From: Roland Dreier <rdreier@cisco.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org,
Arjan van de Ven <arjan@infradead.org>
Subject: Re: [patch, -rc5-mm1] lock validator: fix RT_HASH_LOCK_SZ
Date: Tue, 30 May 2006 13:58:43 -0700 [thread overview]
Message-ID: <adawtc35iws.fsf@cisco.com> (raw)
In-Reply-To: <20060530204901.GA27645@elte.hu> (Ingo Molnar's message of "Tue, 30 May 2006 22:49:01 +0200")
Thanks, that boots.
During boot I see this, apparently while mounting NFS filesystems:
[ 83.114812] ====================================
[ 83.133079] [ BUG: possible deadlock detected! ]
[ 83.146881] ------------------------------------
[ 83.160683] mount/3531 is trying to acquire lock:
[ 83.174745] (&inode->i_mutex){--..}, at: [<ffffffff804396df>] mutex_lock+0x22/0x27
[ 83.197835]
[ 83.197836] but task is already holding lock:
[ 83.215295] (&inode->i_mutex){--..}, at: [<ffffffff804396df>] mutex_lock+0x22/0x27
[ 83.238386]
[ 83.238387] which could potentially lead to deadlocks!
[ 83.258207]
[ 83.258207] other info that might help us debug this:
[ 83.277769] 2 locks held by mount/3531:
[ 83.289235] #0: (&s->s_umount#16){--..}, at: [<ffffffff8028c0b3>] sget+0x1a0/0x407
[ 83.312612] #1: (&inode->i_mutex){--..}, at: [<ffffffff804396df>] mutex_lock+0x22/0x27
[ 83.337025]
[ 83.337026] stack backtrace:
[ 83.350101]
[ 83.350101] Call Trace:
[ 83.361890] [<ffffffff80247b4e>] __lockdep_acquire+0x18a/0xad2
[ 83.379629] [<ffffffff804396df>] mutex_lock+0x22/0x27
[ 83.395038] [<ffffffff8024887d>] lockdep_acquire+0x82/0xa3
[ 83.411748] [<ffffffff80439450>] __mutex_lock_slowpath+0xfd/0x36a
[ 83.430273] [<ffffffff804396df>] mutex_lock+0x22/0x27
[ 83.445703] [<ffffffff880ce635>] :sunrpc:rpc_populate+0x43/0x141
[ 83.463934] [<ffffffff880cedb8>] :sunrpc:rpc_mkdir+0xb6/0x172
[ 83.481383] [<ffffffff802a1862>] mntput_no_expire+0x1b/0xb9
[ 83.498348] [<ffffffff802a989c>] simple_pin_fs+0xc3/0xd3
[ 83.514548] [<ffffffff880bf8c1>] :sunrpc:rpc_new_client+0x226/0x348
[ 83.533592] [<ffffffff880c06e0>] :sunrpc:rpc_create_client+0xc/0x3e
[ 83.552644] [<ffffffff88105e0c>] :nfs:nfs_get_sb+0x559/0x6e8
[ 83.569853] [<ffffffff8028b827>] vfs_kern_mount+0x8b/0x196
[ 83.586560] [<ffffffff8028b980>] do_kern_mount+0x3c/0x57
[ 83.602724] [<ffffffff802a3596>] do_mount+0x7dd/0x851
[ 83.618108] [<ffffffff80247240>] mark_lock+0x3b/0x4fc
[ 83.633520] [<ffffffff80262a2a>] get_page_from_freelist+0x34e/0x4cc
[ 83.652560] [<ffffffff802479a0>] trace_hardirqs_on+0x165/0x189
[ 83.670281] [<ffffffff80262a99>] get_page_from_freelist+0x3bd/0x4cc
[ 83.689324] [<ffffffff8043b461>] _spin_unlock_irqrestore+0x3f/0x47
[ 83.708109] [<ffffffff80262c2a>] __alloc_pages+0x82/0x33d
[ 83.724558] [<ffffffff802787ef>] alloc_pages_current+0xa0/0xa9
[ 83.742301] [<ffffffff803361fc>] _raw_spin_lock+0xc7/0x15d
[ 83.759012] [<ffffffff802a36a7>] sys_mount+0x9d/0xe9
[ 83.774160] [<ffffffff8043ab11>] trace_hardirqs_on_thunk+0x35/0x37
[ 83.792919] [<ffffffff80209652>] system_call+0x7e/0x83
- R.
