Re: 2.6.23-rc2-mm2: possible irq lock inversion dependency detected

From: Mariusz Kozlowski
Date: Fri Aug 10 2007 - 04:00:21 EST

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Hello,

Have fun :)

=========================================================
[ INFO: possible irq lock inversion dependency detected ]
2.6.23-rc2-mm2 #1
---------------------------------------------------------
depscan.sh/5928 just changed the state of lock:
(_xmit_ETHER){-+..}, at: [<c03cb669>] dev_watchdog+0x17/0xcc
but this lock took another, soft-irq-unsafe lock in the past:
(&tp->lock){--..}

and interrupts could create inverse lock ordering between them.

other info that might help us debug this:
no locks held by depscan.sh/5928.

the first lock's dependencies:
-> (_xmit_ETHER){-+..} ops: 27 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c045282a>] _spin_lock_bh+0x3a/0x47
[<c03bc0a6>] dev_set_rx_mode+0x14/0x3b
[<c03bc5af>] dev_change_flags+0x68/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c03cb669>] dev_watchdog+0x17/0xcc
[<c01224b7>] run_timer_softirq+0x14b/0x1a9
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<ffffffff>] 0xffffffff
hardirq-on-W at:
[<c01393d0>] __lock_acquire+0x73e/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c045282a>] _spin_lock_bh+0x3a/0x47
[<c03bc0a6>] dev_set_rx_mode+0x14/0x3b
[<c03bc5af>] dev_change_flags+0x68/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
}
... key at: [<c087e9e8>] netdev_xmit_lock_key+0x8/0x1c0
-> (&tp->lock){--..} ops: 44 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<de84d6e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c0148b92>] request_irq+0xba/0x108
[<de84e52d>] rtl8139_open+0x2f/0x1e2 [8139too]
[<c03be80d>] dev_open+0x37/0x76
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
softirq-on-W at:
[<c01393f9>] __lock_acquire+0x767/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<de84d6e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de84ec90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5d3>] dev_close+0x57/0x74
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
hardirq-on-W at:
[<c01393d0>] __lock_acquire+0x73e/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<de84d6e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de84ec90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5d3>] dev_close+0x57/0x74
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
}
... key at: [<de852190>] __key.19796+0x0/0xffffd3c9 [8139too]
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<de84d275>] rtl8139_set_rx_mode+0x1e/0x166 [8139too]
[<c03bbe72>] __dev_set_rx_mode+0x24/0x85
[<c03bc0b8>] dev_set_rx_mode+0x26/0x3b
[<c03be830>] dev_open+0x5a/0x76
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff

