From: Roland Dreier <rdreier@cisco.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [patch, -rc5-mm1] lock validator: fix RT_HASH_LOCK_SZ
Date: Tue, 30 May 2006 14:14:30 -0700 [thread overview]
Message-ID: <adaodxf5i6h.fsf@cisco.com> (raw)
In-Reply-To: <1149022880.3636.116.camel@laptopd505.fenrus.org> (Arjan van de Ven's message of "Tue, 30 May 2006 23:01:20 +0200")
Here it is with KALLSYMS_ALL:
[ 80.587694] ====================================
[ 80.605928] [ BUG: possible deadlock detected! ]
[ 80.619729] ------------------------------------
[ 80.633532] mount/3534 is trying to acquire lock:
[ 80.647593] (&inode->i_mutex){--..}, at: [<ffffffff804396af>] mutex_lock+0x22/0x27
[ 80.670683]
[ 80.670684] but task is already holding lock:
[ 80.688170] (&inode->i_mutex){--..}, at: [<ffffffff804396af>] mutex_lock+0x22/0x27
[ 80.711260]
[ 80.711261] which could potentially lead to deadlocks!
[ 80.731083]
[ 80.731083] other info that might help us debug this:
[ 80.750618] 2 locks held by mount/3534:
[ 80.762085] #0: (&s->s_umount#16){--..}, at: [<ffffffff8028c07b>] sget+0x1a0/0x407
[ 80.785513] #1: (&inode->i_mutex){--..}, at: [<ffffffff804396af>] mutex_lock+0x22/0x27
[ 80.809952]
[ 80.809952] stack backtrace:
[ 80.823003]
[ 80.823003] Call Trace:
[ 80.834790] [<ffffffff80247b4e>] __lockdep_acquire+0x18a/0xad2
[ 80.852503] [<ffffffff804396af>] mutex_lock+0x22/0x27
[ 80.867887] [<ffffffff8024887d>] lockdep_acquire+0x82/0xa3
[ 80.884596] [<ffffffff80439420>] __mutex_lock_slowpath+0xfd/0x36a
[ 80.903095] [<ffffffff804396af>] mutex_lock+0x22/0x27
[ 80.918499] [<ffffffff880ce635>] :sunrpc:rpc_populate+0x43/0x141
[ 80.936759] [<ffffffff880cedb8>] :sunrpc:rpc_mkdir+0xb6/0x172
[ 80.954206] [<ffffffff802a182a>] mntput_no_expire+0x1b/0xb9
[ 80.971173] [<ffffffff802a9864>] simple_pin_fs+0xc3/0xd3
[ 80.987371] [<ffffffff880bf8c1>] :sunrpc:rpc_new_client+0x226/0x348
[ 81.006390] [<ffffffff880c06e0>] :sunrpc:rpc_create_client+0xc/0x3e
[ 81.025415] [<ffffffff88105e0c>] :nfs:nfs_get_sb+0x559/0x6e8
[ 81.042598] [<ffffffff8028b7ef>] vfs_kern_mount+0x8b/0x196
[ 81.059305] [<ffffffff8028b948>] do_kern_mount+0x3c/0x57
[ 81.075495] [<ffffffff802a355e>] do_mount+0x7dd/0x851
[ 81.090906] [<ffffffff80247240>] mark_lock+0x3b/0x4fc
[ 81.106289] [<ffffffff802629f2>] get_page_from_freelist+0x34e/0x4cc
[ 81.125331] [<ffffffff802479a0>] trace_hardirqs_on+0x165/0x189
[ 81.143050] [<ffffffff80262a61>] get_page_from_freelist+0x3bd/0x4cc
[ 81.162094] [<ffffffff8043b431>] _spin_unlock_irqrestore+0x3f/0x47
[ 81.180880] [<ffffffff80262bf2>] __alloc_pages+0x82/0x33d
[ 81.197332] [<ffffffff802787b7>] alloc_pages_current+0xa0/0xa9
[ 81.215074] [<ffffffff803361cc>] _raw_spin_lock+0xc7/0x15d
[ 81.231781] [<ffffffff802a366f>] sys_mount+0x9d/0xe9
[ 81.246905] [<ffffffff8043aae1>] trace_hardirqs_on_thunk+0x35/0x37
[ 81.265690] [<ffffffff80209652>] system_call+0x7e/0x83
next prev parent reply other threads:[~2006-05-30 21:14 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
2006-05-30 21:01 ` Arjan van de Ven
2006-05-30 21:03 ` Roland Dreier
2006-05-30 21:14 ` Roland Dreier [this message]
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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