Comment 2 for bug 70771

Confirming. Happening here quite often. ATI RS482 chipset motherboard, Athlon 64 3000+, running 64-bit Ubuntu. Latest one:
[ 786.895931] APIC error on CPU0: 04(40)
[ 787.087990] irq 225: nobody cared (try booting with the "irqpoll" option)
[ 787.087994]
[ 787.087995] Call Trace: <IRQ> <ffffffff80265d08>{ret_from_intr+0}
[ 787.088003] <ffffffff802b68a5>{__report_bad_irq+53} <ffffffff802b6b20>{note_interrupt+544}
[ 787.088029] <ffffffff802b6190>{__do_IRQ+224} <ffffffff802737e2>{do_IRQ+66}
[ 787.088040] <ffffffff80271f00>{default_idle+0} <ffffffff80265d08>{ret_from_intr+0} <EOI>
[ 787.088050] <ffffffff80269d9f>{thread_return+0} <ffffffff80232690>{unix_poll+0}
[ 787.088058] <ffffffff80263750>{generic_unplug_device+0} <ffffffff80271f29>{default_idle+41}
[ 787.088073] <ffffffff8024ecfe>{cpu_idle+158} <ffffffff8060885b>{start_kernel+523}
[ 787.088085] <ffffffff80608293>{_sinittext+659}
[ 787.088091] handlers:
[ 787.088094] [<ffffffff8814f0c0>] (ohci_irq_handler+0x0/0x7ff [ohci1394])
[ 787.088103] Disabling IRQ #225