> > =================================
> > [ INFO: inconsistent lock state ]
> > 2.6.23-rc2-mm1 #7
> > ---------------------------------
> > inconsistent {in-hardirq-W} -> {hardirq-on-W} usage.
> > ifconfig/5492 [HC0[0]:SC0[0]:HE1:SE1] takes:
> > (&tp->lock){+...}, at: [<de8706e0>] rtl8139_interrupt+0x27/0x46b [8139too]
> > {in-hardirq-W} state was registered at:
> > [<c0138eeb>] __lock_acquire+0x949/0x11ac
> > [<c01397e7>] lock_acquire+0x99/0xb2
> > [<c0452ff3>] _spin_lock+0x35/0x42
> > [<de8706e0>] rtl8139_interrupt+0x27/0x46b [8139too]
> > [<c0147a5d>] handle_IRQ_event+0x28/0x59
> > [<c01493ca>] handle_level_irq+0xad/0x10b
> > [<c0105a13>] do_IRQ+0x93/0xd0
> > [<c010441e>] common_interrupt+0x2e/0x34
> ...
> > other info that might help us debug this:
> > 1 lock held by ifconfig/5492:
> > #0: (rtnl_mutex){--..}, at: [<c0451778>] mutex_lock+0x1c/0x1f
> >
> > stack backtrace:
> ...
> > [<c0452ff3>] _spin_lock+0x35/0x42
> > [<de8706e0>] rtl8139_interrupt+0x27/0x46b [8139too]
> > [<c01480fd>] free_irq+0x11b/0x146
> > [<de871d59>] rtl8139_close+0x8a/0x14a [8139too]
> > [<c03bde63>] dev_close+0x57/0x74
> ...
>
> It looks like this was possible after David's fix, which really
> enabled running of the handler in free_irq, but before Andrew's patch
> disabling local irqs for this time.
>
> So, this bug should be fixed, but IMHO similar problem is possible in
> request_irq. And, I think, this is not only about lockdep complaining,
> but real lockup possibility, because any locks in such a handler are
> taken in another, not expected for them context, and could be
> vulnerable (especially with softirqs, but probably hardirqs as well).
>
> Reported-by: Mariusz Kozlowski <[email protected]>
> Signed-off-by: Jarek Poplawski <[email protected]>
>
> ---
>
> diff -Nurp 2.6.23-rc3-mm1-/kernel/irq/manage.c 2.6.23-rc3-mm1/kernel/irq/manage.c
> --- 2.6.23-rc3-mm1-/kernel/irq/manage.c 2007-08-22 13:58:58.000000000 +0200
> +++ 2.6.23-rc3-mm1/kernel/irq/manage.c 2007-08-22 14:12:21.000000000 +0200
> @@ -546,14 +546,11 @@ int request_irq(unsigned int irq, irq_ha
> * We do this before actually registering it, to make sure that
> * a 'real' IRQ doesn't run in parallel with our fake
> */
> - if (irqflags & IRQF_DISABLED) {
> - unsigned long flags;
> + unsigned long flags;
>
> - local_irq_save(flags);
> - handler(irq, dev_id);
> - local_irq_restore(flags);
> - } else
> - handler(irq, dev_id);
> + local_irq_save(flags);
> + handler(irq, dev_id);
> + local_irq_restore(flags);
> }
> #endif
I tested your patch and it still happens. Dmesg info from patched kernel attached.
I coulnd't reproduce that on 2.6.23-rc3-mm1 - but on 2.6.23-rc2-mm2 it is easily
reproducible.
If you need more info, test some patches, etc. - just mail me.
