From: Madper Xie <cxie@redhat.com>
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 [thread overview]
Message-ID: <8761tilrl0.fsf@redhat.com> (raw)
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: [<ffffffffa050de05>] 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.
next reply other threads:[~2013-09-30 7:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-30 7:02 Madper Xie [this message]
2013-10-08 5:57 ` [Bug] 12.864681 BUG: lock held when returning to user space! Madper Xie
2013-10-08 6:44 ` vaughan
2013-10-08 13:45 ` Douglas Gilbert
2013-10-16 13:24 ` James Bottomley
2013-10-16 22:41 ` Douglas Gilbert
2013-10-17 2:52 ` vaughan
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