linux-kernel - 2.6.18 -- INFO: possible recursive locking detected

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Message-ID: <a44ae5cd0609211447i41ae58f3xa59d2ae4c5dc5f65@mail.gmail.com>
Date:	Thu, 21 Sep 2006 14:47:08 -0700
From:	"Miles Lane" <miles.lane@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Subject: 2.6.18 -- INFO: possible recursive locking detected

=============================================
[ INFO: possible recursive locking detected ]
---------------------------------------------
knodemgrd_1/13913 is trying to acquire lock:
 (&s->rwsem){..--}, at: [<f8960817>] nodemgr_probe_ne+0x22d/0x36c [ieee1394]

but task is already holding lock:
 (&s->rwsem){..--}, at: [<f89610d8>] nodemgr_host_thread+0x739/0x8a7 [ieee1394]

other info that might help us debug this:
1 lock held by knodemgrd_1/13913:
 #0:  (&s->rwsem){..--}, at: [<f89610d8>]
nodemgr_host_thread+0x739/0x8a7 [ieee1394]

stack backtrace:
 [<c1003ef5>] show_trace_log_lvl+0x58/0x16a
 [<c100506d>] show_trace+0xd/0x10
 [<c1005087>] dump_stack+0x17/0x1c
 [<c102e485>] __lock_acquire+0x79b/0x9ef
 [<c102e9b6>] lock_acquire+0x5e/0x80
 [<c102b73e>] down_read+0x28/0x3a
 [<f8960817>] nodemgr_probe_ne+0x22d/0x36c [ieee1394]
 [<f89610f7>] nodemgr_host_thread+0x758/0x8a7 [ieee1394]
 [<c1001005>] kernel_thread_helper+0x5/0xb
DWARF2 unwinder stuck at kernel_thread_helper+0x5/0xb
Leftover inexact backtrace:
 [<c100506d>] show_trace+0xd/0x10
 [<c1005087>] dump_stack+0x17/0x1c
 [<c102e485>] __lock_acquire+0x79b/0x9ef
 [<c102e9b6>] lock_acquire+0x5e/0x80
 [<c102b73e>] down_read+0x28/0x3a
 [<f8960817>] nodemgr_probe_ne+0x22d/0x36c [ieee1394]
 [<f89610f7>] nodemgr_host_thread+0x758/0x8a7 [ieee1394]
 [<c1001005>] kernel_thread_helper+0x5/0xb
ieee1394: send packet at S400: ffc0a140 ffc1ffff f0000234
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