Comment 759 for bug 993187

After the below example, it's dead. It always concerns IRQ's.

 name [ 1377.796013] NVRM: GPU at 0000:01:00.0 has fallen off the bus.
 name [ 1377.796088] NVRM: GPU at 0000:01:00.0 has fallen off the bus.
 name [ 1377.796013] NVRM: os_pci_init_handle: invalid context!
 name last message repeated 4 times
 name [ 1380.200095] irq 16: nobody cared (try booting with the "irqpo
ll" option)
 name [ 1380.200102] Pid: 3019, comm: mplayer Tainted: P O 3
.2.0-35-generic #55-Ubuntu
 name [ 1380.200105] Call Trace:
 name [ 1380.200113] [<c1560f2c>] ? printk+0x2d/0x2f
 name [ 1380.200119] [<c10b1259>] __report_bad_irq+0x29/0xd0
 name [ 1380.200123] [<c10b14b4>] note_interrupt+0x104/0x150
 name [ 1380.200127] [<c10af38f>] handle_irq_event_percpu+0x9f/0x1f0
 name [ 1380.200132] [<c1027518>] ? default_spin_lock_flags+0x8/0x10
 name [ 1380.200136] [<c157614d>] ? _raw_spin_lock_irqsave+0x2d/0x40
 name [ 1380.200140] [<c1027518>] ? default_spin_lock_flags+0x8/0x10
 name [ 1380.200144] [<c101e56d>] ? __io_apic_modify_irq+0x7d/0x90
 name [ 1380.200148] [<c10af51b>] handle_irq_event+0x3b/0x60
 name [ 1380.200152] [<c10b1cc0>] ? unmask_irq+0x30/0x30
 name [ 1380.200156] [<c10b1d0e>] handle_fasteoi_irq+0x4e/0xd0
 name [ 1380.200158] <IRQ> [<c157d832>] ? do_IRQ+0x42/0xc0
 name [ 1380.200165] [<c157d770>] ? common_interrupt+0x30/0x38
 name [ 1380.200169] [<c1570000>] ? add_i2c_device+0x126/0x166
 name [ 1380.200172] handlers:
 name [ 1380.200281] [<f9833050>] nv_kern_isr
 name [ 1380.200284] Disabling IRQ #16