Description of problem:
irda-utils findchip segfaults because `outb' segfaults despite previous
successful ioperm(2).

Version-Release number of selected component (if applicable):
kernel-2.6.24.3-12.fc8.x86_64 (F8, broken)
but it work on: kernel-2.6.25-0.101.rc4.git3.fc9.x86_64 (Rawhide)

How reproducible:
Always.

Steps to Reproduce:
1. gcc -o outport outport.c -Wall -ggdb2

Actual results:
Segmentation fault

Expected results:
PASS

Additional info:
strace ./outport
...
ioperm(0x3f0, 0x1, 0x1)                 = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++

# gdb ./outport
...
(gdb) r
Starting program: /tmp/outport 

Program received signal SIGSEGV, Segmentation fault.
0x000000000040059b in main () at outport.c:14
14        __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
(gdb) x/i $rip
0x40059b <main+83>:     out    %al,(%dx)
(gdb) p/x $rdx
$1 = 0x3f0
(gdb)