CVS commit: pkgsrc/emulators/wine-devel

["Maya Rashish" <maya%netbsd.org@localhost>]

Module Name:    pkgsrc
Committed By:   maya
Date:           Sun Sep 18 16:11:14 UTC 2016

Added Files:
        pkgsrc/emulators/wine-devel: MESSAGE

Log Message:
wine-devel: add note about NULL page not being mappable by default
under NetBSD, and how to work around it for programs that need it.

thanks maxv@ for keeping this optional.


To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 pkgsrc/emulators/wine-devel/MESSAGE

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Added files:

Index: pkgsrc/emulators/wine-devel/MESSAGE
diff -u /dev/null pkgsrc/emulators/wine-devel/MESSAGE:1.1
--- /dev/null   Sun Sep 18 16:11:14 2016
+++ pkgsrc/emulators/wine-devel/MESSAGE Sun Sep 18 16:11:13 2016
@@ -0,0 +1,10 @@
+===========================================================================
+$NetBSD: MESSAGE,v 1.1 2016/09/18 16:11:13 maya Exp $
+
+In NetBSD >= 8.0, it's not possible to map the NULL page for security
+reasons. Many Windows programs will crash from this limitation. You
+can disable it with:
+
+  # sysctl -w vm.user_va0_disable=0
+
+===========================================================================