2.6.18.2: lockdep warnings on rmmod ohci_hcd
From: Andrey Borzenkov
Date: Mon Nov 06 2006 - 07:46:52 EST
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
I presume this is lockdep; this looks initially truncated, unfortunately this
is how it was stored in messages. I will try to get more complete output ig
required.
- -andrey
bor : TTY=pts/1 ; PWD=/tmp ; USER=root ; COMMAND=/sbin/rmmod ohci_hcd
+0x5d/0x360
[<00000000>] 0x0
in-hardirq-W at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock+44/64] _spin_lock+0x2c/0x40
[<c02aedec>] _spin_lock+0x2c/0x40
[scheduler_tick+199/768]
scheduler_tick+0xc7/0x300
[<c0115557>] scheduler_tick+0xc7/0x300
[update_process_times+70/112]
update_process_times+0x46/0x70
[<c0123206>] update_process_times+0x46/0x70
[timer_interrupt+65/160]
timer_interrupt+0x41/0xa0
[<c01067b1>] timer_interrupt+0x41/0xa0
[handle_IRQ_event+51/112]
handle_IRQ_event+0x33/0x70
[<c0146d43>] handle_IRQ_event+0x33/0x70
[__do_IRQ+137/272] __do_IRQ+0x89/0x110
[<c0146e09>] __do_IRQ+0x89/0x110
[do_IRQ+72/160] do_IRQ+0x48/0xa0
[<c01054b8>] do_IRQ+0x48/0xa0
[common_interrupt+37/44]
common_interrupt+0x25/0x2c
[<c0103a75>] common_interrupt+0x25/0x2c
[printk+27/32] printk+0x1b/0x20
[<c011a0bb>] printk+0x1b/0x20
[populate_rootfs+65/256]
populate_rootfs+0x41/0x100
[<c03bc191>] populate_rootfs+0x41/0x100
[init+53/656] init+0x35/0x290
[<c01002b5>] init+0x35/0x290
[kernel_thread_helper+5/16]
kernel_thread_helper+0x5/0x10
[<c0101005>] kernel_thread_helper+0x5/0x10
in-softirq-W at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock+44/64] _spin_lock+0x2c/0x40
[<c02aedec>] _spin_lock+0x2c/0x40
[task_rq_lock+23/32] task_rq_lock+0x17/0x20
[<c0115ad7>] task_rq_lock+0x17/0x20
[try_to_wake_up+32/288]
try_to_wake_up+0x20/0x120
[<c0115c20>] try_to_wake_up+0x20/0x120
[default_wake_function+11/16]
default_wake_function+0xb/0x10
[<c0115d2b>] default_wake_function+0xb/0x10
[__wake_up_common+57/112]
__wake_up_common+0x39/0x70
[<c0114dc9>] __wake_up_common+0x39/0x70
[complete+61/96] complete+0x3d/0x60
[<c01151bd>] complete+0x3d/0x60
[wakeme_after_rcu+11/16]
wakeme_after_rcu+0xb/0x10
[<c012a74b>] wakeme_after_rcu+0xb/0x10
[__rcu_process_callbacks+105/448]
__rcu_process_callbacks+0x69/0x1c0
[<c012a8e9>]
__rcu_process_callbacks+0x69/0x1c0
[rcu_process_callbacks+18/48]
rcu_process_callbacks+0x12/0x30
[<c012aa52>] rcu_process_callbacks+0x12/0x30
[tasklet_action+64/144]
tasklet_action+0x40/0x90
[<c011e880>] tasklet_action+0x40/0x90
[__do_softirq+85/192] __do_softirq+0x55/0xc0
[<c011e785>] __do_softirq+0x55/0xc0
[do_softirq+70/80] do_softirq+0x46/0x50
[<c011e836>] do_softirq+0x46/0x50
[irq_exit+53/64] irq_exit+0x35/0x40
[<c011ec65>] irq_exit+0x35/0x40
