The intel_ring_setup_status_page() does a posting read anyway, so it is not an ordering issue. So this is back in the magic read territory, can you try with a msleep(10) instead of the read just to confirm that it is the read doing the trick and not an extra delay?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1339939 Title: [Lenovo ThinkPad T400] intel graphics fail after suspend with 3.16 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1339939/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
