Hi Kevin,if it's not too much trouble a core dump would also be nice to have, particularly given how difficult this seems to be to reproduce.

On Wed, May 1, 2013 at 1:21 PM, Paul Eggert <eggert@cs.ucla.edu> wrote:

Can you build coreutils without optimization
(make CFLAGS='-g3') and get a backtrace from
that version? That might be easier to diagnose.