Author: imp
Date: Sat Apr 20 23:33:51 2013
New Revision: 249714
URL: http://svnweb.freebsd.org/changeset/base/249714
Log:
Add more details about updating across the clang divide.
Add hints about having a root shell around on live updates.
Couple of additional nits.
Modified:
head/UPDATING
Modified: head/UPDATING
==============================================================================
--- head/UPDATING Sat Apr 20 22:46:31 2013 (r249713)
+++ head/UPDATING Sat Apr 20 23:33:51 2013 (r249714)
@@ -12,9 +12,9 @@ Items affecting the ports and packages s
/usr/ports/UPDATING. Please read that file before running portupgrade.
NOTE: FreeBSD has switched from gcc to clang. If you have trouble bootstrapping
-from older versions of FreeBSD, try WITHOUT_CLANG and WITHOUT_CLANG_IS_CC to
-bootstrap to tip of head, and then rebuild without those options. The bootstrap
-process from older version of current is a bit fragile.
+from older versions of FreeBSD, try WITHOUT_CLANG to bootstrap to tip of
+head, and then rebuild without this option. The bootstrap process from
+older version of current is a bit fragile.
NOTE TO PEOPLE WHO THINK THAT FreeBSD 10.x IS SLOW:
FreeBSD 10.x has many debugging features turned on, in both the kernel
@@ -127,7 +127,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 10
This means that the world and kernel will be compiled with clang
and that clang will be installed as /usr/bin/cc, /usr/bin/c++,
and /usr/bin/cpp. To disable this behavior and revert to building
- with gcc, compile with WITHOUT_CLANG_IS_CC.
+ with gcc, compile with WITHOUT_CLANG_IS_CC. Really old versions
+ of current may need to bootstrap WITHOUT_CLANG first if the clang
+ build fails (its compatibility window doesn't extend to the 9 stable
+ branch point).
20121102:
The IPFIREWALL_FORWARD kernel option has been removed. Its
@@ -1609,6 +1612,11 @@ COMMON ITEMS:
path, and has the highest probability of being successful. Please try
this approach before reporting problems with a major version upgrade.
+ When upgrading a life system, having a root shell around before
+ installing anything can help undo problems. Not having a root shell
+ around can lead to problems if pam has changed too much from your
+ starting point to allow continued authentication after the upgrade.
+
ZFS notes
---------
When upgrading the boot ZFS pool to a new version, always follow
@@ -1674,7 +1682,6 @@ COMMON ITEMS:
make delete-old [6]
<reboot>
-
To cross-install current onto a separate partition
--------------------------------------------------
# In this approach we use a separate partition to hold
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