"Rafael J. Wysocki" <[email protected]> wrote:
>
> I get this on the system startup (Asus L5D, x86-64, 1 CPU):
>
> ACPI: PCI Interrupt Link [LUS1] enabled at IRQ 11
> ACPI: PCI Interrupt 0000:00:02.1[B] -> Link [LUS1] -> GSI 11 (level, low) -> IRQ 11
> ohci_hcd 0000:00:02.1: OHCI Host Controller
> ohci_hcd 0000:00:02.1: new USB bus registered, assigned bus number 2
> ohci_hcd 0000:00:02.1: irq 11, io mem 0xfebfc000
> usb usb2: Product: OHCI Host Controller
> usb usb2: Manufacturer: Linux 2.6.15-mm4 ohci_hcd
> Badness in __mutex_trylock_slowpath at kernel/mutex.c:281
>
> Call Trace: <IRQ> <ffffffff80148d8d>{mutex_trylock+141}
> <ffffffff880abaf0>{:ohci_hcd:ohci_hub_status_data+480}
> <ffffffff802d25d0>{rh_timer_func+0} <ffffffff802d24c3>{usb_hcd_poll_rh_status+67}
> <ffffffff802d25d0>{rh_timer_func+0} <ffffffff802d25d9>{rh_timer_func+9}
> <ffffffff8013a3cc>{run_timer_softirq+396} <ffffffff801361c0>{__do_softirq+80}
> <ffffffff8010fd12>{call_softirq+30} <ffffffff80111715>{do_softirq+53}
> <ffffffff8013625f>{irq_exit+63} <ffffffff80111761>{do_IRQ+65}
> <ffffffff8010f266>{ret_from_intr+0} <EOI> <ffffffff80130c1d>{release_console_sem+333}
> <ffffffff801313f7>{vprintk+775} <ffffffff801314f2>{printk+162}
> <ffffffff801314f2>{printk+162} <ffffffff802d5b0b>{usb_cache_string+139}
> <ffffffff802cd170>{show_string+64} <ffffffff802ceec5>{usb_new_device+261}
> <ffffffff802d3769>{usb_add_hcd+1433} <ffffffff802dce83>{usb_hcd_pci_probe+691}
> <ffffffff8025a26a>{pci_device_probe+106} <ffffffff802b556c>{driver_probe_device+108}
> <ffffffff802b5636>{__driver_attach+86} <ffffffff802b55e0>{__driver_attach+0}
> <ffffffff802b4eef>{bus_for_each_dev+79} <ffffffff802b53fc>{driver_attach+28}
> <ffffffff802b48e8>{bus_add_driver+136} <ffffffff802b57af>{driver_register+207}
> <ffffffff8025a521>{__pci_register_driver+177} <ffffffff88012059>{:ohci_hcd:ohci_hcd_pci_init+89}
> <ffffffff8014f7af>{sys_init_module+239} <ffffffff8010ec9e>{system_call+126}
err, taking a mutex from softirq context.
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