[do_IRQ+77/160] do_IRQ+0x4d/0xa0
[<c01054bd>] do_IRQ+0x4d/0xa0
[common_interrupt+37/44]
common_interrupt+0x25/0x2c
[<c0103a75>] common_interrupt+0x25/0x2c
[cpu_idle+57/80] cpu_idle+0x39/0x50
[<c0101c59>] cpu_idle+0x39/0x50
[rest_init+30/48] rest_init+0x1e/0x30
[<c010052e>] rest_init+0x1e/0x30
[start_kernel+691/864]
start_kernel+0x2b3/0x360
[<c03b67c3>] start_kernel+0x2b3/0x360
[<00000000>] 0x0
}
... key at: [per_cpu__runqueues+2388/2396]
per_cpu__runqueues+0x954/0x95c
... key at: [<c03f1d54>] per_cpu__runqueues+0x954/0x95c
... acquired at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock+44/64] _spin_lock+0x2c/0x40
[<c02aedec>] _spin_lock+0x2c/0x40
[task_rq_lock+23/32] task_rq_lock+0x17/0x20
[<c0115ad7>] task_rq_lock+0x17/0x20
[try_to_wake_up+32/288] try_to_wake_up+0x20/0x120
[<c0115c20>] try_to_wake_up+0x20/0x120
[default_wake_function+11/16] default_wake_function+0xb/0x10
[<c0115d2b>] default_wake_function+0xb/0x10
[autoremove_wake_function+27/80] autoremove_wake_function+0x1b/0x50
[<c012ccdb>] autoremove_wake_function+0x1b/0x50
[__wake_up_common+57/112] __wake_up_common+0x39/0x70
[<c0114dc9>] __wake_up_common+0x39/0x70
[__wake_up+55/80] __wake_up+0x37/0x50
[<c0115277>] __wake_up+0x37/0x50
[<dfc9fd04>] kick_khubd+0x54/0x70 [usbcore]
[<dfca049e>] hub_activate+0x4e/0xa0 [usbcore]
[<dfca16ad>] hub_probe+0x59d/0x730 [usbcore]
[<dfca6ca8>] usb_probe_interface+0x68/0xa0 [usbcore]
[driver_probe_device+68/192] driver_probe_device+0x44/0xc0
[<c021f974>] driver_probe_device+0x44/0xc0
[__device_attach+8/16] __device_attach+0x8/0x10
[<c021f9f8>] __device_attach+0x8/0x10
[bus_for_each_drv+87/128] bus_for_each_drv+0x57/0x80
[<c021f1c7>] bus_for_each_drv+0x57/0x80
[device_attach+118/128] device_attach+0x76/0x80
[<c021fa76>] device_attach+0x76/0x80
[bus_attach_device+30/64] bus_attach_device+0x1e/0x40
[<c021ee5e>] bus_attach_device+0x1e/0x40
[device_add+620/816] device_add+0x26c/0x330
[<c021defc>] device_add+0x26c/0x330
[<dfca5e00>] usb_set_configuration+0x330/0x490 [usbcore]
[<dfca0da5>] usb_new_device+0x1d5/0x300 [usbcore]
[<dfca3917>] usb_add_hcd+0x447/0x5a0 [usbcore]
[<dfcaca6f>] usb_hcd_pci_probe+0x19f/0x2b0 [usbcore]
[pci_device_probe+94/128] pci_device_probe+0x5e/0x80
[<c01ca83e>] pci_device_probe+0x5e/0x80
[driver_probe_device+68/192] driver_probe_device+0x44/0xc0
[<c021f974>] driver_probe_device+0x44/0xc0
[__driver_attach+165/176] __driver_attach+0xa5/0xb0
[<c021fb25>] __driver_attach+0xa5/0xb0
[bus_for_each_dev+73/112] bus_for_each_dev+0x49/0x70
[<c021f2d9>] bus_for_each_dev+0x49/0x70
[driver_attach+25/32] driver_attach+0x19/0x20
[<c021f8b9>] driver_attach+0x19/0x20
[bus_add_driver+113/320] bus_add_driver+0x71/0x140
