Hello.
I sometimes get below warning when the system is about to reboot/halt.
Is this already reported? If not, I'll try to establish steps to reproduce.
----- Dump 1 -----
[ 508.594713] nfsd: last server has exited, flushing export cache
[ 509.100525]
[ 509.100529] =========================================================
[ 509.102129] [ INFO: possible irq lock inversion dependency detected ]
<4>[ 509.102513] [<c103f69f>] sys_exit_group+0xf/0x20
<4>[ 509.102513] [<c13327e1>] syscall_call+0x7/0xb
[ 509.102513] }
[ 509.102513] ... key at: [<c1cbfd90>] af_callback_keys+0x10/0x130
[ 509.102513] ... acquired at:
[ 509.102513] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 509.102513] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 509.102513] [<c106657c>] mark_lock+0x21c/0x3c0
[ 509.102513] [<c1066242>] mark_irqflags+0xe2/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 509.102513] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c12e2397>] inet_shutdown+0x97/0x110
[ 509.102513] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 509.102513] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 509.102513] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 509.102513] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 509.102513] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 509.102513] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 509.102513] [<c1052a65>] kthread+0x75/0x80
[ 509.102513] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 509.102513]
[ 509.102513]
[ 509.102513] stack backtrace:
[ 509.102513] Pid: 337, comm: rpciod/1 Not tainted 2.6.35-rc3-ccs #6
[ 509.102513] Call Trace:
[ 509.102513] [<c103cbe8>] ? printk+0x18/0x20
[ 509.102513] [<c1065558>] print_irq_inversion_bug+0x108/0x120
[ 509.102513] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 509.102513] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 509.102513] [<c1065650>] ? check_usage_backwards+0x0/0xd0
[ 509.102513] [<c106657c>] mark_lock+0x21c/0x3c0
[ 509.102513] [<c1066242>] mark_irqflags+0xe2/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c10682da>] ? __lock_is_held+0x3a/0x60
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 509.102513] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c12cf3bf>] ? tcp_send_fin+0x4f/0xc0
[ 509.102513] [<c12e2397>] inet_shutdown+0x97/0x110
[ 509.102513] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 509.102513] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 509.102513] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 509.102513] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 509.102513] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 509.102513] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 509.102513] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 509.102513] [<c1307910>] ? xprt_autoclose+0x0/0x50
[ 509.102513] [<c1052e8a>] ? prepare_to_wait+0x3a/0x60
[ 509.102513] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 509.102513] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 509.102513] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 509.102513] [<c1035456>] ? complete+0x46/0x60
[ 509.102513] [<c1052a65>] kthread+0x75/0x80
[ 509.102513] [<c104eeb0>] ? worker_thread+0x0/0xd0
[ 509.102513] [<c10529f0>] ? kthread+0x0/0x80
[ 509.102513] [<c10529f0>] ? kthread+0x0/0x80
[ 509.102513] [<c100317a>] kernel_thread_helper+0x6/0x1c
9>] _raw_spin_lock+0x39/0x70
[ 509.102513] [<c128ae51>] sk_clone+0xb1/0x2c0