Pozdrawiam,
Mariusz
=========================================================
[ INFO: possible irq lock inversion dependency detected ]
2.6.23-rc2-mm2 #2
---------------------------------------------------------
runscript.sh/5065 just changed the state of lock:
(_xmit_ETHER){-+..}, at: [<c03cb659>] 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:
1 lock held by runscript.sh/5065:
#0: (&mm->mmap_sem){----}, at: [<c0454569>] do_page_fault+0x159/0x6f0
the first lock's dependencies:
-> (_xmit_ETHER){-+..} ops: 21 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c045281a>] _spin_lock_bh+0x3a/0x47
[<c03bc096>] dev_set_rx_mode+0x14/0x3b
[<c03bc59f>] dev_change_flags+0x68/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c04527d3>] _spin_lock+0x35/0x42
[<c03cb659>] 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
[<c014b039>] find_lock_page+0x9b/0xa5
[<c014d680>] filemap_fault+0x188/0x4d9
[<c015760d>] __do_fault+0xb7/0x444
[<c0159164>] handle_mm_fault+0x18a/0x6fc
[<c0454864>] do_page_fault+0x454/0x6f0
[<c0453102>] error_code+0x6a/0x70
[<ffffffff>] 0xffffffff
hardirq-on-W at:
[<c01393d0>] __lock_acquire+0x73e/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c045281a>] _spin_lock_bh+0x3a/0x47
[<c03bc096>] dev_set_rx_mode+0x14/0x3b
[<c03bc59f>] dev_change_flags+0x68/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c04527d3>] _spin_lock+0x35/0x42
[<de8706e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c0148bae>] request_irq+0xd6/0xf8
[<de87152d>] rtl8139_open+0x2f/0x1e2 [8139too]
[<c03be7fd>] dev_open+0x37/0x76
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c04527d3>] _spin_lock+0x35/0x42
[<de8706e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de871c90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5c3>] dev_close+0x57/0x74
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c04527d3>] _spin_lock+0x35/0x42
[<de8706e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de871c90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5c3>] dev_close+0x57/0x74
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
}
... key at: [<de875190>] __key.19796+0x0/0xffffd3c9 [8139too]
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<de870275>] rtl8139_set_rx_mode+0x1e/0x166 [8139too]
[<c03bbe62>] __dev_set_rx_mode+0x24/0x85
[<c03bc0a8>] dev_set_rx_mode+0x26/0x3b
[<c03be820>] dev_open+0x5a/0x76
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
-> (&priv->lock){++..} ops: 103 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04529bc>] _spin_lock_irq+0x3b/0x48
[<ded03256>] orinoco_init+0x8f5/0xbbd [orinoco]
[<c03bdbce>] register_netdevice+0x13a/0x3f8
[<c03bdebe>] register_netdev+0x32/0x3f
[<ded2c4bb>] orinoco_cs_probe+0x368/0x3df [orinoco_cs]
[<ded378d9>] pcmcia_device_probe+0xc9/0x14c [pcmcia]
[<c02f323f>] driver_probe_device+0xa6/0x198
[<c02f3482>] __driver_attach+0xa2/0xa4
[<c02f270a>] bus_for_each_dev+0x43/0x61
[<c02f30c1>] driver_attach+0x19/0x1b
[<c02f2a79>] bus_add_driver+0x7e/0x1a5
[<c02f362f>] driver_register+0x45/0x75
[<ded38560>] pcmcia_register_driver+0xdb/0x12f [pcmcia]
[<de87c024>] 0xde87c024
[<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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<ded03bb4>] orinoco_interrupt+0x3f/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<ded06a99>] orinoco_get_wireless_stats+0xeb/0x140 [orinoco]
[<c042b2aa>] get_wireless_stats+0x1a/0x21
[<c042bf59>] wireless_seq_show+0x20/0x143
[<c0187347>] seq_read+0x1af/0x2b8
[<c01a1ec2>] proc_reg_read+0x57/0x78
[<c016d771>] vfs_read+0xaa/0x147
[<c016db96>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<ded03bb4>] orinoco_interrupt+0x3f/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] 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]
[<c042b2aa>] get_wireless_stats+0x1a/0x21
