From: Madper Xie <cxie@redhat.com>
To: Madper Xie <cxie@redhat.com>
Cc: linux-kernel@vger.kernel.org
Cc: vaughan.cao@oracle.com
Subject: Re: [Bug] 12.864681 BUG: lock held when returning to user space!
Date: Tue, 08 Oct 2013 13:57:52 +0800 [thread overview]
Message-ID: <874n8s2tjz.fsf@redhat.com> (raw)
In-Reply-To: <8761tilrl0.fsf@redhat.com>
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: [<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 prev parent reply other threads:[~2013-10-08 5:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-30 7:02 [Bug] 12.864681 BUG: lock held when returning to user space! Madper Xie
2013-10-08 5:57 ` Madper Xie [this message]
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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