[Yum] Transaction Check Error, 'downgrade' from 64bit to 32 bit version of FF.

[Seth Vidal]

On Tue, 8 Jun 2010, Dave Pawson wrote:

> Running Fedora Core 13, 64 bit.
> I want to 'downgrade' to 32 bit version to get Flash (I know, no taste :-).
>
> Removed firefox. No problem
>
> $yum install firefox.i686
> Gives me a great big dependency list....
> then
>
> Transaction Summary
> ================================================================================
> Install      32 Package(s)
> Upgrade       0 Package(s)
>
> Total size: 31 M
> Installed size: 70 M
> Is this ok [y/N]: y
> Downloading Packages:
> Running rpm_check_debug
> Running Transaction Test
>
>
> Transaction Check Error:
>  package nss-softokn-3.12.4-19.fc13.x86_64 (which is newer than
> nss-softokn-3.12.4-17.fc13.i686) is already installed
>

The nss-softokn issue is a known problem in the fedora f13 repositories. 
You can downgrade nss-softokn and that has helped. Alternatively, I 
believe a fix is forthcoming in updates-testing.

-sv