On Wed, 5 Aug 2015, Ron Murray wrote: > I'll try the command-line option and see what I get. I thought about memory corruption, so ran memtest86 for a few hours with no errors (whatever that's worth). It could be corruption due to an errand pointer value. memory testing will not catch that. slub_debug will perform validation of pointers and basic integrity checks on slab objects. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>