next prev parent reply other threads:[~2006-05-30 20:58 UTC|newest]
Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-30 9:29 2.6.17-rc5-mm1 Andrew Morton
2006-05-30 9:42 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 10:05 ` [patch, -rc5-mm1] genirq: ia64 build fix Ingo Molnar
2006-05-30 10:09 ` [patch, -rc5-mm1] lock validator, irqtrace: support non-x86 architectures Ingo Molnar
2006-05-30 10:11 ` [patch, -rc5-mm1] lock validator: rwsem build fix for " Ingo Molnar
2006-05-30 10:12 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 10:48 ` BUG: possible deadlock detected! (sound) [Was: 2.6.17-rc5-mm1] Jiri Slaby
2006-05-30 11:06 ` Arjan van de Ven
2006-05-30 12:44 ` Takashi Iwai
2006-05-30 12:59 ` Arjan van de Ven
2006-05-30 13:09 ` Jiri Slaby
2006-06-01 15:28 ` Jiri Slaby
2006-05-30 11:02 ` BUG: warning at ... (netlink) " Jiri Slaby
2006-05-30 11:55 ` [patch, -rc5-mm1] lock validator: remove softirq.c WARN_ON Ingo Molnar
2006-05-30 16:00 ` Alexey Kuznetsov
2006-05-30 16:05 ` Arjan van de Ven
2006-05-30 16:15 ` Alexey Kuznetsov
2006-05-30 11:11 ` [patch, -rc5-mm1] lock validator, fix NULL type->name bug Ingo Molnar
2006-05-30 11:58 ` Mike Galbraith
2006-05-30 12:02 ` Ingo Molnar
2006-05-30 12:06 ` Mike Galbraith
2006-05-30 12:05 ` Mike Galbraith
2006-05-30 12:06 ` Ingo Molnar
2006-05-30 12:17 ` Mike Galbraith
2006-05-30 12:19 ` Ingo Molnar
2006-05-30 12:28 ` Mike Galbraith
2006-05-30 12:29 ` [patch, -rc5-mm1] lock validator: disable NMI watchdog if CONFIG_LOCKDEP, i386 Ingo Molnar
2006-05-30 12:34 ` [patch, -rc5-mm1] lock validator: fix NMI-disabling on x86_64 Ingo Molnar
2006-05-30 12:44 ` [patch, -rc5-mm1] lock validator: disable NMI watchdog if CONFIG_LOCKDEP, i386 Mike Galbraith
2006-05-30 19:14 ` Andi Kleen
2006-05-30 19:47 ` Ingo Molnar
2006-05-30 20:05 ` Ingo Molnar
2006-05-30 19:54 ` Andrew Morton
2006-05-31 4:34 ` Keith Owens
2006-05-30 12:14 ` [patch, -rc5-mm1] lock validator, fix NULL type->name bug Arjan van de Ven
2006-05-30 12:46 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 19:13 ` 2.6.17-rc5-mm1 Arjan van de Ven
2006-05-30 15:59 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 16:08 ` 2.6.17-rc5-mm1 Arjan van de Ven
2006-05-30 18:51 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 16:16 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 19:28 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 19:48 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 18:39 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 19:04 ` 2.6.17-rc5-mm1 Arjan van de Ven
2006-05-31 14:56 ` [patch 1/1] selinux: fix sb_lock/sb_security_lock nesting (Was: Re: 2.6.17-rc5-mm1) Stephen Smalley
2006-05-31 15:49 ` James Morris
2006-05-30 19:55 ` 2.6.17-rc5-mm1 Arjan van de Ven
2006-05-30 20:20 ` 2.6.17-rc5-mm1 Dave Jones
2006-05-30 20:32 ` 2.6.17-rc5-mm1 Arjan van de Ven
2006-05-30 18:55 ` 2.6.17-rc5-mm1 Michal Piotrowski
[not found] ` <6bffcb0e0605301157o6b7c5f66q3c9f151cbb4537d5@mail.gmail.com>
