Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753803Ab3JHF6I (ORCPT ); Tue, 8 Oct 2013 01:58:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:11044 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751652Ab3JHF6D (ORCPT ); Tue, 8 Oct 2013 01:58:03 -0400 References: <8761tilrl0.fsf@redhat.com> User-agent: mu4e 0.9.9.5; emacs 24.3.1 From: Madper Xie To: Madper Xie Cc: linux-kernel@vger.kernel.org Subject: Re: [Bug] 12.864681 BUG: lock held when returning to user space! cc: vaughan.cao@oracle.com In-reply-to: <8761tilrl0.fsf@redhat.com> Date: Tue, 08 Oct 2013 13:57:52 +0800 Message-ID: <874n8s2tjz.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: 2246 Lines: 46 Howdy Vaughan Cao, I can't meet this issue on both 3.11 and 3.11.4. There are only four patches between 3.11 and 3.12-rc2 and you are the author. Will you please check them if you have time. cxie@redhat.com writes: > 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/