Index: emacs/etc/PROBLEMS
diff -c emacs/etc/PROBLEMS:1.178 emacs/etc/PROBLEMS:1.179
*** emacs/etc/PROBLEMS:1.178 Thu Jun 30 16:30:53 2005
--- emacs/etc/PROBLEMS Sun Jul 3 21:47:06 2005
***************
*** 2376,2383 ****
*** 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.
Configure can overcome the problem of exec-shield if the architecture is
x86 and the program setarch is present. On other architectures no
--- 2376,2385 ----
*** 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 newer), the new "Exec-shield" functionality is enabled by default, which
creates a different memory layout that breaks the emacs dumper.
+ 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
***************
*** 2404,2409 ****
--- 2406,2427 ----
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 -R i386 ./temacs --batch --load loadup [dump|bootstrap]
+
+ or
+
+ setarch -R i386 make bootstrap
+
*** Fatal signal in the command temacs -l loadup inc dump.
This command is the final stage of building Emacs. It is run by the
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