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xen howto: catch up with xen versions in pkgsrc

xen howto: retract hopeful statement about EFI

on rereading the thread, it isn't supported

xen howto: BIOS/EFI and ugprade improvements

Note that one needs to use BIOS boot, not EFI, for a dom0, for now.

Thanks to Greg Woods for details about updating Xen in a dom0; this
text is summarized from on and off list comments.

xen howo: rototill some more

redo virtualization types

Separate provider-specific pvgrub info into sections.  Declare that
only providers that actually support NetBSD are listed.

general editing; no really significant changes.

adjust pv/hvm wording

xen: rototill SMP and PV/HVM/etc. sections

There is no boot.cfg keyword "losad".  Presumably "load" was intended.

change howto to howto and status

xen: explain type line in config

xen: Clarify HVM/PVHVM not making sense for dom0

xen howto: caution about root=

xen: add todo about balloon

xen: update domU HVM/PVH sections

xen: Caution against top-level userconf

xen howto: console/boot tweaks

per hints from bouyer@

xen: rototill console section

xen howoto: tweak powerd text

xen: improve booting info

xen: Demote info about migration from grub

At this point anything about grub is ancient history and there's no
reason to believe there are any maintained netbsd/xen systems with
grub.  We already have a place to store the old info, so simply demote
the conversion information to tidy the main HOWTO.

xen: add note about kvm

xen: netbsd domU tweaks

xen: minor rototilling

rototill to 4.13 from earlier as recommended

xen: move netbsd info to netbsd section

xen: purge xm

explain netbsd versions

xen: rewrite intro

regularize markup

Rewrite PVH.  Add sections

Explain PVHv1

xen: nits

note qemu and HVM

xen: edit/update

xen: markup

xen: markup

xen: add link to netbsd5 crash

xen: markup

xen howto: Update PVH/PVHVM

xen howto: Update PVHVM/PVH for current

s/less than/up to/

as domains can have 'less than or equal to' the number of CPUs seen
by the hypervisor, but that is cumbersome to say

web commit by jdolecek: Moved pygrub under pvgrub and heavily discouridged the use. Also add the note that pygrub doesn't seem to actually work for Linux DomUs under NetBSD Dom0

xen hotwo: clarify i386/amd64 issues

ports/xen/howto: Update eol status

Remove stray comma

Calling two a large number is a bit of an exaggeration.

Remove the untrue statement "By default, `xl` looks for domain config
files in `/usr/pkg/etc/xen`".  Also attempt to reduce confusion
between config file names and domain name.

ports/xen/howto.mdwn: mention LVM in an example

rename one section, for consistency

more noise reduction, and also add a summary at the beginning

improve a bit

noise reduction police, and clarify a few things

Noise reduction again, and use ikiwiki markers to improve the style.

web commit by martin: Add name= config entry for domUs, with xl it is a mandatory item.

noise reduction police

Remove references to non-PAE i386.

less noise, more swag

More noise reduction, fix typo, and use the proper ikiwiki style.

Remove the noise surrounding PAE.

Improve the table, remove more duplicated noise (eg "Recommendation",
already said in other sections).

Reduce the noise in the introduction, use a table.

Remove the "Stability" section, it is useless.

reorg a little

Some more noise reduction: rename one section, recommend NetBSD-8, remove
references to xen 3.x.

Reduce the noise:

 - Sum up the "Xen" section in a single, readable table.

 - Remove the "Status" section, it is pointless and probably
   inaccurate.

 - Remove the "Using npf" section. We do have support for kernel
   modules now, and basically, that kind of stuff shouldn't be in
   a Xen howto.

 - Remove the "missing kernel modules support" from the TODO list,
   we do have that now. By the way, we should probably remove this
   TODO section. This page is supposed to be a HowTo, not a page
   where we put some random things.

Give a title to the page, and remove reference to a closed PR. Frankly,
this page is a huge TLDR, 90% of the content is either inaccurate or
useless.

web commit by jdolecek

xen: partially catch up to modern situation

No longer link to PR 47720

This PR (port-xen/47720) has been closed for over two years now.

Use HTTPS where known possible

This notably avoids warnings with the security of the page (eg for the
links to images).

Make the text about using a serial console for the dom0 more consistent
with reality.

Fix typo.

Note removal of 3.1, 3.3 and 4.1 from pkgsrc-current

Threaten purging them from the HOWTO after 2017Q1 is cut.

Advise staying up to date

Mention the 2016-12 ubuntu/46 fix.

Adjust architecture section

Add link to "expensive syscalls on amd64" xen-devel message.
Make assorted minor improvements, including explaining how machine
size relates to sum of dom[0U] sizes.

Add missing space. Completely different feeling compared to the usual removals.

Explain xen/dom0 arch better

Resolve which-daemon confusion

There are two issues: 3 vs 4, and xm vs xl.  Resolve after discussion
with bouyer@.

Clarify 45/46 recommendation

(Based on bouyer@ input.)

Tone down xl/parallel fear

update hardware

Add more xentools3* data on netbsd-6 i386

(Yes, I realize this doesn't really matter, but I am cleaning up old
data.)

Update xm/xl info

Also, explain /dev file creattion better.

Add more build info

Rototill build section again

Add a notation if what builds actually works.  (It's not clear if this
is really useful; perhaps it is just a public note-to-self.)

