Re: Kernel i686 and glibc i386 ?

[fang beamer8 physics yale edu]

On Wed, 30 Oct 2002, Jakub Jelinek wrote:

> On Wed, Oct 30, 2002 at 10:05:05AM +0100, Georges Rosset wrote:
> > Hello,
> > 
> > I have a Linux RedHat 7.2 running on a PIII.
> > The kernel running is the i686 version, however, for
> > some reason, the glibc installed version is the i386 version. Is
> > this normal ?
> 
> Nope.
> 
> > However, the system is working normally.
> > 
> > Could someone explain on which occurrence the i686 glibc library should
> > be used, and if I should install it on this system instead of the i386 ?
> 
> It is an optimization. The i386 version should work, but i686 should
> be faster and provide better threading support.
> 
> > And, more important, how the i686 version should be installed to replace
> > the i386 without having to rebuild the system from scratch.
> 
> rpm -ivh --force glibc-2.*.i686.rpm

every time when I try to upgrade a new kernel, I always wonder what arch 
my installed kernel is built for. Is there any way using rpm to find out 
this info? I know this is easy for a rpm package, but how about an already 
installed package?

thanks

jimmy