From: Jiri Pirko <jiri at resnulli.us> Date: Thu, 13 Feb 2014 19:12:57 +0100 >>> [ 3014.524118] [<ffffffff815eb585>] ? __dev_queue_xmit+0x5/0x6a0 ... > I fail to see where bh is disabled. ovs_dp_process_received_packet() is > called with rcu_read_lock... It happens in __dev_queue_xmit(), which does rcu_read_lock_bh().