[ 509.102513] [<c12c0046>] inet_csk_clone+0x16/0x90
[ 509.102513] [<c12d519c>] tcp_create_openreq_child+0x1c/0x460
[ 509.102513] [<c12d2a1f>] tcp_v4_syn_recv_sock+0x3f/0x1e0
[ 509.102513] [<c12d576c>] tcp_check_req+0x18c/0x3b0
[ 509.102513] [<c12d2c0d>] tcp_v4_hnd_req+0x4d/0x160
[ 509.102513] [<c12d2f39>] tcp_v4_do_rcv+0x159/0x280
[ 509.102513] [<c12d35d4>] tcp_v4_rcv+0x574/0xa30
[ 509.102513] [<c12b5c4f>] ip_local_deliver_finish+0xff/0x2c0
[ 509.102513] [<c12b5e40>] ip_local_deliver+0x30/0x40
[ 509.102513] [<c12b5f99>] ip_rcv_finish+0x149/0x440
[ 509.102513] [<c12b63f6>] ip_rcv+0x166/0x240
[ 509.102513] [<c1297b0d>] __netif_receive_skb+0x1cd/0x280
[ 509.102513] [<c12985e8>] process_backlog+0x88/0x160
[ 509.102513] [<c12989b7>] net_rx_action+0x127/0x140
[ 509.102513] [<c1041b30>] __do_softirq+0xd0/0x130
[ 509.102513] INITIAL USE at:
[ 509.102513] [<c1066e16>] __lock_acquire+0x1c6/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c1331dbe>] _raw_spin_lock_bh+0x3e/0x80
[ 509.102513] [<c128c4c9>] lock_sock_fast+0x29/0x90
[ 509.102513] [<c12dae84>] udp_destroy_sock+0x14/0x40
[ 509.102513] [<c128c823>] sk_common_release+0xb3/0xc0
[ 509.102513] [<c12db7f8>] udp_lib_close+0x8/0x10
[ 509.102513] [<c12e18ce>] inet_release+0xbe/0x100
[ 509.102513] [<c1286c36>] sock_release+0x66/0x80
[ 509.102513] [<c1287952>] sock_close+0x12/0x30
[ 509.102513] [<c10b705b>] __fput+0x1cb/0x210
[ 509.102513] [<c10b70b9>] fput+0x19/0x20
[ 509.102513] [<c10b54f3>] filp_close+0x43/0x70
[ 509.102513] [<c103eafb>] close_files+0xab/0x140
[ 509.102513] [<c103ebf9>] put_files_struct+0x29/0xf0
[ 509.102513] [<c103ed50>] exit_files+0x40/0x50
[ 509.102513] [<c103f400>] do_exit+0x100/0x2b0
[ 509.102513] [<c103f614>] do_group_exit+0x34/0xb0
[ 509.102513] [<c103f69f>] sys_exit_group+0xf/0x20
[ 509.102513] [<c13327e1>] syscall_call+0x7/0xb
[ 509.102513] }
[ 509.102513] ... key at: [<c1cbfc50>] af_family_slock_keys+0x10/0x140
[ 509.102513] ... acquired at:
[ 509.102513] [<c1064a8b>] check_prevs_add+0xab/0x100
[ 509.102513] [<c1064e15>] validate_chain+0x305/0x5a0
[ 509.102513] [<c1066f03>] __lock_acquire+0x2b3/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c13323fe>] _raw_write_lock_bh+0x3e/0x80
[ 509.102513] [<c12c0356>] inet_csk_listen_stop+0x86/0x160
[ 509.102513] [<c12c2dc0>] tcp_close+0x350/0x360
[ 509.102513] [<c12e18ce>] inet_release+0xbe/0x100
[ 509.102513] [<c1286c36>] sock_release+0x66/0x80
[ 509.102513] [<c1287952>] sock_close+0x12/0x30
[ 509.102513] [<c10b705b>] __fput+0x1cb/0x210
[ 509.102513] [<c10b70b9>] fput+0x19/0x20
[ 509.102513] [<c10b54f3>] filp_close+0x43/0x70
[ 509.102513] [<c10b558d>] sys_close+0x6d/0x100
[ 509.102513] [<c13327e1>] syscall_call+0x7/0xb
[ 509.102513]
[ 509.102513] -> (clock-AF_INET){++.?..} ops: 877 {
[ 509.102513] HARDIRQ-ON-W at:
[ 509.102513] [<c106625e>] mark_irqflags+0xfe/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c13323fe>] _raw_write_lock_bh+0x3e/0x80
[ 509.102513] [<c128c79f>] sk_common_release+0x2f/0xc0
[ 509.102513] [<c12db7f8>] udp_lib_close+0x8/0x10
[ 509.102513] [<c12e18ce>] inet_release+0xbe/0x100
[ 509.102513] [<c1286c36>] sock_release+0x66/0x80
[ 509.102513] [<c1287952>] sock_close+0x12/0x30
[ 509.102513] [<c10b705b>] __fput+0x1cb/0x210
[ 509.102513] [<c10b70b9>] fput+0x19/0x20
[ 509.102513] [<c10b54f3>] filp_close+0x43/0x70
[ 509.102513] [<c103eafb>] close_files+0xab/0x140
[ 509.102513] [<c103ebf9>] put_files_struct+0x29/0xf0
[ 509.102513] [<c103ed50>] exit_files+0x40/0x50