[<c021eef1>] bus_add_driver+0x71/0x140
[driver_register+93/144] driver_register+0x5d/0x90
[<c021fdbd>] driver_register+0x5d/0x90
[__pci_register_driver+80/112] __pci_register_driver+0x50/0x70
[<c01ca9f0>] __pci_register_driver+0x50/0x70
[<df820038>] ac97_bus_suspend+0x28/0x30 [snd_ac97_bus]
[sys_init_module+301/6080] sys_init_module+0x12d/0x17c0
>] sys_init_module+0x12d/0x17c0
[sysenter_past_esp+86/141] sysenter_past_esp+0x56/0x8d
[<c0103009>] sysenter_past_esp+0x56/0x8d
... acquired at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock_irqsave+57/80] _spin_lock_irqsave+0x39/0x50
[<c02af2a9>] _spin_lock_irqsave+0x39/0x50
[__wake_up+27/80] __wake_up+0x1b/0x50
[<c011525b>] __wake_up+0x1b/0x50
[<dfc9fd04>] kick_khubd+0x54/0x70 [usbcore]
[<dfca049e>] hub_activate+0x4e/0xa0 [usbcore]
[<dfca16ad>] hub_probe+0x59d/0x730 [usbcore]
[<dfca6ca8>] usb_probe_interface+0x68/0xa0 [usbcore]
[driver_probe_device+68/192] driver_probe_device+0x44/0xc0
[<c021f974>] driver_probe_device+0x44/0xc0
[__device_attach+8/16] __device_attach+0x8/0x10
[<c021f9f8>] __device_attach+0x8/0x10
[bus_for_each_drv+87/128] bus_for_each_drv+0x57/0x80
[<c021f1c7>] bus_for_each_drv+0x57/0x80
[device_attach+118/128] device_attach+0x76/0x80
[<c021fa76>] device_attach+0x76/0x80
[bus_attach_device+30/64] bus_attach_device+0x1e/0x40
[<c021ee5e>] bus_attach_device+0x1e/0x40
[device_add+620/816] device_add+0x26c/0x330
[<c021defc>] device_add+0x26c/0x330
[<dfca5e00>] usb_set_configuration+0x330/0x490 [usbcore]
[<dfca0da5>] usb_new_device+0x1d5/0x300 [usbcore]
[<dfca3917>] usb_add_hcd+0x447/0x5a0 [usbcore]
[<dfcaca6f>] usb_hcd_pci_probe+0x19f/0x2b0 [usbcore]
[pci_device_probe+94/128] pci_device_probe+0x5e/0x80
[<c01ca83e>] pci_device_probe+0x5e/0x80
[driver_probe_device+68/192] driver_probe_device+0x44/0xc0
[<c021f974>] driver_probe_device+0x44/0xc0
[__driver_attach+165/176] __driver_attach+0xa5/0xb0
[<c021fb25>] __driver_attach+0xa5/0xb0
[bus_for_each_dev+73/112] bus_for_each_dev+0x49/0x70
[<c021f2d9>] bus_for_each_dev+0x49/0x70
[driver_attach+25/32] driver_attach+0x19/0x20
[<c021f8b9>] driver_attach+0x19/0x20
[bus_add_driver+113/320] bus_add_driver+0x71/0x140
[<c021eef1>] bus_add_driver+0x71/0x140
[driver_register+93/144] driver_register+0x5d/0x90
[<c021fdbd>] driver_register+0x5d/0x90
[__pci_register_driver+80/112] __pci_register_driver+0x50/0x70
[<c01ca9f0>] __pci_register_driver+0x50/0x70
[<df820038>] ac97_bus_suspend+0x28/0x30 [snd_ac97_bus]
[sys_init_module+301/6080] sys_init_module+0x12d/0x17c0
[<c013948d>] sys_init_module+0x12d/0x17c0
[sysenter_past_esp+86/141] sysenter_past_esp+0x56/0x8d
[<c0103009>] sysenter_past_esp+0x56/0x8d