Update build list

Clarify "amd64" in more places

Tabify build list

Rototill build problems section

Drop netbsd-5 build info

Clarify that "amd64 dom0" is about NetBSD version, not brand

Explain that FreeBSD needing VT-x does not apply

Recommend recent netbsd-7

Add link to 2015-11 pullup of scheduler fix.
Add link to another HOWTO.

Update HW support for HVM section

(From bouyer@ on port-xen.0

Fix confusing typo in Xen version

Update supported Xen versions

Note versions not in pkgsrc

Note 41/42/45/46 patch date.

Spelling/capitalization fixes.

Enhance xen upgrade section

Change module notion.

Clarify versions/i386 as being Xen, not CPU versions

Allow that -current is ok for hacking

Caution against using xm.

Update recommendations

Rototill versions

Add security patch data.

Prune stray sentence

Adjust version info

Add cautions about upgrade issues.

adjust PAE comments

Tweak previous

Explain the i386/amd64 situation more clearly and more accurately.

fix spacing/tabs for literal text

Add some mobo/cpu combos

Add XSA page.

Miscellaneous minor edits.

add another pointer

Add a few links, and fix typos.

Note that /netbsd should exist in a domU for kmem.

Turn PR links into real links.

fix spaces (cosmetic)

Add stability notes.

Reference PRs from gson@ and caution against sparse vnd(4).

Note that xenstored cannot be usefully restarted.

Admonish to start xencommons before xl.

Add 4.5 rc.conf hints, and fix xentools41/xendomains comments.

mention that 4.5 has just arrived, but is not ready

note in qemu section the shutdown pr

Note xl example should come first.

add xen/qemu example

fix typo

Strengten TODO about xm/xl text cleanup.

clarify xm/xl preference, and put in placeholder for an xl example.

fix anita pkgsrc path, from gson@

Add serial console example from gson@.

Clarify when to boot into xen.

Based on comment from gson@.

Remove duplication about netbsd kernel as confusing.

Suggestion from gson@.

note about multiple vcpus

merge paragraphs

Spell prgmr correctly.   (For some reason this is challenging.)

clarify panix block sizes/defaults

more pvgrub, panix links

note build results on netbsd-7 i386

s/py-grub/pygrub/

TODO nits

clarify grub UFS2

add semi-random todo list

more build results

more build results

update what builds and what doesn't

add link to xen grub ffs code

web commit by dmcmahill: typo fix (s/anme/name)

expand vps section

update hypervisor language  to catch up with 2014 vs 2004 terminology

fix screenshot link

Note xendomains 41 xm/xl fix

explain how to switch from grub to /boot

reorg ancient grub bits

fix domain0 -> dom0

fix ordering of daemons

reformat pci passthrough
update prmgr/pvgrub a bit

better link to SMP dom0 issues

Move solaris to own page.

redo netbsd domU instructions.

clean up Linux domU from pandoc conversion.

move config file section earlier.

expand on disk arguments.
explain xendomains

clean up example config

explain networking

add a domU example config

note that small-memory machines can be used for experimentation.

Add TODO entry about npf on domU

hoist some notes from netbsd domU to dom0 setup

clarify start/reboot after enabling dom0 daemons

add notes about anita

mention modules issues
mention GENERIC != XEN3_DOMU in terms of options

give dd example for disk

explain where domU kernels come from

note that xm dmesg can use xl

Add suggestion to limit vcpu and pin for dom0, from jnemeth@.

Add section on build problems.

Detabify verbatim block.

Add blank line before verbatim block.

Tweak which-daemons advice.

Fill out resources to domU section.

Explain virtual disks.

fix spacing in verbatim

attempt to fix formatting of rc.d examples.

Split by xen version, and sprinkle TODOs.

clarify that amd64 dom0 is about NetBSD kernel

Strengthen hint to use amd64 hardware.

Move 4.2-last-i386 bit, and add TODO to clarify.

Note that 3.1 supports non-PAE on i386.

Suggest netbsd-7 for those wanting to learn vs run production systems.

Add skeleton for generic domU section.

Add section about VPS domU, where you don't control dom0.

Merge link section.

- mention that Xen 4.2 is the last version to support i386 as a host
- grammar, spelling
- xen.org -> xenproject.org
- fix links
- note that installation concepts are independent of both Xen version
  and NetBSD version
- correct last version for xm
- add link to the Guide page for LVM
- note that the xend rc.d script should only be used when using xm
- make manpage references look nicer
  - these should be fixed up to be links like they were in htdocs

XXX  The example domU configs still need work.

grammar nit

speling

clarify dom0/domU scope vs VPS

typos

Clarify RAID1 booting.

Explain how to convert from grub to /boot.

rc.conf for 3.3, 4.1 and 4.2

Trim installation.

Don't open-code "install amd64" or pkgsrc.

Demote grub text to howto-grub.

Explain PCI passthrough early on.

Recommend only /boot (but grub has a pointer in the history section).

explain history.

explain xm/xl

redo installation

address amd64 vs i386

tighten up spacing

fix link

add advice on versions

fix header levesl.

fix dom0 and domU capitalization.

fix header levels

rewrite Intro

I was heavy-handed.  Please let me know if you object.

remove static TOC.

This is apparently from the pandoc conversion.

drop broken link to gutch.de, 404 domain

try to fix link formatting

rescue links from xml

fix some issue sin the howto

web commit by mspo

start from cleaner pandoc conversion

fix up some code blocks, part 2

fix up some code blocks, part 1

start trying to fix code block formatting

add xen howto and link to it