[WBEL-users] troubles with yum on ia32e machines (Xeon 64-bit)

[bishop]

Marcel,

I think your solution is very good.  Better would be an ia32e repository 
somewhere, but your fix will prevent a nasty bug.

I think you should submit it to the YUM maintainers.

  - bish

Marcel Gsteiger wrote:

> Hi all
> 
> I just have installed a proliant ML370G4 (ia32e). After installing kernel-2.4.21-20.EL.ia32e.rpm, yum died with a IndexError: list index out of range message in clientStuff.py, function 'bestversion'.
> 
> Further analysis revealed that the problem comes from the fact that my kernel's arch is neither x86_64 nor i386. (i have to use the ia32e kernel to make the box run, the x86_64 kernel does not boot).
> 
> Obviously yum is unable to handle the case where there is a package installed for an architecture it does not know about.
> 
> I fixed the problem by testing for the case of an empty list before assigning currentarch, as follows:
> 
> clientStuff.py:
> 
> def bestversion(nevral, name):
>     """this takes a nevral and a pkg name - it iterates through them to return
>        the list of archs having the highest version number - so if someone has
>        package foo.i386 and foo.i686 then we'll get a list of i386 and i686 returned
>        minimum of one thing returned"""
>     # first we get a list of the archs
>     # determine the best e-v-r
>     # then we determine the archs that have that version and append them to a list
>     returnarchs = []
> 
>     archs = archwork.availablearchs(nevral, name)
>     # inserted the following line to check for unknown architectures oct 6, 2004 marcel.gsteiger@milprog.ch
>     if archs == []: return returnarchs
> 
>     currentarch = archs[0]
>  (...continued)
> 
> 
> archwork.py:
> 
> def bestarch(archlist): 
>     # inserted the following line to check for unknown architectures oct 6, 2004 marcel.gsteiger@milprog.ch
>     if archlist == []: return None
>     currentarch = archlist[0]
>     for arch in archlist[1:]:
>         currentarch = betterarch(currentarch, arch)       
>     return currentarch   
> 
> After these two modifications, my yum works again (finally...)
> 
> Maybe there is an easier solution to this problem...
> 
> Regards
> --Marcel
> 
> 
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