On Thu, Jun 5, 2014 at 8:37 AM, Michal Hocko <mhocko@xxxxxxx> wrote: > We had a similar report for opensuse. The common part was that there was > an IO to a slow USB device going on. Actually I've managed to narrow down my synthetic test, and all I need is to copy a big file, and it even happens reading and writing to the SSD (although the stall is less severe). Here's the test: http://pastie.org/9264124 Just pass a big file as the first argument. I don't have much memory in this machine, so I guess running out of memory is the trigger. -- Felipe Contreras -- 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>