cobbler buildiso报错

[root@spacewalk ~]# cobbler buildiso
task started: 2012-06-14_191856_buildiso
task started (id=Build Iso, time=Thu Jun 14 19:18:56 2012)
using/creating buildisodir: /var/cache/cobbler/buildiso
building tree for isolinux
copying miscellaneous files
Exception occured: <class 'cobbler.cexceptions.CX'>
Exception value: 'Required file not found: /usr/lib/syslinux/isolinux.bin'
Exception Info:
File "/usr/lib/python2.6/site-packages/cobbler/utils.py", line 126, in die
raise CX(msg)

Exception occured: <class 'cobbler.cexceptions.CX'>
Exception value: 'Required file not found: /usr/lib/syslinux/isolinux.bin'
Exception Info:
File "/usr/lib/python2.6/site-packages/cobbler/remote.py", line 89, in run
rc = self._run(self)
File "/usr/lib/python2.6/site-packages/cobbler/remote.py", line 155, in runner
self.logger
File "/usr/lib/python2.6/site-packages/cobbler/api.py", line 940, in build_iso
iso=iso, profiles=profiles, systems=systems, buildisodir=buildisodir, distro=distro, standalone=standalone, source=source, exclude_dns=exclude_dns
File "/usr/lib/python2.6/site-packages/cobbler/action_buildiso.py", line 539, in run
utils.die(self.logger,"Required file not found: %s" % f)
File "/usr/lib/python2.6/site-packages/cobbler/utils.py", line 134, in die
raise CX(msg)

!!! TASK FAILED !!!

  Solution:

[root@spacewalk ~]# yum install syslinux.x86_64 syslinux-tftpboot.x86_64