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: 123+ 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 10:48 ` Jiri Slaby
2006-05-30 11:06 ` Arjan van de Ven
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 12:59 ` Arjan van de Ven
2006-05-30 13:09 ` Jiri Slaby
2006-05-30 13:09 ` Jiri Slaby
2006-06-01 15:28 ` Jiri Slaby
2006-06-01 15:28 ` Jiri Slaby
2006-05-30 12:44 ` Takashi Iwai
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
2006-05-30 18:57 ` Fwd: 2.6.17-rc5-mm1 Michal Piotrowski
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=adawtc35iws.fsf@cisco.com \
--to=rdreier@cisco.com \
--cc=akpm@osdl.org \
--cc=arjan@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.