From: Dave Jones <davej@redhat.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: bfields@fieldses.org, linux-nfs@vger.kernel.org
Subject: lockdep trace from nfsd
Date: Thu, 28 Feb 2013 19:30:38 -0500 [thread overview]
Message-ID: <20130301003038.GA26533@redhat.com> (raw)
[ 39.878535] =====================================
[ 39.879670] [ BUG: rpc.nfsd/666 still has locks held! ]
[ 39.880871] 3.8.0+ #3 Not tainted
[ 39.881858] -------------------------------------
[ 39.882850] 2 locks on stack by rpc.nfsd/666:
[ 39.883868] #0: held: (nfsd_mutex){+.+.+.}, instance: ffffffffa01cf0b8, at: [<ffffffffa0193d57>] write_ports+0x37/0x7a0 [nfsd]
[ 39.884750] #1: held: (rpcb_create_local_mutex){+.+.+.}, instance: ffffffffa016d878, at: [<ffffffffa0153916>] rpcb_create_local+0x46/0x90 [sunrpc]
[ 39.885903]
stack backtrace:
[ 39.897044] Pid: 666, comm: rpc.nfsd Not tainted 3.8.0+ #3
[ 39.898186] Call Trace:
[ 39.900755] [<ffffffff810b9c6a>] debug_check_no_locks_held+0x9a/0xa0
[ 39.901823] [<ffffffffa0145965>] rpc_wait_bit_killable+0x85/0xb0 [sunrpc]
[ 39.902866] [<ffffffff8161bf10>] __wait_on_bit+0x60/0x90
[ 39.903879] [<ffffffffa0147860>] ? __rpc_execute+0x170/0x5a0 [sunrpc]
[ 39.904900] [<ffffffffa01458e0>] ? __rpc_wait_for_completion_task+0x30/0x30 [sunrpc]
[ 39.905969] [<ffffffff8161bfbc>] out_of_line_wait_on_bit+0x7c/0x90
[ 39.907010] [<ffffffffa0147860>] ? __rpc_execute+0x170/0x5a0 [sunrpc]
[ 39.908070] [<ffffffff81075f00>] ? autoremove_wake_function+0x50/0x50
[ 39.909124] [<ffffffffa0139b50>] ? call_connect+0xa0/0xa0 [sunrpc]
[ 39.910154] [<ffffffffa0147891>] __rpc_execute+0x1a1/0x5a0 [sunrpc]
[ 39.911176] [<ffffffff81075e9e>] ? wake_up_bit+0x2e/0x40
[ 39.912058] [<ffffffffa0147d49>] rpc_execute+0x59/0x180 [sunrpc]
[ 39.912745] [<ffffffffa013da00>] rpc_run_task+0x70/0x90 [sunrpc]
[ 39.913446] [<ffffffffa013db23>] rpc_call_sync+0x43/0xa0 [sunrpc]
[ 39.914280] [<ffffffffa013dbd2>] rpc_ping+0x52/0x70 [sunrpc]
[ 39.914992] [<ffffffffa013de08>] rpc_create+0x188/0x230 [sunrpc]
[ 39.915735] [<ffffffff8100a4a9>] ? sched_clock+0x9/0x10
[ 39.916577] [<ffffffff810b807e>] ? put_lock_stats.isra.25+0xe/0x40
[ 39.917635] [<ffffffff810b871c>] ? lock_release_holdtime.part.26+0xcc/0x140
[ 39.918667] [<ffffffffa015331c>] rpcb_create_local_unix+0x5c/0xe0 [sunrpc]
[ 39.919669] [<ffffffffa0153948>] rpcb_create_local+0x78/0x90 [sunrpc]
[ 39.920705] [<ffffffffa014a653>] svc_rpcb_setup+0x23/0x50 [sunrpc]
[ 39.921725] [<ffffffffa014a6b4>] svc_bind+0x34/0x50 [sunrpc]
[ 39.921733] [<ffffffffa01909ed>] nfsd_create_serv+0x1cd/0x320 [nfsd]
[ 39.921738] [<ffffffffa0190825>] ? nfsd_create_serv+0x5/0x320 [nfsd]
[ 39.921742] [<ffffffffa019424a>] write_ports+0x52a/0x7a0 [nfsd]
[ 39.921746] [<ffffffffa0194138>] ? write_ports+0x418/0x7a0 [nfsd]
[ 39.921750] [<ffffffff816203c5>] ? _raw_spin_unlock+0x35/0x60
[ 39.921754] [<ffffffff811de09a>] ? simple_transaction_get+0xca/0xe0
[ 39.921759] [<ffffffffa0193d20>] ? write_maxblksize+0x2e0/0x2e0 [nfsd]
[ 39.921764] [<ffffffffa0192367>] nfsctl_transaction_write+0x57/0x90 [nfsd]
[ 39.921768] [<ffffffff811b45ff>] vfs_write+0xaf/0x190
[ 39.921771] [<ffffffff811b4955>] sys_write+0x55/0xa0
[ 39.921775] [<ffffffff81628b99>] system_call_fastpath+0x16/0x1b
next reply other threads:[~2013-03-01 0:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-01 0:30 Dave Jones [this message]
2013-03-01 4:08 ` lockdep trace from nfsd Jeff Layton
2013-03-02 0:08 ` Yinghai Lu
2013-03-06 5:08 ` Mandeep Baines
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