... acquired at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock_irqsave+57/80] _spin_lock_irqsave+0x39/0x50
[<c02af2a9>] _spin_lock_irqsave+0x39/0x50
[<dfc9fcc8>] kick_khubd+0x18/0x70 [usbcore]
[<dfc9fd3e>] usb_resume_root_hub+0x1e/0x20 [usbcore]
[<dfca3a9c>] usb_hcd_resume_root_hub+0x2c/0x50 [usbcore]
[<df86d838>] ohci_irq+0x128/0x1d0 [ohci_hcd]
[<dfca3c17>] usb_hcd_irq+0x27/0x60 [usbcore]
[handle_IRQ_event+51/112] handle_IRQ_event+0x33/0x70
[<c0146d43>] handle_IRQ_event+0x33/0x70
[__do_IRQ+137/272] __do_IRQ+0x89/0x110
[<c0146e09>] __do_IRQ+0x89/0x110
[do_IRQ+72/160] do_IRQ+0x48/0xa0
[<c01054b8>] do_IRQ+0x48/0xa0
[common_interrupt+37/44] common_interrupt+0x25/0x2c
[<c0103a75>] common_interrupt+0x25/0x2c
[<df86c474>] ohci_bus_suspend+0x104/0x1d0 [ohci_hcd]
[<df86db22>] ohci_hub_status_data+0x242/0x260 [ohci_hcd]
[<dfca31fd>] usb_hcd_poll_rh_status+0x3d/0x1a0 [usbcore]
[<dfca3368>] rh_timer_func+0x8/0x10 [usbcore]
[run_timer_softirq+345/384] run_timer_softirq+0x159/0x180
[<c0122359>] run_timer_softirq+0x159/0x180
[__do_softirq+85/192] __do_softirq+0x55/0xc0
[<c011e785>] __do_softirq+0x55/0xc0
[do_softirq+70/80] do_softirq+0x46/0x50
[<c011e836>] do_softirq+0x46/0x50
[irq_exit+53/64] irq_exit+0x35/0x40
[<c011ec65>] irq_exit+0x35/0x40
[do_IRQ+77/160] do_IRQ+0x4d/0xa0
[<c01054bd>] do_IRQ+0x4d/0xa0
[common_interrupt+37/44] common_interrupt+0x25/0x2c
[<c0103a75>] common_interrupt+0x25/0x2c
[up_read+22/37] up_read+0x16/0x25
[<c0130266>] up_read+0x16/0x25
[do_page_fault+1213/1536] do_page_fault+0x4bd/0x600
[<c02b057d>] do_page_fault+0x4bd/0x600
[error_code+57/64] error_code+0x39/0x40
[<c0103b4d>] error_code+0x39/0x40
... acquired at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock+44/64] _spin_lock+0x2c/0x40
[<c02aedec>] _spin_lock+0x2c/0x40
[<dfca3ad1>] usb_hcd_suspend_root_hub+0x11/0x90 [usbcore]
[<df86c46a>] ohci_bus_suspend+0xfa/0x1d0 [ohci_hcd]
[<df86db22>] ohci_hub_status_data+0x242/0x260 [ohci_hcd]
[<dfca31fd>] usb_hcd_poll_rh_status+0x3d/0x1a0 [usbcore]
[<dfca3368>] rh_timer_func+0x8/0x10 [usbcore]
[run_timer_softirq+345/384] run_timer_softirq+0x159/0x180
[<c0122359>] run_timer_softirq+0x159/0x180
[__do_softirq+85/192] __do_softirq+0x55/0xc0
[<c011e785>] __do_softirq+0x55/0xc0
[do_softirq+70/80] do_softirq+0x46/0x50
[<c011e836>] do_softirq+0x46/0x50
[irq_exit+53/64] irq_exit+0x35/0x40
[<c011ec65>] irq_exit+0x35/0x40
[do_IRQ+77/160] do_IRQ+0x4d/0xa0
[<c01054bd>] do_IRQ+0x4d/0xa0
[common_interrupt+37/44] common_interrupt+0x25/0x2c
[<c0103a75>] common_interrupt+0x25/0x2c
[up_read+22/37] up_read+0x16/0x25
[<c0130266>] up_read+0x16/0x25
[do_page_fault+1213/1536] do_page_fault+0x4bd/0x600
[<c02b057d>] do_page_fault+0x4bd/0x600
[error_code+57/64] error_code+0x39/0x40
