Re: New dumping problem...

[Masatake YAMATO]

> 
>     I succeeded in building Emacs under Fedora Core 4 with:
> 
>     ./configure args... ; setarch i386 -R make bootstrap
> 
> 1. Can people determine if this is a full solution?
> 
> 2. If it is, can we reprogram configure.in
> and the makefiles to do this automatically when it's called for?

It seems that only two Japanese-guys use Emacs on FC4:-)

Index: etc/PROBLEMS
===================================================================
RCS file: /cvsroot/emacs/emacs/etc/PROBLEMS,v
retrieving revision 1.176
diff -u -r1.176 PROBLEMS
--- etc/PROBLEMS        25 Jun 2005 04:48:24 -0000      1.176
+++ etc/PROBLEMS        26 Jun 2005 14:48:40 -0000
@@ -2377,7 +2377,9 @@
 
 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.
+creates a different memory layout that breaks the emacs dumper. 
+The work-around explained here is not enough on Fedora Core 4. 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 +2406,20 @@
 
     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 is failed even if
+you turn off the exec-shield. In such case use -R option of setarch
+command:
+
+   setarch -R i386 ./temacs --batch --load loadup [dump|bootstrap]
+
+or
+
+   setarch -R i386 make bootstrap      
 
 *** Fatal signal in the command  temacs -l loadup inc dump.