Not sure how they related to slub debugging, but the warnings you see below mean that XFS got an I/O error back from the layer below, so that might be the best place to look. -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html