irq 185: nobody cared (try booting with the "irqpoll" option)
 [<c0403f28>] dump_trace+0x69/0x1af
 [<c0404086>] show_trace_log_lvl+0x18/0x2c
 [<c0404601>] show_trace+0xf/0x11
 [<c040468b>] dump_stack+0x15/0x17
 [<c043ffc6>] __report_bad_irq+0x36/0x7d
 [<c04401af>] note_interrupt+0x1a2/0x1df
 [<c043f86a>] __do_IRQ+0xa6/0xde
 [<c0405385>] do_IRQ+0x9a/0xb8
 =======================
handlers:
[<d0ac4f80>] (radeon_driver_irq_handler+0x0/0x8a [radeon])
Disabling IRQ #185