On Sat, May 16, 2015 at 02:29:16PM +1200, IVP wrote: > > I've lost track, so much discussion. Remind us what you did to > > stabilise the system? >=20 > It was a card that had two files on it. One of them would fail to > read after a few hours and then every few seconds after that >=20 > The "fix" was to not delete the file but to add a copy to the card > and read that. Implying that there was some fault in the area of the > original file Hmm. Thanks. That there is, in theory, no such physical thing as the "area of the original file" makes this difficult to swallow. My guess is that the firmware on the card has a bug. The firmware is rarely tested with embedded systems, instead more commonly tested with operating systems. --=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 .