[ 509.102513] [<c103f400>] do_exit+0x100/0x2b0
[ 509.102513] [<c103f614>] do_group_exit+0x34/0xb0
[ 509.102513] [<c103f69f>] sys_exit_group+0xf/0x20
[ 509.102513] [<c13327e1>] syscall_call+0x7/0xb
[ 509.102513] HARDIRQ-ON-R at:
[ 509.102513] [<c10661ce>] mark_irqflags+0x6e/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 509.102513] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c12cbea8>] tcp_rcv_synsent_state_process+0x388/0x580
[ 509.102513] [<c12cc547>] tcp_rcv_state_process+0x4a7/0x560
[ 509.102513] [<c12d2e51>] tcp_v4_do_rcv+0x71/0x280
[ 509.102513] [<c128b786>] __release_sock+0x66/0x150
[ 509.102513] [<c128c497>] release_sock+0x87/0x90
[ 509.102513] [<c12e1cba>] inet_stream_connect+0x5a/0x1b0
[ 509.102513] [<c1289448>] kernel_connect+0x18/0x30
[ 509.102513] [<c130acce>] xs_tcp_finish_connecting+0x4e/0x120
[ 509.102513] [<c130adfb>] xs_tcp_setup_socket+0x5b/0x180
[ 509.102513] [<c130b034>] xs_tcp_connect_worker4+0x14/0x20
[ 509.102513] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 509.102513] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 509.102513] [<c1052a65>] kthread+0x75/0x80
[ 509.102513] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 509.102513] IN-SOFTIRQ-R at:
[ 509.102513] [<c106627e>] mark_irqflags+0x11e/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 509.102513] [<c1309f81>] xs_tcp_data_ready+0x21/0x90
[ 509.102513] [<c12ca378>] tcp_data_queue+0x248/0x820
[ 509.102513] [<c12cb6ee>] tcp_rcv_established+0xae/0x4e0
[ 509.102513] [<c12d2fb1>] tcp_v4_do_rcv+0x1d1/0x280
[ 509.102513] [<c12d35d4>] tcp_v4_rcv+0x574/0xa30
[ 509.102513] [<c12b5c4f>] ip_local_deliver_finish+0xff/0x2c0
[ 509.102513] [<c12b5e40>] ip_local_deliver+0x30/0x40
[ 509.102513] [<c12b5f99>] ip_rcv_finish+0x149/0x440
[ 509.102513] [<c12b63f6>] ip_rcv+0x166/0x240
[ 509.102513] [<c1297b0d>] __netif_receive_skb+0x1cd/0x280
[ 509.102513] [<c12985e8>] process_backlog+0x88/0x160
[ 509.102513] [<c12989b7>] net_rx_action+0x127/0x140
[ 509.102513] [<c1041b30>] __do_softirq+0xd0/0x130
[ 509.102513] SOFTIRQ-ON-R at:
[ 509.102513] [<c1066242>] mark_irqflags+0xe2/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 509.102513] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c12e2397>] inet_shutdown+0x97/0x110
[ 509.102513] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 509.102513] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 509.102513] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 509.102513] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 509.102513] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 509.102513] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 509.102513] [<c1052a65>] kthread+0x75/0x80
[ 509.102513] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 509.102513] INITIAL USE at:
[ 509.102513] [<c1066e16>] __lock_acquire+0x1c6/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c13323fe>] _raw_write_lock_bh+0x3e/0x80
[ 509.102513] [<c128c79f>] sk_common_release+0x2f/0xc0
[ 509.102513] [<c12db7f8>] udp_lib_close+0x8/0x10
[ 509.102513] [<c12e18ce>] inet_release+0xbe/0x100
[ 509.102513] [<c1286c36>] sock_release+0x66/0x80
[ 509.102513] [<c1287952>] sock_close+0x12/0x30
[ 509.102513] [<c10b705b>] __fput+0x1cb/0x210
[ 509.102513] [<c10b70b9>] fput+0x19/0x20
[ 509.102513] [<c10b54f3>] filp_close+0x43/0x70
[ 509.102513] [<c103eafb>] close_files+0xab/0x140
[ 509.102513] [<c103ebf9>] put_files_struct+0x29/0xf0
[ 509.102513] [<c103ed50>] exit_files+0x40/0x50
