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-rw-r--r--metadata/news/2021-10-18-libxcrypt-migration-stable/2021-10-18-libxcrypt-migration-stable.en.txt31
1 files changed, 24 insertions, 7 deletions
diff --git a/metadata/news/2021-10-18-libxcrypt-migration-stable/2021-10-18-libxcrypt-migration-stable.en.txt b/metadata/news/2021-10-18-libxcrypt-migration-stable/2021-10-18-libxcrypt-migration-stable.en.txt
index 1b80f95cc5ea..d821eace0bb1 100644
--- a/metadata/news/2021-10-18-libxcrypt-migration-stable/2021-10-18-libxcrypt-migration-stable.en.txt
+++ b/metadata/news/2021-10-18-libxcrypt-migration-stable/2021-10-18-libxcrypt-migration-stable.en.txt
@@ -13,7 +13,10 @@ this has been tested for years already) and switching to the
external libxcrypt implementation, now also in stable installations.
This will be a regular update, and in nearly all cases you
-will not have to take any action and not observe any problems.
+will not have to take any action and not observe any problems. If
+you hit issues, please read on.
+
+## Upgrades before 2021-11-01
We do recommend, however, that your system is *fully* up
to date first. This is a standard recommendation but in this
@@ -21,6 +24,14 @@ specific case, it is useful to have a simplified depgraph
to ensure that Portage is able to smoothly calculate
an upgrade path.
+Please take the opportunity to fully upgrade your
+systems now, before the migration occurs, to simplify matters
+
+This change will occur on 2021-11-01 for stable users.
+~arch users by default should already have switched.
+
+## General advice
+
We also recommend being in a root shell (not via 'sudo'
or similar tools) so that if any issues occur during the upgrade,
you are not locked out of the console. It is not expected
@@ -32,11 +43,7 @@ aggressive in protecting even orphaned files. Instead,
use FEATURES="unmerge-orphans" which is almost identical
in behaviour.
-That is, please take the opportunity to fully upgrade your
-systems now, before the migration occurs, to simplify matters.
-
-This change will occur on 2021-11-01 for stable users.
-~arch users by default should already have switched.
+## Delaying the migration
If for whatever reason you do *not* wish to switch now -
which is only delaying the inevitable - you
@@ -46,6 +53,8 @@ need to take the following steps:
* mask >=virtual/libcrypt-2
* unmask virtual/libcrypt:0/1
+## Migrating early
+
If you wish to manually migrate now, there are a series
of steps described on the wiki (see below), but the outline is:
* unforce the crypt USE flag of sys-libs/glibc and disable it
@@ -53,12 +62,16 @@ of steps described on the wiki (see below), but the outline is:
and enable it
* unmask ~virtual/libcrypt-2
+## PAM warning
+
Please note that if you last changed your password before ~2008,
it may be using md5crypt or similar other weak mechanisms in /etc/shadow;
a bug in PAM [0][1] may mean that you were unable to login. We recommend
using "passwd" to change/refresh your password so it is using modern
methods. A new version of PAM has been added to the tree to resolve this issue.
+## Build failures
+
In some cases, Portage may schedule a rebuild of certain packages in an
incorrect order [2]. If building a package fails, please try upgrading
Python itself to help avoid spurious build failures, and then
@@ -69,7 +82,9 @@ libcrypt and libxcrypt first:
And then continue the world upgrade with Portage's "--keep-going=y".
-If you hit conflicts, please see the wiki page linked below, but
+## Blockers/conflicts
+
+If you hit blockers/conflicts, please see the wiki page linked below, but
common helpful tips are:
* try more backtracking (e.g. --backtrack=1000)
* try --ignore-built-slot-operator-deps=y temporarily on the world upgrade,
@@ -77,6 +92,8 @@ then run a world upgrade again without it.
Do NOT attempt to unmerge glibc at any point.
+## More help
+
For more information or troubleshooting tips, please see:
* https://wiki.gentoo.org/wiki/Project:Toolchain/libcrypt_implementation
* https://bugs.gentoo.org/699422