Here is the CSV file that I was importing.
For good measure, here is the Omeka system information:
User
Browser Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.71 Safari/537.36
Role super
System
Omeka 2.0.3
PHP 5.2.17 (cgi)
OS Linux 2.6.32-379.22.1.lve1.2.17.1.el6.x86_64 x86_64
MySQL Server 5.1.70
MySQL Client 5.1.70
PHP Extensions
Regular bcmath, calendar, cgi, ctype, curl, date, dom, eAccelerator, filter, ftp, gd, gettext, hash, iconv, imagick, imap, ionCube Loader, json, libxml, mbstring, mcrypt, mysql, mysqli, openssl, pcre, PDO, pdo_mysql, pdo_sqlite, posix, pspell, Reflection, session, SimpleXML, snmp, soap, sockets, SPL, SQLite, standard, suhosin, timezonedb, tokenizer, xml, xmlreader, xmlrpc, xmlwriter, xsl, Zend Optimizer, zip, zlib
Zend the ionCube PHP Loader, Zend Optimizer
Plugins
AddItemLink 0.1
CatalogSearch 1.0.3
Coins 2.0.1
CsvImport 2.0
EditLink 1.0
Geolocation 2.0 (inactive)
HonorThyContributors 0.1.1
LcSuggest 2.0
SearchByMetadata 1.1
SimplePages 2.0.1
SimpleVocab 2.0
Themes
American Converts 2.0.2 (current)
Berlin 2.0
Seasons 2.1.1
Thanks, Roy 2.0.2
And here is the Chrome (actual Google Chrome, not Chromium) version:
Version 28.0.1500.71 on Ubuntu 13.04