For many years, I have reliably used read-only partitions for /usr and
/usr/local. -current sysmerge breaks that assumption.
i7v64:OpenBSD/sysmerge 980>CMD="env PAGER=cat sysmerge -b -s ${ETC_TGZ} -x
${XETC_TGZ}"
i7v64:OpenBSD/sysmerge 981>sudo $CMD
===> Fetching file:///nas2/public/OpenBSD/snapshots/amd64/etc56.tgz
===> Fetching file:///nas2/public/OpenBSD/snapshots/amd64/SHA256.sig
===> Verifying etc56.tgz against /etc/signify/openbsd-56-base.pub
===> Fetching file:///nas2/public/OpenBSD/snapshots/amd64/xetc56.tgz
===> Verifying xetc56.tgz against /etc/signify/openbsd-56-base.pub
===> Populating temporary root under /var/tmp/sysmerge.GhoorXuSHR/temproot
mv: rename /var/tmp/sysmerge.GhoorXuSHR/etcsum to //usr/share/sysmerge/etcsum:
Read-only file system
mv: rename /var/tmp/sysmerge.GhoorXuSHR/xetcsum to
//usr/share/sysmerge/xetcsum: Read-only file system
===> Starting comparison
===> ./etc/changelist will remain for your consideration
===> ./etc/rc.conf will remain for your consideration
===> ./etc/ssh/sshd_config will remain for your consideration
===> ./etc/systrace/usr_sbin_lpd will remain for your consideration
===> ./etc/systrace/usr_sbin_named will remain for your consideration
===> ./etc/ttys will remain for your consideration
===> ./etc/X11/xdm/xdm-config will remain for your consideration
===> ./etc/mail/aliases will remain for your consideration
sha256: ///usr/share/sysmerge/examplessum: Read-only file system
**** ERROR: failed to create examplessum checksum file
Here's a fix for current and the FAQ:
retrieving revision 1.526
diff -u -p -u -p -r1.526 current.html
--- current.html 14 Jul 2014 05:48:51 -0000 1.526
+++ current.html 18 Jul 2014 16:14:07 -0000
@@ -62,6 +62,7 @@
<li><a href="#20140710">2014/07/10 - ifconfig(8) ABI break</a>
<li><a href="#20140711">2014/07/11 - IPv6 autoconf changes</a>
<li><a href="#20140713">2014/07/13 - Addition of sendsyslog(2) system call</a>
+<li><a href="#20140716">2014/07/16 - sysmerge requires writeable /usr
partition</a>
</ul>
@@ -628,6 +629,11 @@ sendsyslog(2) system call introduced aro
<p>
A kernel containing the system call is required perhaps even for getting
single user; so use of upgrades is recommended.
+
+<a name="20140716"></a>
+<h3>2014/07/16 - sysmerge requires writeable /usr partition</h3>
+The /usr filesystem must be writeable. A read-only partition will
+result in failures reported by sysmerge.
<hr>
<br>
Index: faq4.html
===================================================================
RCS file: /pub2/cvsroot/OpenBSD/www/faq/faq4.html,v
retrieving revision 1.339
diff -u -p -u -p -r1.339 faq4.html
--- faq4.html 15 Jul 2014 00:24:32 -0000 1.339
+++ faq4.html 18 Jul 2014 15:58:50 -0000
@@ -2331,9 +2331,7 @@ Some of the things that end up here (and
This is where most of OpenBSD resides.
Program binaries, libraries, documentation, manual pages, etc. are all
located in the <tt>/usr</tt> directory.
-The files in this mount point are relatively unchanging -- in many
-cases, you could easily mount the <tt>/usr</tt> partition read-only with
-no other system changes until your next upgrade or update.
+The files in this mount point are relatively unchanging.
<li><b>/usr/X11R6:</b>
This is where the X Window system resides.