Thanks for your report. This is bug 47848, and is fixed in dapper- updates. We'll be doing a point release of dapper this week or so, including a fix for this.
** Changed in: ubiquity (Ubuntu) Status: Unconfirmed => Fix Released -- 5.06 installer crashes using xfs as / after 90% complete https://launchpad.net/bugs/54704 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs