I've been able to reproduce this on 2.1 (which should also hold true for 2.0):
05-04T09:59:19 Use of uninitialized value $curr_lwt in numeric gt (>) at /Users/daniel/p/fix-ptc-innodb-bug-994010/bin/pt-table-checksum line 6018.
I've been able to reproduce this on 2.1 (which should also hold true for 2.0):
05-04T09:59:19 Use of uninitialized value $curr_lwt in numeric gt (>) at /Users/ daniel/ p/fix-ptc- innodb-bug-994010/bin/pt- table-checksum line 6018.