[ 509.102513] [<c103f400>] do_exit+0x100/0x2b0
[ 509.102513] [<c103f614>] do_group_exit+0x34/0xb0
[ 509.102513] [<c103f69f>] sys_exit_group+0xf/0x20
[ 509.102513] [<c13327e1>] syscall_call+0x7/0xb
[ 509.102513] }
[ 509.102513] ... key at: [<c1cbfd90>] af_callback_keys+0x10/0x130
[ 509.102513] ... acquired at:
[ 509.102513] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 509.102513] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 509.102513] [<c106657c>] mark_lock+0x21c/0x3c0
[ 509.102513] [<c1066242>] mark_irqflags+0xe2/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 509.102513] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c12e2397>] inet_shutdown+0x97/0x110
[ 509.102513] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 509.102513] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 509.102513] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 509.102513] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 509.102513] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 509.102513] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 509.102513] [<c1052a65>] kthread+0x75/0x80
[ 509.102513] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 509.102513]
[ 509.102513]
[ 509.102513] stack backtrace:
[ 509.102513] Pid: 337, comm: rpciod/1 Not tainted 2.6.35-rc3-ccs #6
[ 509.102513] Call Trace:
[ 509.102513] [<c103cbe8>] ? printk+0x18/0x20
[ 509.102513] [<c1065558>] print_irq_inversion_bug+0x108/0x120
[ 509.102513] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 509.102513] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 509.102513] [<c1065650>] ? check_usage_backwards+0x0/0xd0
[ 509.102513] [<c106657c>] mark_lock+0x21c/0x3c0
[ 509.102513] [<c1066242>] mark_irqflags+0xe2/0x180
[ 509.102513] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 509.102513] [<c10682da>] ? __lock_is_held+0x3a/0x60
[ 509.102513] [<c106857a>] lock_acquire+0x7a/0xa0
[ 509.102513] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 509.102513] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 509.102513] [<c12cf3bf>] ? tcp_send_fin+0x4f/0xc0
[ 509.102513] [<c12e2397>] inet_shutdown+0x97/0x110
[ 509.102513] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 509.102513] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 509.102513] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 509.102513] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 509.102513] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 509.102513] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 509.102513] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 509.102513] [<c1307910>] ? xprt_autoclose+0x0/0x50
[ 509.102513] [<c1052e8a>] ? prepare_to_wait+0x3a/0x60
[ 509.102513] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 509.102513] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 509.102513] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 509.102513] [<c1035456>] ? complete+0x46/0x60
[ 509.102513] [<c1052a65>] kthread+0x75/0x80
[ 509.102513] [<c104eeb0>] ? worker_thread+0x0/0xd0
[ 509.102513] [<c10529f0>] ? kthread+0x0/0x80
[ 509.102513] [<c10529f0>] ? kthread+0x0/0x80
[ 509.102513] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 518.099361] ACPI: Preparing to enter system sleep state S5
[ 518.101223] Disabling non-boot CPUs ...
[ 518.607480] lockdep: fixing up alternatives.
[ 518.608334] SMP alternatives: switching to UP code
[ 518.908243] Power down.
