Diff for /wikisrc/ports/xen/howto.mdwn between versions 1.104 and 1.105

version 1.104, 2016/12/20 03:50:04 version 1.105, 2016/12/20 03:57:26
Line 133  choose one or the other, because it affe Line 133  choose one or the other, because it affe
 NetBSD  NetBSD
 ------  ------
   
 The netbsd-5, netbsd-6, netbsd-7, and -current branches are all  The netbsd-6, netbsd-7, and -current branches are all reasonable
 reasonable choices, with more or less the same considerations for  choices, with more or less the same considerations for non-Xen use.
 non-Xen use.  Therefore, netbsd-6 is recommended as the stable version  Therefore, netbsd-7 is recommended as the stable version of the most
 of the most recent release for production use.  For those wanting to  recent release for production use.  For those wanting to learn Xen or
 learn Xen or without production stability concerns, netbsd-7 is likely  without production stability concerns, netbsd-7 is still likely most
 most appropriate.  appropriate.  Xen runs fine on netbsd-5, but the xentools packages are
   likely difficult to build.
   
 As of NetBSD 6, a NetBSD domU will support multiple vcpus.  There is  As of NetBSD 6, a NetBSD domU will support multiple vcpus.  There is
 no SMP support for NetBSD as dom0.  (The dom0 itself doesn't really  no SMP support for NetBSD as dom0.  (The dom0 itself doesn't really
 need SMP; the lack of support is really a problem when using a dom0 as  need SMP for dom0 functions; the lack of support is really a problem
 a normal computer.)  when using a dom0 as a normal computer.)
   
 Architecture  Architecture
 ------------  ------------
   
 Xen itself can run on i386 or amd64 machines.  (Practically, almost  Xen itself can run on i386 (some versions) or amd64 machines (all
 any computer where one would want to run Xen today supports amd64.)  versions).  (Practically, almost any computer where one would want to
   run Xen today supports amd64.)
   
 Xen, the dom0 kernel, and each domU kernel can be either i386 or  Xen, the dom0 kernel, and each domU kernel can be either i386 or
 amd64.  When building a xenkernel package, one obtains i386 on an i386  amd64.  When building a xenkernel package, one obtains i386 on an i386
 host, and amd64 on an amd64 host.  If the xen kernel is i386, then the  host, and amd64 on an amd64 host.  If the xen kernel is i386, then the
 dom0 kernel and all domU kernels must be i386.  With an amd64 xen  dom0 kernel and all domU kernels must be i386.  With an amd64 xen
 kernel, an amd64 dom0 kernel is known to work, and an i386 dom0 kernel  kernel, an amd64 dom0 kernel is known to work, and an i386PAE dom0
 should in theory work.  An amd64 xen/dom0 is known to support both  kernel should in theory work.  An amd64 xen/dom0 is known to support
 i386 and amd64 domUs.  both i386PAE and amd64 domUs.
   
 i386 dom0 and domU kernels must be PAE (except for Xen 3.1); these are  i386 dom0 and domU kernels must be PAE (except for Xen 3.1); these are
 built by default.  (Note that emacs (at least) fails if run on i386  built by default.  (Note that emacs (at least) fails if run on i386
Line 182  However, there are some open PRs indicat Line 184  However, there are some open PRs indicat
  - [PR 47720](http://gnats.netbsd.org/47720)   - [PR 47720](http://gnats.netbsd.org/47720)
   
 Note also that there are issues with sparse vnd(4) instances, but  Note also that there are issues with sparse vnd(4) instances, but
 these are not about Xen.  these are not about Xen -- they just are noticed with sparse vnd(4)
   instances in support of virtual disks in a dom0.
   
 Recommendation  Recommendation
 --------------  --------------
   
 Therefore, this HOWTO recommends running xenkernel42 (and xentools42),  Therefore, this HOWTO recommends running xenkernel45 or xenkernel46,
 xl, the NetBSD 6 stable branch, and to use an amd64 kernel as the  xl, the NetBSD 7 stable branch, and to use an amd64 kernel as the
 dom0.  Either the i386 or amd64 of NetBSD may be used as domUs.  dom0.  Either the i386PAE or amd64 version of NetBSD may be used as
   domUs.
   
 Build problems  Build problems
 --------------  --------------

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