[<c042bf59>] wireless_seq_show+0x20/0x143
[<c0187347>] seq_read+0x1af/0x2b8
[<c01a1ec2>] proc_reg_read+0x57/0x78
[<c016d771>] vfs_read+0xaa/0x147
[<c016db96>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c03c78cb>] linkwatch_add_event+0x10/0x31
[<c03c79aa>] linkwatch_fire_event+0x35/0x37
[<c03cb35a>] 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]
[<c02f323f>] driver_probe_device+0xa6/0x198
[<c02f3482>] __driver_attach+0xa2/0xa4
[<c02f270a>] bus_for_each_dev+0x43/0x61
[<c02f30c1>] driver_attach+0x19/0x1b
[<c02f2a79>] bus_add_driver+0x7e/0x1a5
[<c02f362f>] driver_register+0x45/0x75
[<ded38560>] pcmcia_register_driver+0xdb/0x12f [pcmcia]
[<de87c024>] 0xde87c024
[<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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c03c78cb>] linkwatch_add_event+0x10/0x31
[<c03c79aa>] linkwatch_fire_event+0x35/0x37
[<c03cb38a>] netif_carrier_on+0x29/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706bb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f204>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c03c78cb>] linkwatch_add_event+0x10/0x31
[<c03c79aa>] linkwatch_fire_event+0x35/0x37
[<c03cb38a>] netif_carrier_on+0x29/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706bb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f204>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
-> (&cwq->lock){++..} ops: 4755 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c0129002>] __queue_work+0xf/0x2d
[<c012909f>] queue_work+0x57/0x90
[<c0128714>] call_usermodehelper_exec+0xce/0xe1
[<c0265375>] kobject_uevent_env+0x34d/0x449
[<c026547b>] kobject_uevent+0xa/0xf
[<c0264b59>] kset_register+0x32/0x38
[<c0264b67>] subsystem_register+0x8/0xa
[<c02f2c8a>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c0129002>] __queue_work+0xf/0x2d
[<c012909f>] queue_work+0x57/0x90
[<c029238a>] acpi_os_execute+0xae/0xcb
[<c02aa216>] acpi_ec_gpe_handler+0x4d/0x5e
[<c0297f41>] acpi_ev_gpe_dispatch+0x4b/0x115
[<c0298243>] acpi_ev_gpe_detect+0x9a/0xe1
[<c0296979>] acpi_ev_sci_xrupt_handler+0x15/0x1d
[<c0291a9e>] acpi_irq+0xe/0x18
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f204>] 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
[<c0452a4f>] _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
[<c0452cac>] _spin_unlock+0x16/0x4d
[<c02638ce>] _atomic_dec_and_lock+0x2e/0x50
[<c017e962>] dput+0x36/0x101
[<c0176080>] __link_path_walk+0x8de/0xe06
[<c0176603>] link_path_walk+0x5b/0xe0
[<c01766a0>] path_walk+0x18/0x1a
[<c01768b2>] do_path_lookup+0x8f/0x21c
[<c017757a>] __path_lookup_intent_open+0x44/0x99
[<c0177658>] path_lookup_open+0x21/0x27
[<c0171056>] open_exec+0x27/0xac
[<c0172776>] do_execve+0x34/0x181
[<c0102752>] sys_execve+0x48/0x98
[<c0104256>] syscall_call+0x7/0xb
[<ffffffff>] 0xffffffff
}
... key at: [<c0657ae8>] __key.11148+0x0/0x8
-> (&q->lock){++..} ops: 69175 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04529bc>] _spin_lock_irq+0x3b/0x48
[<c044fce5>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c0113d3b>] __wake_up+0x15/0x42
[<c02aa1ef>] acpi_ec_gpe_handler+0x26/0x5e
[<c0297f41>] acpi_ev_gpe_dispatch+0x4b/0x115
[<c0298243>] acpi_ev_gpe_detect+0x9a/0xe1
[<c0296979>] acpi_ev_sci_xrupt_handler+0x15/0x1d
[<c0291a9e>] acpi_irq+0xe/0x18
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f204>] 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
[<c0452a4f>] _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
[<c044f204>] 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: 212030 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a4f>] _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
[<c04527d3>] _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
[<c0149a0a>] 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