[<c0103b4d>] error_code+0x39/0x40
-> (hcd_data_lock){-+..} ops: 0 {
initial-use at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock_irqsave+57/80]
_spin_lock_irqsave+0x39/0x50
[<c02af2a9>] _spin_lock_irqsave+0x39/0x50
[<dfca3ea6>] hcd_submit_urb+0x36/0x950 [usbcore]
[<dfca4acc>] usb_submit_urb+0x19c/0x200 [usbcore]
[<dfca537e>] usb_start_wait_urb+0x3e/0xf0 [usbcore]
[<dfca565b>] usb_control_msg+0xcb/0xf0 [usbcore]
[<dfca5fe8>] usb_get_descriptor+0x88/0xc0 [usbcore]
[<dfca62e3>] usb_get_device_descriptor+0x63/0x90
[usbcore]
[<dfca37ca>] usb_add_hcd+0x2fa/0x5a0 [usbcore]
[<dfcaca6f>] usb_hcd_pci_probe+0x19f/0x2b0 [usbcore]
[pci_device_probe+94/128] pci_device_probe+0x5e/0x80
[<c01ca83e>] pci_device_probe+0x5e/0x80
[driver_probe_device+68/192]
driver_probe_device+0x44/0xc0
[<c021f974>] driver_probe_device+0x44/0xc0
[__driver_attach+165/176] __driver_attach+0xa5/0xb0
[<c021fb25>] __driver_attach+0xa5/0xb0
[bus_for_each_dev+73/112] bus_for_each_dev+0x49/0x70
[<c021f2d9>] bus_for_each_dev+0x49/0x70
[driver_attach+25/32] driver_attach+0x19/0x20
[<c021f8b9>] driver_attach+0x19/0x20
[bus_add_driver+113/320] bus_add_driver+0x71/0x140
[<c021eef1>] bus_add_driver+0x71/0x140
[driver_register+93/144] driver_register+0x5d/0x90
[<c021fdbd>] driver_register+0x5d/0x90
[__pci_register_driver+80/112]
__pci_register_driver+0x50/0x70
[<c01ca9f0>] __pci_register_driver+0x50/0x70
[<df820038>] ac97_bus_suspend+0x28/0x30
[snd_ac97_bus]
[sys_init_module+301/6080]
sys_init_module+0x12d/0x17c0
[<c013948d>] sys_init_module+0x12d/0x17c0
[sysenter_past_esp+86/141]
sysenter_past_esp+0x56/0x8d
[<c0103009>] sysenter_past_esp+0x56/0x8d
in-softirq-W at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock_irqsave+57/80]
_spin_lock_irqsave+0x39/0x50
[<c02af2a9>] _spin_lock_irqsave+0x39/0x50
[<dfca2e9f>] urb_unlink+0x2f/0x60 [usbcore]
[<dfca2ee7>] usb_hcd_giveback_urb+0x17/0x60
[usbcore]
[<dfca3b2f>] usb_hcd_suspend_root_hub+0x6f/0x90
[usbcore]
[<df86c46a>] ohci_bus_suspend+0xfa/0x1d0 [ohci_hcd]
[<df86db22>] ohci_hub_status_data+0x242/0x260
[ohci_hcd]
[<dfca31fd>] usb_hcd_poll_rh_status+0x3d/0x1a0
[usbcore]
[<dfca3368>] rh_timer_func+0x8/0x10 [usbcore]
[run_timer_softirq+345/384]
run_timer_softirq+0x159/0x180
[<c0122359>] run_timer_softirq+0x159/0x180
[__do_softirq+85/192] __do_softirq+0x55/0xc0
[<c011e785>] __do_softirq+0x55/0xc0
[do_softirq+70/80] do_softirq+0x46/0x50
[<c011e836>] do_softirq+0x46/0x50
[irq_exit+53/64] irq_exit+0x35/0x40
[<c011ec65>] irq_exit+0x35/0x40
[do_IRQ+77/160] do_IRQ+0x4d/0xa0
[<c01054bd>] do_IRQ+0x4d/0xa0
[common_interrupt+37/44] common_interrupt+0x25/0x2c
[<c0103a75>] common_interrupt+0x25/0x2c
[up_read+22/37] up_read+0x16/0x25
[<c0130266>] up_read+0x16/0x25
