"lt" <lt@basecity.com> writes:
> OS: Redhat 7.1
What glibc version are you using? There's a serious bug in strcoll()
in glibc versions before 2.2.3 --- see
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=36539
In a multibyte-enabled Postgres this can lead to core dumps and
corrupted indexes; you seem to be suffering the latter.
regards, tom lane