The new pnp module records causes older kldxref to spew some

warnings. Make a note of it to inform people how to get around it.

1 files changed, 8 insertions, 0 deletions

diff --git a/UPDATING b/UPDATING
index 2775c2260150..b02043904426 100644
--- a/UPDATING
+++ b/UPDATING
@@ -31,6 +31,14 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11.x IS SLOW:
 	disable the most expensive debugging functionality run
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20151211:
+	The code to start recording plug and play data into the modules has
+	been committed. While the old tools will properly build a new kernel,
+	a number of warnings about "unknown metadata record 4" will be produced
+	for an older kldxref. To avoid such warnings, make sure to rebuild
+	the kernel toolchain (or world). Make sure that you have r292078 or
+	later when trying to build 292077 or later before rebuilding.
+
 20151207:
 	Debug data files are now built by default with 'make buildworld' and
 	installed with 'make installworld'. This facilitates debugging but