[ 518.909864] acpi_power_off called
----- Dump 2 -----
[ 974.096047] nfsd: last server has exited, flushing export cache
[ 975.514620]
[ 975.514622] =========================================================
[ 975.516172] [ INFO: possible irq lock inversion dependency detected ]
x34/0xb0
<4>[ 975.517504] [<c103f69f>] sys_exit_group+0xf/0x20
[ 975.517507] [<c13327e1>] syscall_call+0x7/0xb
[ 975.517510] }
[ 975.517511] ... key at: [<c1cbfd90>] af_callback_keys+0x10/0x130
[ 975.517513] ... acquired at:
[ 975.517515] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 975.517517] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 975.517519] [<c106657c>] mark_lock+0x21c/0x3c0
[ 975.517522] [<c1066242>] mark_irqflags+0xe2/0x180
[ 975.517524] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517526] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517529] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 975.517531] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 975.517534] [<c12e2397>] inet_shutdown+0x97/0x110
[ 975.517536] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 975.517539] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 975.517541] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 975.517544] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 975.517546] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 975.517549] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 975.517551] [<c1052a65>] kthread+0x75/0x80
[ 975.517553] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 975.517556]
[ 975.517570]
[ 975.517571] stack backtrace:
[ 975.517628] Pid: 337, comm: rpciod/1 Not tainted 2.6.35-rc3-ccs #6
[ 975.517648] Call Trace:
[ 975.517692] [<c103cbe8>] ? printk+0x18/0x20
[ 975.517704] [<c1065558>] print_irq_inversion_bug+0x108/0x120
[ 975.517708] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 975.517711] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 975.517713] [<c1065650>] ? check_usage_backwards+0x0/0xd0
[ 975.517716] [<c106657c>] mark_lock+0x21c/0x3c0
[ 975.517718] [<c1066242>] mark_irqflags+0xe2/0x180
[ 975.517721] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517723] [<c10682da>] ? __lock_is_held+0x3a/0x60
[ 975.517726] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517729] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 975.517732] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 975.517735] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 975.517737] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 975.517740] [<c12cf3bf>] ? tcp_send_fin+0x4f/0xc0
[ 975.517743] [<c12e2397>] inet_shutdown+0x97/0x110
[ 975.517745] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 975.517748] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 975.517751] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 975.517753] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 975.517756] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 975.517758] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 975.517761] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 975.517763] [<c1307910>] ? xprt_autoclose+0x0/0x50
[ 975.517766] [<c1052e8a>] ? prepare_to_wait+0x3a/0x60
[ 975.517769] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 975.517771] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 975.517774] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 975.517779] [<c1035456>] ? complete+0x46/0x60
[ 975.517782] [<c1052a65>] kthread+0x75/0x80
[ 975.517784] [<c104eeb0>] ? worker_thread+0x0/0xd0
[ 975.517786] [<c10529f0>] ? kthread+0x0/0x80
[ 975.517789] [<c10529f0>] ? kthread+0x0/0x80
[ 975.517791] [<c100317a>] kernel_thread_helper+0x6/0x1c
