easiest way to tell if a processor supports bhyve is to run dmesg or look
in /var/run/dmesg.boot for the POPCNT processor feature flag on the Features2
line for AMD® processors or EPT and UG on the VT-x line for Intel® processors.

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