From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Regression in next for smsc911x with tigthen lockdep checks Date: Wed, 20 Apr 2016 08:01:09 -0700 Message-ID: <20160420150108.GF5995@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org To: Hannes Frederic Sowa , "David S. Miller" Return-path: Received: from muru.com ([72.249.23.125]:51542 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751791AbcDTPBN (ORCPT ); Wed, 20 Apr 2016 11:01:13 -0400 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: Hi, Looks like commit fafc4e1ea1a4 ("sock: tigthen lockdep checks for sock_owned_by_user") in next causes a regression at least for smsc911x with CONFIG_LOCKDEP. It keeps spamming with the following message. Any ideas? Regards, Tony 8< ---------------- WARNING: CPU: 0 PID: 0 at include/net/sock.h:1408 udp_queue_rcv_skb+0x398/0x640 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.6.0-rc4-next-20160420 #1087 Hardware name: Generic OMAP36xx (Flattened Device Tree) [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [] (show_stack) from [] (dump_stack+0xb0/0xe4) [] (dump_stack) from [] (__warn+0xd8/0x104) [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [] (warn_slowpath_null) from [] (udp_queue_rcv_skb+0x398/0x640) [] (udp_queue_rcv_skb) from [] (__udp4_lib_rcv+0x4cc/0xc0c) [] (__udp4_lib_rcv) from [] (ip_local_deliver_finish+0xcc/0x4f4) [] (ip_local_deliver_finish) from [] (ip_local_deliver+0xcc/0xd8) [] (ip_local_deliver) from [] (ip_rcv_finish+0xbc/0x700) [] (ip_rcv_finish) from [] (ip_rcv+0x48c/0x6d4) [] (ip_rcv) from [] (__netif_receive_skb_core+0x380/0xa10) [] (__netif_receive_skb_core) from [] (netif_receive_skb_internal+ 0x74/0x1ec) [] (netif_receive_skb_internal) from [] (smsc911x_poll+0xd8/0x228) [] (smsc911x_poll) from [] (net_rx_action+0x124/0x470) [] (net_rx_action) from [] (__do_softirq+0xc8/0x54c) [] (__do_softirq) from [] (irq_exit+0xbc/0x130) [] (irq_exit) from [] (__handle_domain_irq+0x6c/0xdc) [] (__handle_domain_irq) from [] (__irq_svc+0x58/0x78) [] (__irq_svc) from [] (cpuidle_enter_state+0xc4/0x3d4) [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x198/0x3a0) [] (cpu_startup_entry) from [] (start_kernel+0x350/0x3c8) [] (start_kernel) from [<8000807c>] (0x8000807c)