2006-05-30 19:42 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 21:57 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 22:09 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 22:18 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 22:26 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 22:29 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 22:31 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 22:32 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-31 10:56 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 22:59 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-30 23:05 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 23:06 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 23:49 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-31 3:08 ` 2.6.17-rc5-mm1 Steven Rostedt
2006-05-30 19:59 ` Fwd: 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 19:45 ` 2.6.17-rc5-mm1 Andrew Morton
2006-05-31 13:51 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-31 14:02 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-31 14:05 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-31 14:12 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-31 15:05 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-31 15:20 ` [patch, -rc5-mm1] lock validator: irqflags-trace entry.S fix Ingo Molnar
2006-05-30 19:43 ` 2.6.17-rc5-mm1 Roland Dreier
2006-05-30 20:26 ` [patch, -rc5-mm1] lock validator: fix RT_HASH_LOCK_SZ Ingo Molnar
2006-05-30 20:43 ` Roland Dreier
2006-05-30 20:49 ` Ingo Molnar
2006-05-30 20:58 ` Roland Dreier [this message]
2006-05-30 21:01 ` Arjan van de Ven
2006-05-30 21:03 ` Roland Dreier
2006-05-30 21:14 ` Roland Dreier
2006-05-30 21:55 ` [Patch -rc5-mm1] Lockdep annotate rpc_populate for child-relationship of its mutex Arjan van de Ven
2006-05-30 21:19 ` [combo patch] lock validator -V2 Ingo Molnar
2006-05-30 21:07 ` 2.6.17-rc5-mm1 Brice Goglin
2006-05-30 21:07 ` 2.6.17-rc5-mm1 Laurent Riffard
2006-05-30 21:24 ` 2.6.17-rc5-mm1 Arjan van de Ven
2006-05-30 21:43 ` 2.6.17-rc5-mm1 Mel Gorman
2006-05-30 21:24 ` 2.6.17-rc5-mm1 Roland Dreier
2006-05-30 22:45 ` 2.6.17-rc5-mm1 Andrew Morton
2006-05-30 22:49 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 22:52 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 22:58 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 23:05 ` 2.6.17-rc5-mm1 Thomas Gleixner
2006-05-30 23:14 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-30 23:32 ` 2.6.17-rc5-mm1 Roland Dreier
2006-05-30 23:15 ` 2.6.17-rc5-mm1 Benjamin Herrenschmidt
2006-05-30 23:53 ` 2.6.17-rc5-mm1 Greg KH
2006-05-30 23:53 ` 2.6.17-rc5-mm1 Michal Piotrowski
2006-05-31 3:17 ` 2.6.17-rc5-mm1 Steven Rostedt
2006-05-31 4:14 ` 2.6.17-rc5-mm1 Andrew Morton
2006-05-31 6:31 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-31 11:50 ` 2.6.17-rc5-mm1 Steven Rostedt
2006-05-31 11:55 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-31 6:39 ` 2.6.17-rc5-mm1 Arjan van de Ven
2006-05-31 16:48 ` 2.6.17-rc5-mm1 Jesse Brandeburg
2006-05-31 23:08 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-05-31 17:39 ` 2.6.17-rc5-mm1 Laurent Riffard
2006-05-31 18:09 ` 2.6.17-rc5-mm1 Andrew Morton
2006-06-01 22:07 ` 2.6.17-rc5-mm1 Andrew Morton
2006-06-02 7:49 ` 2.6.17-rc5-mm1 Jan Beulich
2006-06-01 1:25 ` 2.6.17-rc5-mm1 Randy.Dunlap
2006-06-01 1:40 ` 2.6.17-rc5-mm1 Siddha, Suresh B
2006-06-01 2:17 ` 2.6.17-rc5-mm1 Randy.Dunlap
2006-06-01 1:43 ` 2.6.17-rc5-mm1 Andrew Morton
2006-06-01 6:14 ` 2.6.17-rc5-mm1 Ingo Molnar
2006-06-01 15:12 ` 2.6.17-rc5-mm1 Randy.Dunlap
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