Sounds like a buggy FTL (flash translation layer) that doesn't properly handle corruption of flash cells. You're meant to be given an error response. Replace the FTL. --=20 James Cameron http://quozl.linux.org.au/ --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .