I remember similar problems with SL45 x86_64 upgrade:
ftp://ftp.scientificlinux.org/linux/scientific/45/x86_64/SL/RPMS/comps-45-0.20070625.x86_64.rpm

Lack of digital signature seems to halt installs over network.

> Bill Feero wrote:
>> While updating with the 4x repos.
>>
>> yum upgrade comps
>>
>> =============================================================================
>>  Package                 Arch       Version          Repository        Size
>> =============================================================================
>> Updating:
>>  comps                   i386       46-0.20080304    sl-base            10 M
>>
>> Transaction Summary
>> =============================================================================
>> Install      0 Package(s)
>> Update       1 Package(s)
>> Remove       0 Package(s)
>> Total download size: 10 M
>> Is this ok [y/N]: y
>> Downloading Packages:
>> (1/1): comps-46-0.2008030 100% |=========================|  10 MB    00:14
>>
>>
>> Package comps-46-0.20080304.i386.rpm is not signed
>>
>>
>> Bill
> 
> Hi,
> Sorry about that.
> It wasn't signed in either i386 or x86_64.
> Fixed, and redid createrepo as well.
> Troy
> -- 
> __________________________________________________
> Troy Dawson  [log in to unmask]  (630)840-6468
> Fermilab  ComputingDivision/LCSI/CSI DSS Group
> __________________________________________________

-- 
Chris Hunter
Systems Programmer, Astronomy Yale University
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