9>] _raw_spin_lock+0x39/0x70
[ 975.517015] [<c128ae51>] sk_clone+0xb1/0x2c0
[ 975.517018] [<c12c0046>] inet_csk_clone+0x16/0x90
[ 975.517022] [<c12d519c>] tcp_create_openreq_child+0x1c/0x460
[ 975.517025] [<c12d2a1f>] tcp_v4_syn_recv_sock+0x3f/0x1e0
[ 975.517028] [<c12d576c>] tcp_check_req+0x18c/0x3b0
[ 975.517031] [<c12d2c0d>] tcp_v4_hnd_req+0x4d/0x160
[ 975.517033] [<c12d2f39>] tcp_v4_do_rcv+0x159/0x280
[ 975.517036] [<c12d35d4>] tcp_v4_rcv+0x574/0xa30
[ 975.517038] [<c12b5c4f>] ip_local_deliver_finish+0xff/0x2c0
[ 975.517042] [<c12b5e40>] ip_local_deliver+0x30/0x40
[ 975.517045] [<c12b5f99>] ip_rcv_finish+0x149/0x440
[ 975.517048] [<c12b63f6>] ip_rcv+0x166/0x240
[ 975.517050] [<c1297b0d>] __netif_receive_skb+0x1cd/0x280
[ 975.517054] [<c12985e8>] process_backlog+0x88/0x160
[ 975.517057] [<c12989b7>] net_rx_action+0x127/0x140
[ 975.517060] [<c1041b30>] __do_softirq+0xd0/0x130
[ 975.517063] INITIAL USE at:
[ 975.517065] [<c1066e16>] __lock_acquire+0x1c6/0x8e0
[ 975.517067] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517070] [<c1331dbe>] _raw_spin_lock_bh+0x3e/0x80
[ 975.517073] [<c128c4c9>] lock_sock_fast+0x29/0x90
[ 975.517076] [<c12dae84>] udp_destroy_sock+0x14/0x40
[ 975.517079] [<c128c823>] sk_common_release+0xb3/0xc0
[ 975.517083] [<c12db7f8>] udp_lib_close+0x8/0x10
[ 975.517085] [<c12e18ce>] inet_release+0xbe/0x100
[ 975.517088] [<c1286c36>] sock_release+0x66/0x80
[ 975.517091] [<c1287952>] sock_close+0x12/0x30
[ 975.517094] [<c10b705b>] __fput+0x1cb/0x210
[ 975.517097] [<c10b70b9>] fput+0x19/0x20
[ 975.517099] [<c10b54f3>] filp_close+0x43/0x70
[ 975.517102] [<c103eafb>] close_files+0xab/0x140
[ 975.517105] [<c103ebf9>] put_files_struct+0x29/0xf0
[ 975.517108] [<c103ed50>] exit_files+0x40/0x50
[ 975.517111] [<c103f400>] do_exit+0x100/0x2b0
[ 975.517114] [<c103f614>] do_group_exit+0x34/0xb0
[ 975.517117] [<c103f69f>] sys_exit_group+0xf/0x20
[ 975.517120] [<c13327e1>] syscall_call+0x7/0xb
[ 975.517130] }
[ 975.517139] ... key at: [<c1cbfc50>] af_family_slock_keys+0x10/0x140
[ 975.517180] ... acquired at:
[ 975.517187] [<c1064a8b>] check_prevs_add+0xab/0x100
[ 975.517190] [<c1064e15>] validate_chain+0x305/0x5a0
[ 975.517193] [<c1066f03>] __lock_acquire+0x2b3/0x8e0
[ 975.517195] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517198] [<c13323fe>] _raw_write_lock_bh+0x3e/0x80
[ 975.517200] [<c12c0356>] inet_csk_listen_stop+0x86/0x160
[ 975.517203] [<c12c2dc0>] tcp_close+0x350/0x360
[ 975.517205] [<c12e18ce>] inet_release+0xbe/0x100
[ 975.517208] [<c1286c36>] sock_release+0x66/0x80
[ 975.517210] [<c1287952>] sock_close+0x12/0x30
[ 975.517212] [<c10b705b>] __fput+0x1cb/0x210
[ 975.517215] [<c10b70b9>] fput+0x19/0x20
[ 975.517217] [<c10b54f3>] filp_close+0x43/0x70
[ 975.517220] [<c10b558d>] sys_close+0x6d/0x100
[ 975.517222] [<c13327e1>] syscall_call+0x7/0xb
[ 975.517230]
[ 975.517240] -> (clock-AF_INET){++.?..} ops: 879 {
[ 975.517244] HARDIRQ-ON-W at:
[ 975.517246] [<c106625e>] mark_irqflags+0xfe/0x180
[ 975.517249] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517252] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517254] [<c13323fe>] _raw_write_lock_bh+0x3e/0x80
[ 975.517257] [<c128c79f>] sk_common_release+0x2f/0xc0
[ 975.517260] [<c12db7f8>] udp_lib_close+0x8/0x10
[ 975.517263] [<c12e18ce>] inet_release+0xbe/0x100
[ 975.517266] [<c1286c36>] sock_release+0x66/0x80
[ 975.517269] [<c1287952>] sock_close+0x12/0x30
[ 975.517271] [<c10b705b>] __fput+0x1cb/0x210
[ 975.517274] [<c10b70b9>] fput+0x19/0x20
[ 975.517277] [<c10b54f3>] filp_close+0x43/0x70
[ 975.517280] [<c103eafb>] close_files+0xab/0x140
[ 975.517283] [<c103ebf9>] put_files_struct+0x29/0xf0
[ 975.517286] [<c103ed50>] exit_files+0x40/0x50
