From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757573Ab0FOLVI (ORCPT ); Tue, 15 Jun 2010 07:21:08 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:45062 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757282Ab0FOLVF (ORCPT ); Tue, 15 Jun 2010 07:21:05 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=D0apqII2dlKac4476mHyp330Ni5HohFUpyIbAfGgk2nheHJY2aGSEOFOiZuX967TT/ Fd+pMjtZGZXlv7UYe9XzFbIqx9q3U//O4x26HAJ5ypyI7HwaJGeiK95iy8K777o24OGS eUdB0hIQaz/ct9bfHYGYvrqxHcHtYg8EI2CVU= Date: Tue, 15 Jun 2010 14:24:34 +0300 From: Sergey Senozhatsky To: Alexander Viro Cc: Andrew Morton , Peter Zijlstra , Sage Weil , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: inconsistent lock state Message-ID: <20100615112434.GA3967@swordfish.minsk.epam.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gKMricLos+KVdGMg" Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello, kernel: [ 3272.351191]=20 kernel: [ 3272.351194] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D kernel: [ 3272.351199] [ INFO: inconsistent lock state ] kernel: [ 3272.351204] 2.6.35-rc3-dbg-00106-ga75e02b-dirty #15 kernel: [ 3272.351206] --------------------------------- kernel: [ 3272.351210] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. kernel: [ 3272.351215] X/3827 [HC0[0]:SC0[0]:HE1:SE1] takes: kernel: [ 3272.351218] (&(&new->fa_lock)->rlock){?.-...}, at: []= kill_fasync+0x37/0x71 kernel: [ 3272.351232] {IN-HARDIRQ-W} state was registered at: kernel: [ 3272.351235] [] __lock_acquire+0x281/0xbe1 kernel: [ 3272.351243] [] lock_acquire+0x59/0x70 kernel: [ 3272.351248] [] _raw_spin_lock+0x25/0x34 kernel: [ 3272.351255] [] kill_fasync+0x37/0x71 kernel: [ 3272.351261] [] evdev_event+0x135/0x190 [evdev] kernel: [ 3272.351275] [] input_pass_event+0x6f/0xae kernel: [ 3272.351283] [] input_handle_event+0x38d/0x396 kernel: [ 3272.351288] [] input_event+0x4f/0x62 kernel: [ 3272.351293] [] input_sync+0xe/0x11 kernel: [ 3272.351299] [] atkbd_interrupt+0x48b/0x541 kernel: [ 3272.351304] [] serio_interrupt+0x35/0x68 kernel: [ 3272.351309] [] i8042_interrupt+0x264/0x26e kernel: [ 3272.351314] [] handle_IRQ_event+0x1d/0x98 kernel: [ 3272.351321] [] handle_edge_irq+0xc0/0x107 kernel: [ 3272.351326] [] handle_irq+0x1a/0x20 kernel: [ 3272.351332] [] do_IRQ+0x43/0x8d kernel: [ 3272.351337] [] common_interrupt+0x35/0x3c kernel: [ 3272.351342] [] cpuidle_idle_call+0x6a/0xa0 kernel: [ 3272.351349] [] cpu_idle+0x89/0xbe kernel: [ 3272.351354] [] rest_init+0xb5/0xba kernel: [ 3272.351361] [] start_kernel+0x33b/0x340 kernel: [ 3272.351368] [] i386_start_kernel+0xc9/0xd0 kernel: [ 3272.351374] irq event stamp: 54104917 kernel: [ 3272.351377] hardirqs last enabled at (54104917): [] _= raw_spin_unlock_irqrestore+0x36/0x5b kernel: [ 3272.351384] hardirqs last disabled at (54104916): [] _= raw_spin_lock_irqsave+0x13/0x42 kernel: [ 3272.351391] softirqs last enabled at (54104732): [] _= _do_softirq+0xfd/0x10c kernel: [ 3272.351398] softirqs last disabled at (54104703): [] d= o_softirq+0x2f/0x47 kernel: [ 3272.351404]=20 kernel: [ 3272.351405] other info that might help us debug this: kernel: [ 3272.351409] 3 locks held by X/3827: kernel: [ 3272.351412] #0: (rcu_read_lock){.