[<c04527d3>] _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
[<c0149a0a>] 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
[<c029cf88>] acpi_ex_system_io_space_handler+0x3f/0x45
[<c0296612>] acpi_ev_address_space_dispatch+0x12f/0x170
[<c029a374>] acpi_ex_access_region+0x1a7/0x1b9
[<c029a497>] acpi_ex_field_datum_io+0x111/0x198
[<c029a812>] acpi_ex_write_with_update_rule+0xf7/0x100
[<c029aa97>] acpi_ex_insert_into_field+0x27c/0x289
[<c02991cc>] acpi_ex_write_data_to_field+0x207/0x21f
[<c029d1f8>] acpi_ex_store_object_to_node+0x70/0xa5
[<c029d387>] acpi_ex_store+0xd5/0x216
[<c029b2e6>] acpi_ex_opcode_1A_1T_1R+0x3a8/0x504
[<c0293f74>] acpi_ds_exec_end_op+0xc1/0x3bd
[<c02a2238>] acpi_ps_parse_loop+0x539/0x6d9
[<c02a16fa>] acpi_ps_parse_aml+0x68/0x235
[<c02a291c>] acpi_ps_execute_method+0x111/0x1b5
[<c029fd5b>] acpi_ns_evaluate+0x93/0xe8
[<c02a509c>] acpi_ut_evaluate_object+0x55/0x15f
[<c02a521f>] acpi_ut_execute_STA+0x1d/0x49
[<c029f7e7>] acpi_ns_get_device_callback+0x5a/0x11c
[<c02a0e74>] acpi_ns_walk_namespace+0xf0/0x10c
[<c029f711>] acpi_get_devices+0x47/0x5d
[<c06100a6>] pnpacpi_init+0x5e/0x8b
[<c05fc6c7>] kernel_init+0x97/0x26b
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff
}
... key at: [<c0635d28>] per_cpu__runqueues+0x468/0x470
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527d3>] _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
[<c0452a4f>] _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
[<c0265375>] kobject_uevent_env+0x34d/0x449
[<c026547b>] kobject_uevent+0xa/0xf
[<c0264b59>] kset_register+0x32/0x38
[<c0264b67>] subsystem_register+0x8/0xa
[<c02f2c8a>] 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
[<c0452a4f>] _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
[<c03c792c>] linkwatch_schedule_work+0x40/0x89
[<c03c7999>] linkwatch_fire_event+0x24/0x37
[<c03cb38a>] netif_carrier_on+0x29/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706bb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f204>] rest_init+0x60/0x62
[<c05fcad5>] start_kernel+0x23a/0x2c5
[<00000000>] 0x0
[<ffffffff>] 0xffffffff
-> (base_lock_keys + cpu){++..} ops: 85554 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a4f>] _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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c01229f6>] lock_timer_base+0x41/0x66
[<c0122a47>] del_timer+0x2c/0x62
[<c0302a7b>] ide_intr+0x72/0x1f0
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f204>] 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
[<c04529bc>] _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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c01229f6>] lock_timer_base+0x41/0x66
[<c0122ab8>] __mod_timer+0x3b/0xc5
[<c0122bea>] mod_timer+0x47/0x4b
[<c03cae57>] __netdev_watchdog_up+0x37/0x50
[<c03cb380>] netif_carrier_on+0x1f/0x2b
[<ded04bdc>] orinoco_interrupt+0x1067/0x1219 [orinoco]
[<c014814d>] handle_IRQ_event+0x28/0x59
[<c0149a0a>] handle_level_irq+0xad/0x10b
[<c01058f3>] do_IRQ+0x93/0xd0
[<c010444e>] common_interrupt+0x2e/0x34
[<c03706bb>] cpuidle_idle_call+0x74/0x99
[<c01025e4>] cpu_idle+0x87/0x89
[<c044f204>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c03b70ab>] skb_queue_tail+0x14/0x33
[<c042b66b>] wireless_send_event+0x348/0x369
[<c042b9a9>] ioctl_standard_call+0x1b2/0x34d
[<c042be9e>] wext_handle_ioctl+0x35a/0x3e4
[<c03be755>] dev_ioctl+0x31e/0x325
[<c03b152c>] sock_ioctl+0xb7/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c03b715c>] skb_dequeue+0x12/0x50
[<c042b31d>] 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]
[<c042b2e0>] call_commit_handler+0x2f/0x3f
[<c042b9c2>] ioctl_standard_call+0x1cb/0x34d
[<c042be9e>] wext_handle_ioctl+0x35a/0x3e4
[<c03be755>] dev_ioctl+0x31e/0x325
[<c03b152c>] sock_ioctl+0xb7/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<c03b70ab>] skb_queue_tail+0x14/0x33