[do_page_fault+1213/1536] do_page_fault+0x4bd/0x600
[<c02b057d>] do_page_fault+0x4bd/0x600
[error_code+57/64] error_code+0x39/0x40
[<c0103b4d>] error_code+0x39/0x40
hardirq-on-W at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock+44/64] _spin_lock+0x2c/0x40
[<c02aedec>] _spin_lock+0x2c/0x40
[<dfca30bf>] hcd_endpoint_disable+0x3f/0x140
[usbcore]
[<dfca4c4d>] usb_disable_endpoint+0x3d/0x60
[usbcore]
[<dfca4dc7>] usb_disable_device+0x37/0x100 [usbcore]
[<dfca0f74>] usb_disconnect+0xa4/0x100 [usbcore]
[<dfca2d6b>] usb_remove_hcd+0x7b/0xd0 [usbcore]
[<dfcac870>] usb_hcd_pci_remove+0x20/0x80 [usbcore]
[pci_device_remove+25/48]
pci_device_remove+0x19/0x30
[<c01ca6a9>] pci_device_remove+0x19/0x30
[__device_release_driver+100/144]
__device_release_driver+0x64/0x90
[<c021f874>] __device_release_driver+0x64/0x90
[driver_detach+227/229] driver_detach+0xe3/0xe5
[<c021fc53>] driver_detach+0xe3/0xe5
[bus_remove_driver+108/144]
bus_remove_driver+0x6c/0x90
[<c021ee1c>] bus_remove_driver+0x6c/0x90
[driver_unregister+11/32] driver_unregister+0xb/0x20
[<c021fd4b>] driver_unregister+0xb/0x20
[pci_unregister_driver+19/128]
pci_unregister_driver+0x13/0x80
[<c01ca873>] pci_unregister_driver+0x13/0x80
[<df86dfed>] ohci_hcd_pci_cleanup+0xd/0x15
[ohci_hcd]
[sys_delete_module+325/432]
sys_delete_module+0x145/0x1b0
[<c0138c35>] sys_delete_module+0x145/0x1b0
[sysenter_past_esp+86/141]
sysenter_past_esp+0x56/0x8d
[<c0103009>] sysenter_past_esp+0x56/0x8d
}
... key at: [<dfcbeb9c>] hcd_data_lock+0x1c/0xfffef9e9 [usbcore]
... acquired at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock_irqsave+57/80] _spin_lock_irqsave+0x39/0x50
[<c02af2a9>] _spin_lock_irqsave+0x39/0x50
[<dfca2e9f>] urb_unlink+0x2f/0x60 [usbcore]
[<dfca2ee7>] usb_hcd_giveback_urb+0x17/0x60 [usbcore]
[<dfca3b2f>] usb_hcd_suspend_root_hub+0x6f/0x90 [usbcore]
[<df86c46a>] ohci_bus_suspend+0xfa/0x1d0 [ohci_hcd]
[<df86db22>] ohci_hub_status_data+0x242/0x260 [ohci_hcd]
[<dfca31fd>] usb_hcd_poll_rh_status+0x3d/0x1a0 [usbcore]
[<dfca3368>] rh_timer_func+0x8/0x10 [usbcore]
[run_timer_softirq+345/384] run_timer_softirq+0x159/0x180
[<c0122359>] run_timer_softirq+0x159/0x180
[__do_softirq+85/192] __do_softirq+0x55/0xc0
[<c011e785>] __do_softirq+0x55/0xc0
[do_softirq+70/80] do_softirq+0x46/0x50
[<c011e836>] do_softirq+0x46/0x50
[irq_exit+53/64] irq_exit+0x35/0x40
[<c011ec65>] irq_exit+0x35/0x40
[do_IRQ+77/160] do_IRQ+0x4d/0xa0
[<c01054bd>] do_IRQ+0x4d/0xa0
[common_interrupt+37/44] common_interrupt+0x25/0x2c
[<c0103a75>] common_interrupt+0x25/0x2c
[up_read+22/37] up_read+0x16/0x25
[<c0130266>] up_read+0x16/0x25
[do_page_fault+1213/1536] do_page_fault+0x4bd/0x600
[<c02b057d>] do_page_fault+0x4bd/0x600
