32bit firefox plugins for a x86_64 machine

As you know, I have at home a dual opteron system. This machine is recently upgraded up to 4GB of RAM… so I decided to install a new Linux kernel (at that time it was the

After the upgrade, the nspluginwrapper didn’t work any more!

A received an error like:
npviewer.bin: cannot execute binary file

But Google didn’t gave me any solution… but after some brainstorming I realised that I didn’t enable the IA32 support in the kernel.

It is about the next options in the config file:

Update: I submitted a bug at bugzilla of Gentoo and there is a discussion about it