(nnmail-extra-headers): Add defvar.

[gnu-emacs] / etc / PROBLEMS

diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 5b0c4e5eee71160f8b8af608a14fec72af6020eb..c5ce84ff1b131a047f31bb85d6a8700a01cbe87b 100644 (file)
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -338,7 +338,7 @@ The solution is to use gawk (GNU awk).
 *** Emacs fails to understand most Internet host names, even though
 the names work properly with other programs on the same system.
 *** Emacs won't work with X-windows if the value of DISPLAY is HOSTNAME:0.
-*** GNUs can't make contact with the specified host for nntp.
+*** Gnus can't make contact with the specified host for nntp.
 
 This typically happens on Suns and other systems that use shared
 libraries.  The cause is that the site has installed a version of the
@@ -2376,8 +2376,12 @@ The fix is to install a newer version of ncurses, such as version 4.2.
 *** Linux: Segfault during `make bootstrap' under certain recent versions of the Linux kernel.
 
 With certain recent Linux kernels (like the one of Redhat Fedora Core
-1 and 2), the new "Exec-shield" functionality is enabled by default, which
-creates a different memory layout that breaks the emacs dumper.
+1 and newer), the new "Exec-shield" functionality is enabled by default, which
+creates a different memory layout that breaks the emacs dumper.  Emacs tries
+to handle this at build time, but if the workaround used fails, these
+instructions can be useful.
+The work-around explained here is not enough on Fedora Core 4 (and possible
+newer). Read the next item.
 
 Configure can overcome the problem of exec-shield if the architecture is
 x86 and the program setarch is present.  On other architectures no
@@ -2404,6 +2408,21 @@ command when running temacs like this:
 
     setarch i386 ./temacs --batch --load loadup [dump|bootstrap]
 
+ 
+*** Fedora Core 4 GNU/Linux: Segfault during dumping.
+
+In addition to exec-shield explained above "Linux: Segfault during
+`make bootstrap' under certain recent versions of the Linux kernel"
+item, Linux kernel shipped with Fedora Core 4 randomizes the virtual
+address space of a process. As the result dumping may fail even if
+you turn off exec-shield. In this case, use the -R option to the setarch
+command:
+
+   setarch i386 -R ./temacs --batch --load loadup [dump|bootstrap]
+
+or
+
+   setarch i386 -R make bootstrap      
 
 *** Fatal signal in the command  temacs -l loadup inc dump.
 
@@ -3542,8 +3561,8 @@ This problem will not happen if the m-...h file for your type
 of machine defines NO_UNION_TYPE.
 
 \f
-Copyright 1987,88,89,93,94,95,96,97,98,1999,2001,2002,2004
-  Free Software Foundation, Inc.
+Copyright 1987, 1988, 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+   2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
 
 Copying and redistribution of this file with or without modification
 are permitted without royalty provided this notice is preserved.