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 from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