[<c042b66b>] 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: 212030 {
initial-use at:
[<c0138ea9>] __lock_acquire+0x217/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c0452a4f>] _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
[<c04527d3>] _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
[<c0149a0a>] 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
[<c04527d3>] _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
[<c0149a0a>] 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
[<c029cf88>] acpi_ex_system_io_space_handler+0x3f/0x45
[<c0296612>] acpi_ev_address_space_dispatch+0x12f/0x170
[<c029a374>] acpi_ex_access_region+0x1a7/0x1b9
[<c029a497>] acpi_ex_field_datum_io+0x111/0x198
[<c029a812>] acpi_ex_write_with_update_rule+0xf7/0x100
[<c029aa97>] acpi_ex_insert_into_field+0x27c/0x289
[<c02991cc>] acpi_ex_write_data_to_field+0x207/0x21f
[<c029d1f8>] acpi_ex_store_object_to_node+0x70/0xa5
[<c029d387>] acpi_ex_store+0xd5/0x216
[<c029b2e6>] acpi_ex_opcode_1A_1T_1R+0x3a8/0x504
[<c0293f74>] acpi_ds_exec_end_op+0xc1/0x3bd
[<c02a2238>] acpi_ps_parse_loop+0x539/0x6d9
[<c02a16fa>] acpi_ps_parse_aml+0x68/0x235
[<c02a291c>] acpi_ps_execute_method+0x111/0x1b5
[<c029fd5b>] acpi_ns_evaluate+0x93/0xe8
[<c02a509c>] acpi_ut_evaluate_object+0x55/0x15f
[<c02a521f>] acpi_ut_execute_STA+0x1d/0x49
[<c029f7e7>] acpi_ns_get_device_callback+0x5a/0x11c
[<c02a0e74>] acpi_ns_walk_namespace+0xf0/0x10c
[<c029f711>] acpi_get_devices+0x47/0x5d
[<c06100a6>] pnpacpi_init+0x5e/0x8b
[<c05fc6c7>] kernel_init+0x97/0x26b
[<c010454b>] kernel_thread_helper+0x7/0x1c
[<ffffffff>] 0xffffffff
}
... key at: [<c0635d28>] per_cpu__runqueues+0x468/0x470
... acquired at:
[<c0139d2d>] __lock_acquire+0x109b/0x11ac
[<c0139ed7>] lock_acquire+0x99/0xb2
[<c04527d3>] _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
[<c042b687>] 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
[<c0452a4f>] _spin_lock_irqsave+0x3e/0x4e
[<ded03598>] orinoco_set_multicast_list+0x1b/0x5f [orinoco]
[<c03bbe62>] __dev_set_rx_mode+0x24/0x85
[<c03bc0a8>] dev_set_rx_mode+0x26/0x3b
[<c03be820>] dev_open+0x5a/0x76
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c04527d3>] _spin_lock+0x35/0x42
[<de8706e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c0148bae>] request_irq+0xd6/0xf8
[<de87152d>] rtl8139_open+0x2f/0x1e2 [8139too]
[<c03be7fd>] dev_open+0x37/0x76
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c04527d3>] _spin_lock+0x35/0x42
[<de8706e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de871c90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5c3>] dev_close+0x57/0x74
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] 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
[<c04527d3>] _spin_lock+0x35/0x42
[<de8706e2>] rtl8139_interrupt+0x27/0x469 [8139too]
[<c01487ed>] free_irq+0x11b/0x146
[<de871c90>] rtl8139_close+0x8a/0x14a [8139too]
[<c03bd5c3>] dev_close+0x57/0x74
[<c03bc5c5>] dev_change_flags+0x8e/0x190
[<c03fcb4c>] devinet_ioctl+0x4af/0x652
[<c03fd432>] inet_ioctl+0x56/0x71
[<c03b151a>] sock_ioctl+0xa5/0x1d4
[<c0178a42>] do_ioctl+0x22/0x71
[<c0178ae6>] vfs_ioctl+0x55/0x29e
[<c0178d62>] sys_ioctl+0x33/0x69
[<c01041da>] sysenter_past_esp+0x5f/0x99
[<ffffffff>] 0xffffffff
}
... key at: [<de875190>] __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
[<c04527d3>] _spin_lock+0x35/0x42
[<c03cb659>] 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
[<c014b039>] find_lock_page+0x9b/0xa5
[<c014d680>] filemap_fault+0x188/0x4d9
[<c015760d>] __do_fault+0xb7/0x444
[<c0159164>] handle_mm_fault+0x18a/0x6fc
[<c0454864>] do_page_fault+0x454/0x6f0
[<c0453102>] error_code+0x6a/0x70
=======================
Clocksource tsc unstable (delta = 9373021754 ns)
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