[ 975.517289] [<c103f400>] do_exit+0x100/0x2b0
[ 975.517291] [<c103f614>] do_group_exit+0x34/0xb0
[ 975.517294] [<c103f69f>] sys_exit_group+0xf/0x20
[ 975.517297] [<c13327e1>] syscall_call+0x7/0xb
[ 975.517300] HARDIRQ-ON-R at:
[ 975.517302] [<c10661ce>] mark_irqflags+0x6e/0x180
[ 975.517304] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517307] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517310] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 975.517312] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 975.517316] [<c12cbea8>] tcp_rcv_synsent_state_process+0x388/0x580
[ 975.517319] [<c12cc547>] tcp_rcv_state_process+0x4a7/0x560
[ 975.517322] [<c12d2e51>] tcp_v4_do_rcv+0x71/0x280
[ 975.517325] [<c128b786>] __release_sock+0x66/0x150
[ 975.517327] [<c128c497>] release_sock+0x87/0x90
[ 975.517330] [<c12e1cba>] inet_stream_connect+0x5a/0x1b0
[ 975.517333] [<c1289448>] kernel_connect+0x18/0x30
[ 975.517336] [<c130acce>] xs_tcp_finish_connecting+0x4e/0x120
[ 975.517339] [<c130adfb>] xs_tcp_setup_socket+0x5b/0x180
[ 975.517342] [<c130b034>] xs_tcp_connect_worker4+0x14/0x20
[ 975.517344] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 975.517347] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 975.517350] [<c1052a65>] kthread+0x75/0x80
[ 975.517353] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 975.517358] IN-SOFTIRQ-R at:
[ 975.517359] [<c106627e>] mark_irqflags+0x11e/0x180
[ 975.517364] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517367] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517369] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 975.517372] [<c1309f81>] xs_tcp_data_ready+0x21/0x90
[ 975.517375] [<c12ca378>] tcp_data_queue+0x248/0x820
[ 975.517378] [<c12cb6ee>] tcp_rcv_established+0xae/0x4e0
[ 975.517381] [<c12d2fb1>] tcp_v4_do_rcv+0x1d1/0x280
[ 975.517384] [<c12d35d4>] tcp_v4_rcv+0x574/0xa30
[ 975.517386] [<c12b5c4f>] ip_local_deliver_finish+0xff/0x2c0
[ 975.517389] [<c12b5e40>] ip_local_deliver+0x30/0x40
[ 975.517392] [<c12b5f99>] ip_rcv_finish+0x149/0x440
[ 975.517395] [<c12b63f6>] ip_rcv+0x166/0x240
[ 975.517398] [<c1297b0d>] __netif_receive_skb+0x1cd/0x280
[ 975.517401] [<c12985e8>] process_backlog+0x88/0x160
[ 975.517404] [<c12989b7>] net_rx_action+0x127/0x140
[ 975.517407] [<c1041b30>] __do_softirq+0xd0/0x130
[ 975.517411] SOFTIRQ-ON-R at:
[ 975.517412] [<c1066242>] mark_irqflags+0xe2/0x180
[ 975.517415] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517418] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517421] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 975.517423] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 975.517427] [<c12e2397>] inet_shutdown+0x97/0x110
[ 975.517429] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 975.517432] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 975.517435] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 975.517438] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 975.517442] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 975.517445] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 975.517448] [<c1052a65>] kthread+0x75/0x80
[ 975.517450] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 975.517453] INITIAL USE at:
[ 975.517455] [<c1066e16>] __lock_acquire+0x1c6/0x8e0
[ 975.517457] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517460] [<c13323fe>] _raw_write_lock_bh+0x3e/0x80
[ 975.517463] [<c128c79f>] sk_common_release+0x2f/0xc0
[ 975.517466] [<c12db7f8>] udp_lib_close+0x8/0x10
[ 975.517469] [<c12e18ce>] inet_release+0xbe/0x100
[ 975.517471] [<c1286c36>] sock_release+0x66/0x80
[ 975.517474] [<c1287952>] sock_close+0x12/0x30
[ 975.517477] [<c10b705b>] __fput+0x1cb/0x210
