From: Dave Jones <davej@codemonkey.org.uk>
To: netdev@vger.kernel.org
Subject: bluetooth lockdep trace. (.25rc5-git4)
Date: Thu, 27 Mar 2008 12:21:56 -0400 [thread overview]
Message-ID: <20080327162156.GA8098@codemonkey.org.uk> (raw)
This came in this morning from a user of a slightly old kernel now, but
I don't see anything obvious post rc5 that would fix this.
Dave
Mar 27 08:10:57 localhost kernel: =============================================
Mar 27 08:10:57 localhost kernel: [ INFO: possible recursive locking detected ]
Mar 27 08:10:57 localhost kernel: 2.6.25-0.121.rc5.git4.fc9 #1
Mar 27 08:10:57 localhost kernel: ---------------------------------------------
Mar 27 08:10:57 localhost kernel: obex-data-serve/3611 is trying to acquire lock:
Mar 27 08:10:57 localhost kernel: (sk_lock-AF_BLUETOOTH){--..}, at: [<f8bd9321>] l2cap_sock_bind+0x29/0x108 [l2cap]
Mar 27 08:10:57 localhost kernel:
Mar 27 08:10:57 localhost kernel: but task is already holding lock:
Mar 27 08:10:57 localhost kernel: (sk_lock-AF_BLUETOOTH){--..}, at: [<f8dae136>] rfcomm_sock_connect+0x35/0xc2 [rfcomm]
Mar 27 08:10:57 localhost kernel:
Mar 27 08:10:57 localhost kernel: other info that might help us debug this:
Mar 27 08:10:57 localhost kernel: 2 locks held by obex-data-serve/3611:
Mar 27 08:10:57 localhost kernel: #0: (sk_lock-AF_BLUETOOTH){--..}, at: [<f8dae136>] rfcomm_sock_connect+0x35/0xc2 [rfcomm]
Mar 27 08:10:57 localhost kernel: #1: (rfcomm_mutex){--..}, at: [<f8dad337>] rfcomm_dlc_open+0x28/0x294 [rfcomm]
Mar 27 08:10:57 localhost kernel:
Mar 27 08:10:57 localhost kernel: stack backtrace:
Mar 27 08:10:57 localhost kernel: Pid: 3611, comm: obex-data-serve Not tainted 2.6.25-0.121.rc5.git4.fc9 #1
Mar 27 08:10:57 localhost kernel: [__lock_acquire+2287/3089] __lock_acquire+0x8ef/0xc11
Mar 27 08:10:57 localhost kernel: [sched_clock+8/11] ? sched_clock+0x8/0xb
Mar 27 08:10:57 localhost kernel: [lock_acquire+106/144] lock_acquire+0x6a/0x90
Mar 27 08:10:57 localhost kernel: [<f8bd9321>] ? l2cap_sock_bind+0x29/0x108 [l2cap]
Mar 27 08:10:57 localhost kernel: [lock_sock_nested+182/198] lock_sock_nested+0xb6/0xc6
Mar 27 08:10:57 localhost kernel: [<f8bd9321>] ? l2cap_sock_bind+0x29/0x108 [l2cap]
Mar 27 08:10:57 localhost kernel: [security_socket_post_create+22/27] ? security_socket_post_create+0x16/0x1b
Mar 27 08:10:57 localhost kernel: [__sock_create+388/472] ? __sock_create+0x184/0x1d8
Mar 27 08:10:57 localhost kernel: [<f8bd9321>] l2cap_sock_bind+0x29/0x108 [l2cap]
Mar 27 08:10:57 localhost kernel: [kernel_bind+10/13] kernel_bind+0xa/0xd
Mar 27 08:10:57 localhost kernel: [<f8dad3d7>] rfcomm_dlc_open+0xc8/0x294 [rfcomm]
Mar 27 08:10:57 localhost kernel: [lock_sock_nested+187/198] ? lock_sock_nested+0xbb/0xc6
Mar 27 08:10:57 localhost kernel: [<f8dae18c>] rfcomm_sock_connect+0x8b/0xc2 [rfcomm]
Mar 27 08:10:57 localhost kernel: [sys_connect+96/125] sys_connect+0x60/0x7d
Mar 27 08:10:57 localhost kernel: [__lock_acquire+1370/3089] ? __lock_acquire+0x55a/0xc11
Mar 27 08:10:57 localhost kernel: [sys_socketcall+140/392] sys_socketcall+0x8c/0x188
Mar 27 08:10:57 localhost kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Mar 27 08:10:57 localhost kernel: =======================
--
http://www.codemonkey.org.uk
next reply other threads:[~2008-03-27 16:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-27 16:21 Dave Jones [this message]
2008-03-29 1:20 ` bluetooth lockdep trace. (.25rc5-git4) David Miller
2008-03-29 12:45 ` Dave Young
2008-04-01 2:28 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2008-04-01 8:58 Dave Young
2008-04-01 8:58 ` Dave Young
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=20080327162156.GA8098@codemonkey.org.uk \
--to=davej@codemonkey.org.uk \
--cc=netdev@vger.kernel.org \
/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.