+.+..}, at: [] rcu_= read_lock+0x0/0x26 kernel: [ 3272.351423] #1: (rcu_read_lock){.+.+..}, at: [] rcu_= read_lock+0x0/0x26 kernel: [ 3272.351432] #2: (rcu_read_lock){.+.+..}, at: [] rcu_= read_lock+0x0/0x26 kernel: [ 3272.351442]=20 kernel: [ 3272.351443] stack backtrace: kernel: [ 3272.351448] Pid: 3827, comm: X Not tainted 2.6.35-rc3-dbg-00106-= ga75e02b-dirty #15 kernel: [ 3272.351451] Call Trace: kernel: [ 3272.351456] [] ? printk+0xf/0x11 kernel: [ 3272.351462] [] valid_state+0x133/0x141 kernel: [ 3272.351468] [] mark_lock+0xcf/0x1b3 kernel: [ 3272.351473] [] ? mark_lock+0x26/0x1b3 kernel: [ 3272.351479] [] ? check_usage_backwards+0x0/0x68 kernel: [ 3272.351484] [] __lock_acquire+0x2f5/0xbe1 kernel: [ 3272.351489] [] ? __lock_acquire+0x369/0xbe1 kernel: [ 3272.351495] [] ? __lock_acquire+0x369/0xbe1 kernel: [ 3272.351502] [] ? try_to_wake_up+0x2a8/0x2bb kernel: [ 3272.351508] [] lock_acquire+0x59/0x70 kernel: [ 3272.351513] [] ? kill_fasync+0x37/0x71 kernel: [ 3272.351519] [] _raw_spin_lock+0x25/0x34 kernel: [ 3272.351524] [] ? kill_fasync+0x37/0x71 kernel: [ 3272.351529] [] kill_fasync+0x37/0x71 kernel: [ 3272.351534] [] sock_wake_async+0x77/0x83 kernel: [ 3272.351540] [] sk_wake_async+0x2d/0x32 kernel: [ 3272.351545] [] sock_def_readable+0x45/0x51 kernel: [ 3272.351551] [] unix_stream_sendmsg+0x1e2/0x269 kernel: [ 3272.351557] [] ? rcu_read_unlock+0x1c/0x1e kernel: [ 3272.351562] [] __sock_sendmsg+0x51/0x5a kernel: [ 3272.351567] [] sock_aio_write+0xd4/0xdd kernel: [ 3272.351575] [] do_sync_readv_writev+0x84/0xb7 kernel: [ 3272.351582] [] ? copy_from_user+0x8/0xa kernel: [ 3272.351587] [] ? rw_copy_check_uvector+0x55/0xc7 kernel: [ 3272.351594] [] ? security_file_permission+0xf/0x11 kernel: [ 3272.351599] [] ? rw_verify_area+0x90/0xac kernel: [ 3272.351605] [] do_readv_writev+0x7d/0xdf kernel: [ 3272.351610] [] ? sock_aio_write+0x0/0xdd kernel: [ 3272.351615] [] ? security_file_permission+0xf/0x11 kernel: [ 3272.351621] [] ? rw_verify_area+0x90/0xac kernel: [ 3272.351626] [] vfs_writev+0x39/0x42 kernel: [ 3272.351632] [] sys_writev+0x3b/0x8c kernel: [ 3272.351637] [] sysenter_do_call+0x12/0x32 Sergey --gKMricLos+KVdGMg Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iJwEAQECAAYFAkwXYvIACgkQfKHnntdSXjTyvgP+MMnZrH5XNmd38khKnSLYhbOz MMqFvmGfSXs2x9Q6mM6+Fc0ND3oN2W4wFpCy7QQ4IVTSfVIbKAuni6fg50fIophD OjT+AAwtRN7Q3f8kx26uKTDBxnctpayeXjBNpsjiaT/YYSmF/ZziDX8oYSgwcs1Q PgWOduJ5WSzXQHkx37E= =8LN3 -----END PGP SIGNATURE----- --gKMricLos+KVdGMg--