[error_code+57/64] error_code+0x39/0x40
[<c0103b4d>] error_code+0x39/0x40
-> (device_state_lock){....} ops: 0 {
initial-use at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock_irqsave+57/80]
_spin_lock_irqsave+0x39/0x50
[<c02af2a9>] _spin_lock_irqsave+0x39/0x50
[<dfc9f2af>] usb_set_device_state+0x1f/0xc0
[usbcore]
[<dfca37ae>] usb_add_hcd+0x2de/0x5a0 [usbcore]
[<dfcaca6f>] usb_hcd_pci_probe+0x19f/0x2b0 [usbcore]
[pci_device_probe+94/128] pci_device_probe+0x5e/0x80
[<c01ca83e>] pci_device_probe+0x5e/0x80
[driver_probe_device+68/192]
driver_probe_device+0x44/0xc0
[<c021f974>] driver_probe_device+0x44/0xc0
[__driver_attach+165/176] __driver_attach+0xa5/0xb0
[<c021fb25>] __driver_attach+0xa5/0xb0
[bus_for_each_dev+73/112] bus_for_each_dev+0x49/0x70
[<c021f2d9>] bus_for_each_dev+0x49/0x70
[driver_attach+25/32] driver_attach+0x19/0x20
[<c021f8b9>] driver_attach+0x19/0x20
[bus_add_driver+113/320] bus_add_driver+0x71/0x140
[<c021eef1>] bus_add_driver+0x71/0x140
[driver_register+93/144] driver_register+0x5d/0x90
[<c021fdbd>] driver_register+0x5d/0x90
[__pci_register_driver+80/112]
__pci_register_driver+0x50/0x70
[<c01ca9f0>] __pci_register_driver+0x50/0x70
[<df820038>] ac97_bus_suspend+0x28/0x30
[snd_ac97_bus]
[sys_init_module+301/6080]
sys_init_module+0x12d/0x17c0
[<c013948d>] sys_init_module+0x12d/0x17c0
[sysenter_past_esp+86/141]
sysenter_past_esp+0x56/0x8d
[<c0103009>] sysenter_past_esp+0x56/0x8d
}
... key at: [<dfcbe9dc>] device_state_lock+0x1c/0xfffefba9 [usbcore]
... acquired at:
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock_irqsave+57/80] _spin_lock_irqsave+0x39/0x50
[<c02af2a9>] _spin_lock_irqsave+0x39/0x50
[<dfca2637>] usb_root_hub_lost_power+0x37/0xa0 [usbcore]
[<df86dbe6>] ohci_bus_resume+0xa6/0x478 [ohci_hcd]
[<dfca349c>] hcd_bus_resume+0x3c/0x70 [usbcore]
[<dfca0a1d>] hub_resume+0x13d/0x150 [usbcore]
[<dfc9e224>] usb_generic_resume+0x64/0x110 [usbcore]
[<dfca077c>] finish_device_resume+0xac/0x140 [usbcore]
[<dfca2765>] usb_resume_device+0x85/0x90 [usbcore]
[<dfc9e294>] usb_generic_resume+0xd4/0x110 [usbcore]
[resume_device+102/208] resume_device+0x66/0xd0
[<c0223756>] resume_device+0x66/0xd0
[dpm_resume+183/208] dpm_resume+0xb7/0xd0
[<c02238f7>] dpm_resume+0xb7/0xd0
[device_resume+36/46] device_resume+0x24/0x2e
[<c0223934>] device_resume+0x24/0x2e
[pm_suspend_disk+165/256] pm_suspend_disk+0xa5/0x100
[<c013d815>] pm_suspend_disk+0xa5/0x100
[enter_state+316/368] enter_state+0x13c/0x170
[<c013c74c>] enter_state+0x13c/0x170
[state_store+166/176] state_store+0xa6/0xb0
[<c013c826>] state_store+0xa6/0xb0
[subsys_attr_store+43/64] subsys_attr_store+0x2b/0x40
[<c01a051b>] subsys_attr_store+0x2b/0x40
