Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753210Ab3I3HC5 (ORCPT ); Mon, 30 Sep 2013 03:02:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:21443 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751115Ab3I3HCz (ORCPT ); Mon, 30 Sep 2013 03:02:55 -0400 User-agent: mu4e 0.9.9.5; emacs 24.3.1 From: Madper Xie To: linux-kernel@vger.kernel.org Subject: [Bug] 12.864681 BUG: lock held when returning to user space! Date: Mon, 30 Sep 2013 15:02:51 +0800 Message-ID: <8761tilrl0.fsf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1960 Lines: 37 Hi all, With kernel3.12-rc2 the dmesg shows following logs: [ 12.864680] ================================================ [ 12.864681] [ BUG: lock held when returning to user space! ] [ 12.864682] 3.12.0-rc2 #1 Not tainted [ 12.864683] ------------------------------------------------ [ 12.864684] iprinit/719 is leaving the kernel with locks still held! [ 12.864685] 1 lock held by iprinit/719: [ 12.864686] #0: (&sdp->o_sem){.+.+..}, at: [] sg_open+0x4b5/0x644 [sg] [ 12.934954] ath9k 0000:01:00.0: enabling device (0000 -> 0002) [ 12.940346] ath: phy0: timeout (1000 us) on reg 0x15f18: 0x00000000 & 0x00000007 != 0x00000004 [ 12.943125] ath: EEPROM regdomain: 0x60 [ 12.943127] ath: EEPROM indicates we should expect a direct regpair map [ 12.943129] ath: Country alpha2 being used: 00 [ 12.943130] ath: Regpair used: 0x60 [ 12.960202] r8169 0000:02:00.0 p3p1: link down [ 12.960236] r8169 0000:02:00.0 p3p1: link down [ 12.960256] IPv6: ADDRCONF(NETDEV_UP): p3p1: link is not ready [ 13.003523] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' [ 13.003886] ieee80211 phy0: Atheros AR9485 Rev:1 mem=0xffffc9000bc80000, irq=16 [ 13.012120] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 13.023667] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 13.055802] Ebtables v2.0 registered [ 13.192291] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ 15.906392] r8169 0000:02:00.0 p3p1: link up [ 15.906416] IPv6: ADDRCONF(NETDEV_CHANGE): p3p1: link becomes ready [ 17.121989] systemd-udevd (334) used greatest stack depth: 3352 bytes left I'm working on finding which version bring this bug in. -- Best, Madper Xie. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/