Achim Gsell wrote:
> On Tuesday 14 July 2009 15:48, Troy Dawson wrote:
>> Gasser Marc wrote:
>>> Hello SL Users,
>>>
>>> We have for instance the following situation:
>>>
>>> - SL51 host with kernel-2.6.18-53.1.4.el5 (among others)
>>>
>>> - kernel-module-openafs-2.6.18-53.1.4.el5    2    1.4.6    73.slp5
>>> is installed but removed recently from the update repo.
>>>
>>> - kernel-module-openafs-2.6.18-53.1.4.el5    0    1.4.6    58.SL5
>>> is still in the sl51base repo, but not installed
>>>
>>> Now, when I am running "yum update" on a SL51 system with the
>>> kernel kernel-2.6.18-53.1.4.el5 installed, the kernel-module
>>> plugin (package yum-3.0.6-3.sl) tries to install
>>>
>>>      kernel-module-openafs-2.6.18-53.1.4.el5    0    1.4.6    58.SL5
>>> from the sl51base repo. Eventually, yum fails with the corresponding
>>> message "blabla which is newer is already installed".
>>>
>>> Why does the kernel-module plugin
>>> only check what's the newest version of a kernel module
>>> in the repo and sets it to be installed,
>>> regardless if the version installed is newer.
>> Because we hadn't heard of anyone putting a higher epoch in their
>> kernel-modules and then taking them out.
> 
> The problem is not related to the epoch. It occurs as soon as you install a 
> kernel module via rpm which is 
> 1) not in any repository (with the version you installed via rpm) 
> 2) but have an older version in some repository.
> 3) and then run "yum upgrade"
> 
> Another possibility to run into the same problem is:
> 1) We have kernel module foo with version 1.42 in repository A and with 
> version 0.42 in repository B. 
> 2) We install the kernel module via yum. Version 1.42 will be installed.
> 3) We remove version 1.42 from repository A - for some reason.
> 4) We run "yum upgrade". Now the kernel-plugin of yum wants to install version 
> 0.42, but 1.42 is already installed!
> 

You are correct.
The plugin is at /usr/lib/yum-plugins/kernel-module.py
Feel free to fix it.
Troy
p.s. Why in the world do you keep adding and removing all these kernel 
modules from your repositories?  If you like a kernel module, keep using 
it, don't just take it away.
-- 
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Troy Dawson  [log in to unmask]  (630)840-6468
Fermilab  ComputingDivision/LCSI/CSI LMSS Group
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