-> (&priv->lock){++..} ops: 113 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04529cc>] _spin_lock_irq+0x3b/0x48
[<ded03256>] orinoco_init+0x8f5/0xbbd [orinoco]
[<c03bdbde>] register_netdevice+0x13a/0x3f8
[<c03bdece>] register_netdev+0x32/0x3f
[<ded2c4bb>] orinoco_cs_probe+0x368/0x3df [orinoco_cs]
[<ded378d9>] pcmcia_device_probe+0xc9/0x14c [pcmcia]
[<c02f324f>] driver_probe_device+0xa6/0x198
[<c02f3492>] __driver_attach+0xa2/0xa4
[<c02f271a>] bus_for_each_dev+0x43/0x61
[<c02f30d1>] driver_attach+0x19/0x1b
[<c02f2a89>] bus_add_driver+0x7e/0x1a5
[<c02f363f>] driver_register+0x45/0x75
[<ded38560>] pcmcia_register_driver+0xdb/0x12f [pcmcia]
[<de84b024>] 0xde84b024
[<c0140a47>] sys_init_module+0xc4/0x1622
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c01395db>] __lock_acquire+0x949/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<ded03bb4>] orinoco_interrupt+0x3f/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<ded06a99>] orinoco_get_wireless_stats+0xeb/0x140 [orinoco]
[<c042b2ba>] get_wireless_stats+0x1a/0x21
[<c042bf69>] wireless_seq_show+0x20/0x143
[<c0187357>] seq_read+0x1af/0x2b8
[<c01a1ed2>] proc_reg_read+0x57/0x78
[<c016d781>] vfs_read+0xaa/0x147
[<c016dba6>] sys_read+0x3d/0x7b
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<ded03bb4>] orinoco_interrupt+0x3f/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<ded06a99>] orinoco_get_wireless_stats+0xeb/0x140 [orinoco]
[<c042b2ba>] get_wireless_stats+0x1a/0x21
[<c042bf69>] wireless_seq_show+0x20/0x143
[<c0187357>] seq_read+0x1af/0x2b8
[<c01a1ed2>] proc_reg_read+0x57/0x78
[<c016d781>] vfs_read+0xaa/0x147
[<c016dba6>] sys_read+0x3d/0x7b
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
}
... key at: [<ded0a298>] __key.20430+0x0/0xffffc9cd [orinoco]
-> (lweventlist_lock){+...} ops: 8 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c03c78db>] linkwatch_add_event+0x10/0x31
[<c03c79ba>] linkwatch_fire_event+0x35/0x37
[<c03cb36a>] netif_carrier_off+0x19/0x20
[<ded023b5>] alloc_orinocodev+0x181/0x19c [orinoco]
[<ded2c170>] orinoco_cs_probe+0x1d/0x3df [orinoco_cs]
[<ded378d9>] pcmcia_device_probe+0xc9/0x14c [pcmcia]
[<c02f324f>] driver_probe_device+0xa6/0x198
[<c02f3492>] __driver_attach+0xa2/0xa4
[<c02f271a>] bus_for_each_dev+0x43/0x61
[<c02f30d1>] driver_attach+0x19/0x1b
[<c02f2a89>] bus_add_driver+0x7e/0x1a5
[<c02f363f>] driver_register+0x45/0x75
[<ded38560>] pcmcia_register_driver+0xdb/0x12f [pcmcia]
[<de84b024>] 0xde84b024
[<c0140a47>] sys_init_module+0xc4/0x1622
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c01395db>] __lock_acquire+0x949/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c03c78db>] linkwatch_add_event+0x10/0x31
[<c03c79ba>] linkwatch_fire_event+0x35/0x37
[<c03cb39a>] netif_carrier_on+0x29/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706cb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
}
... key at: [<c05e4990>] lweventlist_lock+0x10/0x20
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c03c78db>] linkwatch_add_event+0x10/0x31
[<c03c79ba>] linkwatch_fire_event+0x35/0x37
[<c03cb39a>] netif_carrier_on+0x29/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706cb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff

-> (&cwq->lock){++..} ops: 4593 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c0129002>] __queue_work+0xf/0x2d
[<c012909f>] queue_work+0x57/0x90
[<c0128714>] call_usermodehelper_exec+0xce/0xe1
[<c0265385>] kobject_uevent_env+0x34d/0x449
[<c026548b>] kobject_uevent+0xa/0xf
[<c0264b69>] kset_register+0x32/0x38
[<c0264b77>] subsystem_register+0x8/0xa
[<c02f2c9a>] bus_register+0x65/0x1f3
[<c0611db6>] platform_bus_init+0x23/0x38
[<c0611e0c>] driver_init+0x1c/0x31
[<c05fc68d>] kernel_init+0x5d/0x26b
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c01395db>] __lock_acquire+0x949/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c0129002>] __queue_work+0xf/0x2d
[<c012909f>] queue_work+0x57/0x90
[<c029239a>] acpi_os_execute+0xae/0xcb
[<c02aa226>] acpi_ec_gpe_handler+0x4d/0x5e
[<c0297f51>] acpi_ev_gpe_dispatch+0x4b/0x115
[<c0298253>] acpi_ev_gpe_detect+0x9a/0xe1
[<c0296989>] acpi_ev_sci_xrupt_handler+0x15/0x1d
[<c0291aae>] acpi_irq+0xe/0x18
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c0129002>] __queue_work+0xf/0x2d
[<c0129044>] delayed_work_timer_fn+0x24/0x28
[<c01224b7>] run_timer_softirq+0x14b/0x1a9
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c0128b00>] run_workqueue+0xe8/0x1f3
[<c0129648>] worker_thread+0x9a/0xf2
[<c012c04e>] kthread+0x36/0x58
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff
}
... key at: [<c0657ae8>] __key.11148+0x0/0x8
-> (&q->lock){++..} ops: 74830 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04529cc>] _spin_lock_irq+0x3b/0x48
[<c044fcf5>] wait_for_completion+0x24/0xb5
[<c012c1d1>] kthread_create+0x69/0xa8
[<c0606fcc>] cpu_callback+0x48/0xa3
[<c0607043>] spawn_ksoftirqd+0x1c/0x4e
[<c05fc66c>] kernel_init+0x3c/0x26b
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c01395db>] __lock_acquire+0x949/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c0113d3b>] __wake_up+0x15/0x42
[<c02aa1ff>] acpi_ec_gpe_handler+0x26/0x5e
[<c0297f51>] acpi_ev_gpe_dispatch+0x4b/0x115
[<c0298253>] acpi_ev_gpe_detect+0x9a/0xe1
[<c0296989>] acpi_ev_sci_xrupt_handler+0x15/0x1d
[<c0291aae>] acpi_irq+0xe/0x18
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c0113c7c>] complete+0x15/0x4b
[<c0129ebe>] wakeme_after_rcu+0xb/0xd
[<c012a013>] __rcu_process_callbacks+0x69/0x1cf
[<c012a18b>] rcu_process_callbacks+0x12/0x23
[<c011eda3>] tasklet_action+0x3b/0x7b
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
}
... key at: [<c0657f30>] __key.11466+0x0/0x8
-> (&rq->rq_lock_key){++..} ops: 216798 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c060664a>] init_idle+0x40/0x6d
[<c06067e0>] sched_init+0x169/0x17c
[<c05fc970>] start_kernel+0xd5/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c01395db>] __lock_acquire+0x949/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c01157f3>] scheduler_tick+0x20/0x192
[<c0122c31>] update_process_times+0x43/0x62
[<c0134325>] tick_periodic+0x24/0x75
[<c013438e>] tick_handle_periodic+0x18/0x7a
[<c01064ae>] timer_interrupt+0xe/0x15
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c014890a>] setup_irq+0xf2/0x20d
[<c060656f>] time_init_hook+0x19/0x1b
[<c05ffcc8>] hpet_time_init+0xd/0x15
[<c05fca70>] start_kernel+0x1d5/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c0114ec2>] task_rq_lock+0x28/0x40
[<c011504c>] try_to_wake_up+0x18/0x92
[<c01150d1>] default_wake_function+0xb/0xd
[<c011284b>] __wake_up_common+0x39/0x59
[<c0113ca1>] complete+0x3a/0x4b
[<c0129ebe>] wakeme_after_rcu+0xb/0xd
[<c012a013>] __rcu_process_callbacks+0x69/0x1cf
[<c012a18b>] rcu_process_callbacks+0x12/0x23
[<c011eda3>] tasklet_action+0x3b/0x7b
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
}
... key at: [<c0635d28>] per_cpu__runqueues+0x468/0x470
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c0114ec2>] task_rq_lock+0x28/0x40
[<c011504c>] try_to_wake_up+0x18/0x92
[<c01150d1>] default_wake_function+0xb/0xd
[<c011284b>] __wake_up_common+0x39/0x59
[<c0113ca1>] complete+0x3a/0x4b
[<c012c037>] kthread+0x1f/0x58
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff

... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c0113d3b>] __wake_up+0x15/0x42
[<c0128c6b>] insert_work+0x60/0x75
[<c0129012>] __queue_work+0x1f/0x2d
[<c012909f>] queue_work+0x57/0x90
[<c0128714>] call_usermodehelper_exec+0xce/0xe1
[<c0265385>] kobject_uevent_env+0x34d/0x449
[<c026548b>] kobject_uevent+0xa/0xf
[<c0264b69>] kset_register+0x32/0x38
[<c0264b77>] subsystem_register+0x8/0xa
[<c02f2c9a>] bus_register+0x65/0x1f3
[<c0611db6>] platform_bus_init+0x23/0x38
[<c0611e0c>] driver_init+0x1c/0x31
[<c05fc68d>] kernel_init+0x5d/0x26b
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff

... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c0129002>] __queue_work+0xf/0x2d
[<c012909f>] queue_work+0x57/0x90
[<c01294af>] queue_delayed_work+0x27/0x48
[<c01294f2>] schedule_delayed_work+0x22/0x26
[<c03c793c>] linkwatch_schedule_work+0x40/0x89
[<c03c79a9>] linkwatch_fire_event+0x24/0x37
[<c03cb39a>] netif_carrier_on+0x29/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706cb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff

-> (base_lock_keys + cpu){++..} ops: 69219 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c01229f6>] lock_timer_base+0x41/0x66
[<c0122ab8>] __mod_timer+0x3b/0xc5
[<c0122bea>] mod_timer+0x47/0x4b
[<c0611091>] con_init+0x24b/0x27e
[<c061075a>] console_init+0x20/0x2e
[<c05fca30>] start_kernel+0x195/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c01395db>] __lock_acquire+0x949/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c01229f6>] lock_timer_base+0x41/0x66
[<c0122a47>] del_timer+0x2c/0x62
[<c0302a8b>] ide_intr+0x72/0x1f0
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04529cc>] _spin_lock_irq+0x3b/0x48
[<c0122395>] run_timer_softirq+0x29/0x1a9
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c014890a>] setup_irq+0xf2/0x20d
[<c060656f>] time_init_hook+0x19/0x1b
[<c05ffcc8>] hpet_time_init+0xd/0x15
[<c05fca70>] start_kernel+0x1d5/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
}
... key at: [<c0657a96>] base_lock_keys+0x0/0xa
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c01229f6>] lock_timer_base+0x41/0x66
[<c0122ab8>] __mod_timer+0x3b/0xc5
[<c0122bea>] mod_timer+0x47/0x4b
[<c03cae67>] __netdev_watchdog_up+0x37/0x50
[<c03cb390>] netif_carrier_on+0x1f/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706cb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff

-> (&list->lock#2){.+..} ops: 12 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c03b70bb>] skb_queue_tail+0x14/0x33
[<c042b67b>] wireless_send_event+0x348/0x369
[<c042b9b9>] ioctl_standard_call+0x1b2/0x34d
[<c042beae>] wext_handle_ioctl+0x35a/0x3e4
[<c03be765>] dev_ioctl+0x31e/0x325
[<c03b153c>] sock_ioctl+0xb7/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c03b716c>] skb_dequeue+0x12/0x50
[<c042b32d>] wireless_nlevent_process+0x2d/0x33
[<c011eda3>] tasklet_action+0x3b/0x7b
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<ded028e3>] orinoco_ioctl_commit+0x8e/0x10c [orinoco]
[<c042b2f0>] call_commit_handler+0x2f/0x3f
[<c042b9d2>] ioctl_standard_call+0x1cb/0x34d
[<c042beae>] wext_handle_ioctl+0x35a/0x3e4
[<c03be765>] dev_ioctl+0x31e/0x325
[<c03b153c>] sock_ioctl+0xb7/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
}
... key at: [<c0884a80>] __key.13323+0x0/0x20
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c03b70bb>] skb_queue_tail+0x14/0x33
[<c042b67b>] wireless_send_event+0x348/0x369
[<ded03b69>] orinoco_send_wevents+0x9a/0xa6 [orinoco]
[<c0128b28>] run_workqueue+0x110/0x1f3
[<c0129648>] worker_thread+0x9a/0xf2
[<c012c04e>] kthread+0x36/0x58
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff

