unresolvable chain of dependencies

By default, up2date skips kernel packages.  (Why is that?) 
Because of
this, RHN says that my server is out of date and that there
are critical
updates to be applied.  

So, I removed the skipping of kernel patches and did
"up2date -u" and got
the following.  I looked on bugzilla and didn't find this
listed at all,
and I'm wondering if I'm okay to ignore this (critical!)
kernel update.

Fetching Obsoletes list for channel: rhel-x86_64-es-4...

Fetching rpm headers...

Name                                    Version        Rel  
  
----------------------------------------------------------
kernel                                  2.6.9         
42.0.2.EL        
x86_64
kernel-devel                            2.6.9         
42.0.2.EL        
x86_64
kernel-doc                              2.6.9         
42.0.2.EL        
noarch
kernel-smp                              2.6.9         
42.0.2.EL        
x86_64
kernel-smp-devel                        2.6.9         
42.0.2.EL        
x86_64
kernel-utils                            2.4           
13.1.83          
x86_64


Testing package set / solving RPM inter-dependencies...
There was a package dependency problem. The message was:

Unresolvable chain of dependencies:
kernel-2.6.9-42.0.2.EL                   conflicts with
ipw2200-firmware <
2.2 
kernel-smp-2.6.9-42.0.2.EL               conflicts with
ipw2200-firmware <
2.2 

Thanks for any advice you can give.

Scott

--
Scott D. Anderson
Computer Science Department
Wellesley College
Scott.Andersonacm.org


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