On Thu, Dec 19, 2013 at 02:53:52PM -0500, Benjamin LaHaise wrote: > is populated into the page tables). The only place I can see things going > off the rails is if the get_user_pages() call fails. It's possible trinity > could be arranging things so that the get_user_pages() call is failing > somehow. Also, if it were a double free of a page, we should at least get > a VM_BUG() occuring when the page's count is 0. > > Dave -- do you have CONFIG_DEBUG_VM on in your test rig? Yes. Note the original trace in this thread was a VM_BUG_ON(atomic_read(&page->_count) <= 0); Right after these crashes btw, the box locks up solid. So bad that traces don't always make it over usb-serial. Annoying. Dave -- 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>