Is 2.3 really binary compatible?

[Greg Schafer]

Hi

A statically linked bash (against glibc-2.2.5) segfaults on a
glibc-2.3 system.

See here for details:-

http://sources.redhat.com/ml/libc-alpha/2002-09/msg00438.html

I understand it is related to how libnss works but isn't this a
binary incompatibility?

Greg