[sysfs_write_file+163/256] sysfs_write_file+0xa3/0x100
[<c01a0823>] sysfs_write_file+0xa3/0x100
[vfs_write+153/352] vfs_write+0x99/0x160
[<c0167299>] vfs_write+0x99/0x160
[sys_write+61/112] sys_write+0x3d/0x70
[<c01678cd>] sys_write+0x3d/0x70
[sysenter_past_esp+86/141] sysenter_past_esp+0x56/0x8d
[<c0103009>] sysenter_past_esp+0x56/0x8d
stack backtrace:
[show_trace_log_lvl+389/416] show_trace_log_lvl+0x185/0x1a0
[<c0104195>] show_trace_log_lvl+0x185/0x1a0
[show_trace+18/32] show_trace+0x12/0x20
[<c01047a2>] show_trace+0x12/0x20
[dump_stack+25/32] dump_stack+0x19/0x20
[<c0104879>] dump_stack+0x19/0x20
[print_irq_inversion_bug+263/304] print_irq_inversion_bug+0x107/0x130
[<c0131c37>] print_irq_inversion_bug+0x107/0x130
[check_usage_backwards+66/80] check_usage_backwards+0x42/0x50
[<c0131d92>] check_usage_backwards+0x42/0x50
[mark_lock+399/1472] mark_lock+0x18f/0x5c0
[<c013201f>] mark_lock+0x18f/0x5c0
[__lock_acquire+262/3328] __lock_acquire+0x106/0xd00
[<c0132d96>] __lock_acquire+0x106/0xd00
[lock_acquire+93/128] lock_acquire+0x5d/0x80
[<c0133ccd>] lock_acquire+0x5d/0x80
[_spin_lock+44/64] _spin_lock+0x2c/0x40
[<c02aedec>] _spin_lock+0x2c/0x40
[<dfca30bf>] hcd_endpoint_disable+0x3f/0x140 [usbcore]
[<dfca4c4d>] usb_disable_endpoint+0x3d/0x60 [usbcore]
[<dfca4dc7>] usb_disable_device+0x37/0x100 [usbcore]
[<dfca0f74>] usb_disconnect+0xa4/0x100 [usbcore]
[<dfca2d6b>] usb_remove_hcd+0x7b/0xd0 [usbcore]
[<dfcac870>] usb_hcd_pci_remove+0x20/0x80 [usbcore]
[pci_device_remove+25/48] pci_device_remove+0x19/0x30
[<c01ca6a9>] pci_device_remove+0x19/0x30
[__device_release_driver+100/144] __device_release_driver+0x64/0x90
[<c021f874>] __device_release_driver+0x64/0x90
[driver_detach+227/229] driver_detach+0xe3/0xe5
[<c021fc53>] driver_detach+0xe3/0xe5
[bus_remove_driver+108/144] bus_remove_driver+0x6c/0x90
[<c021ee1c>] bus_remove_driver+0x6c/0x90
[driver_unregister+11/32] driver_unregister+0xb/0x20
[<c021fd4b>] driver_unregister+0xb/0x20
[pci_unregister_driver+19/128] pci_unregister_driver+0x13/0x80
[<c01ca873>] pci_unregister_driver+0x13/0x80
[<df86dfed>] ohci_hcd_pci_cleanup+0xd/0x15 [ohci_hcd]
[sys_delete_module+325/432] sys_delete_module+0x145/0x1b0
[<c0138c35>] sys_delete_module+0x145/0x1b0
[sysenter_past_esp+86/141] sysenter_past_esp+0x56/0x8d
[<c0103009>] sysenter_past_esp+0x56/0x8d
[phys_startup_32+-1209408496/-1073741824] 0xb7f9e410
[<b7f9e410>] 0xb7f9e410
ohci_hcd 0000:00:02.0: USB bus 1 deregistered
ACPI: PCI interrupt for device 0000:00:02.0 disabled
bor : TTY=pts/1 ; PWD=/tmp ; USER=root ; COMMAND=/sbin/rmmod usbcore
usbcore: deregistering driver usbfs
usbcore: deregistering driver hub
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