-> (&rq->rq_lock_key){++..} ops: 216798 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<c060664a>] init_idle+0x40/0x6d
[<c06067e0>] sched_init+0x169/0x17c
[<c05fc970>] start_kernel+0xd5/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-hardirq-W at:
[<c01395db>] __lock_acquire+0x949/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c01157f3>] scheduler_tick+0x20/0x192
[<c0122c31>] update_process_times+0x43/0x62
[<c0134325>] tick_periodic+0x24/0x75
[<c013438e>] tick_handle_periodic+0x18/0x7a
[<c01064ae>] timer_interrupt+0xe/0x15
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a1a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c014890a>] setup_irq+0xf2/0x20d
[<c060656f>] time_init_hook+0x19/0x1b
[<c05ffcc8>] hpet_time_init+0xd/0x15
[<c05fca70>] start_kernel+0x1d5/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
in-softirq-W at:
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c0114ec2>] task_rq_lock+0x28/0x40
[<c011504c>] try_to_wake_up+0x18/0x92
[<c01150d1>] default_wake_function+0xb/0xd
[<c011284b>] __wake_up_common+0x39/0x59
[<c0113ca1>] complete+0x3a/0x4b
[<c0129ebe>] wakeme_after_rcu+0xb/0xd
[<c012a013>] __rcu_process_callbacks+0x69/0x1cf
[<c012a18b>] rcu_process_callbacks+0x12/0x23
[<c011eda3>] tasklet_action+0x3b/0x7b
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f214>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
}
... key at: [<c0635d28>] per_cpu__runqueues+0x468/0x470
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c0114ec2>] task_rq_lock+0x28/0x40
[<c011504c>] try_to_wake_up+0x18/0x92
[<c01150ee>] wake_up_process+0xf/0x11
[<c011f5cc>] __tasklet_schedule+0x6d/0x6f
[<c042b697>] wireless_send_event+0x364/0x369
[<ded03b69>] orinoco_send_wevents+0x9a/0xa6 [orinoco]
[<c0128b28>] run_workqueue+0x110/0x1f3
[<c0129648>] worker_thread+0x9a/0xf2
[<c012c04e>] kthread+0x36/0x58
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff

... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a5f>] _spin_lock_irqsave+0x3e/0x4e
[<ded03598>] orinoco_set_multicast_list+0x1b/0x5f [orinoco]
[<c03bbe72>] __dev_set_rx_mode+0x24/0x85
[<c03bc0b8>] dev_set_rx_mode+0x26/0x3b
[<c03be830>] dev_open+0x5a/0x76
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff

the second lock's dependencies:
-> (&tp->lock){--..} ops: 44 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<de84d6e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c0148b92>] request_irq+0xba/0x108
[<de84e52d>] rtl8139_open+0x2f/0x1e2 [8139too]
[<c03be80d>] dev_open+0x37/0x76
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
softirq-on-W at:
[<c01393f9>] __lock_acquire+0x767/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<de84d6e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de84ec90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5d3>] dev_close+0x57/0x74
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
hardirq-on-W at:
[<c01393d0>] __lock_acquire+0x73e/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<de84d6e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de84ec90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5d3>] dev_close+0x57/0x74
[<c03bc5d5>] dev_change_flags+0x8e/0x190
[<c03fcb5c>] devinet_ioctl+0x4af/0x652
[<c03fd442>] inet_ioctl+0x56/0x71
[<c03b152a>] sock_ioctl+0xa5/0x1d4
[<c0178a52>] do_ioctl+0x22/0x71
[<c0178af6>] vfs_ioctl+0x55/0x29e
[<c0178d72>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
}
... key at: [<de852190>] __key.19796+0x0/0xffffd3c9 [8139too]

stack backtrace:
[<c0104899>] show_trace_log_lvl+0x1a/0x30
[<c0105296>] show_trace+0x12/0x14
[<c01053fe>] dump_stack+0x15/0x17
[<c0137462>] print_irq_inversion_bug+0x101/0x123
[<c0137db1>] check_usage_forwards+0x3e/0x45
[<c0137f67>] mark_lock+0x1af/0x70c
[<c0139384>] __lock_acquire+0x6f2/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527e3>] _spin_lock+0x35/0x42
[<c03cb669>] dev_watchdog+0x17/0xcc
[<c01224b7>] run_timer_softirq+0x14b/0x1a9
[<c011ecc2>] __do_softirq+0x5b/0xb2
[<c011ed66>] do_softirq+0x4d/0x4f
[<c011f04b>] irq_exit+0x48/0x4a
[<c01058f8>] do_IRQ+0x98/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
=======================
Clocksource tsc unstable (delta = 9372868714 ns)

Regards,

Mariusz
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