[ 975.517480] [<c10b70b9>] fput+0x19/0x20
[ 975.517483] [<c10b54f3>] filp_close+0x43/0x70
[ 975.517485] [<c103eafb>] close_files+0xab/0x140
[ 975.517488] [<c103ebf9>] put_files_struct+0x29/0xf0
[ 975.517495] [<c103ed50>] exit_files+0x40/0x50
[ 975.517498] [<c103f400>] do_exit+0x100/0x2b0
[ 975.517501] [<c103f614>] do_group_exit+0x34/0xb0
[ 975.517504] [<c103f69f>] sys_exit_group+0xf/0x20
[ 975.517507] [<c13327e1>] syscall_call+0x7/0xb
[ 975.517510] }
[ 975.517511] ... key at: [<c1cbfd90>] af_callback_keys+0x10/0x130
[ 975.517513] ... acquired at:
[ 975.517515] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 975.517517] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 975.517519] [<c106657c>] mark_lock+0x21c/0x3c0
[ 975.517522] [<c1066242>] mark_irqflags+0xe2/0x180
[ 975.517524] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517526] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517529] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 975.517531] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 975.517534] [<c12e2397>] inet_shutdown+0x97/0x110
[ 975.517536] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 975.517539] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 975.517541] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 975.517544] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 975.517546] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 975.517549] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 975.517551] [<c1052a65>] kthread+0x75/0x80
[ 975.517553] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 975.517556]
[ 975.517570]
[ 975.517571] stack backtrace:
[ 975.517628] Pid: 337, comm: rpciod/1 Not tainted 2.6.35-rc3-ccs #6
[ 975.517648] Call Trace:
[ 975.517692] [<c103cbe8>] ? printk+0x18/0x20
[ 975.517704] [<c1065558>] print_irq_inversion_bug+0x108/0x120
[ 975.517708] [<c10656c6>] check_usage_backwards+0x76/0xd0
[ 975.517711] [<c10658d9>] mark_lock_irq+0x99/0x240
[ 975.517713] [<c1065650>] ? check_usage_backwards+0x0/0xd0
[ 975.517716] [<c106657c>] mark_lock+0x21c/0x3c0
[ 975.517718] [<c1066242>] mark_irqflags+0xe2/0x180
[ 975.517721] [<c1066fdd>] __lock_acquire+0x38d/0x8e0
[ 975.517723] [<c10682da>] ? __lock_is_held+0x3a/0x60
[ 975.517726] [<c106857a>] lock_acquire+0x7a/0xa0
[ 975.517729] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 975.517732] [<c1331f69>] _raw_read_lock+0x39/0x70
[ 975.517735] [<c130a0ae>] ? xs_tcp_state_change+0x1e/0x1c0
[ 975.517737] [<c130a0ae>] xs_tcp_state_change+0x1e/0x1c0
[ 975.517740] [<c12cf3bf>] ? tcp_send_fin+0x4f/0xc0
[ 975.517743] [<c12e2397>] inet_shutdown+0x97/0x110
[ 975.517745] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 975.517748] [<c1289649>] kernel_sock_shutdown+0x9/0x10
[ 975.517751] [<c13093a7>] xs_tcp_shutdown+0x17/0x20
[ 975.517753] [<c13096a7>] xs_tcp_close+0x27/0x30
[ 975.517756] [<c130792d>] xprt_autoclose+0x1d/0x50
[ 975.517758] [<c104edc0>] run_workqueue+0xe0/0x1d0
[ 975.517761] [<c104ed5e>] ? run_workqueue+0x7e/0x1d0
[ 975.517763] [<c1307910>] ? xprt_autoclose+0x0/0x50
[ 975.517766] [<c1052e8a>] ? prepare_to_wait+0x3a/0x60
[ 975.517769] [<c104ef4b>] worker_thread+0x9b/0xd0
[ 975.517771] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 975.517774] [<c1053000>] ? autoremove_wake_function+0x0/0x50
[ 975.517779] [<c1035456>] ? complete+0x46/0x60
[ 975.517782] [<c1052a65>] kthread+0x75/0x80
[ 975.517784] [<c104eeb0>] ? worker_thread+0x0/0xd0
[ 975.517786] [<c10529f0>] ? kthread+0x0/0x80
[ 975.517789] [<c10529f0>] ? kthread+0x0/0x80
[ 975.517791] [<c100317a>] kernel_thread_helper+0x6/0x1c
[ 984.626828] Restarting system.
[ 984.627458] machine restart
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
