Hi Dave, I am getting MCAs on my ia-64 system (an hp rx8640) using 2.6.31. A bisection showed that your patch, db8be50c4307dac2b37305fc59c8dc0f978d09ea, seems to be to blame. I haven't done any more investigation yet other than to revert the patch which makes the problem go away. Andrew -- Andrew Patterson Hewlett-Packard -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html