Comment 0 for bug 877588

[ 2716.824029] irq 16: nobody cared (try booting with the "irqpoll" option)
[ 2716.824036] Pid: 3262, comm: gnome-shell Tainted: G C 3.0.0-12-generic-pae #20-Ubuntu
[ 2716.824039] Call Trace:
[ 2716.824047] [<c15414ca>] ? printk+0x2d/0x2f
[ 2716.824054] [<c10b3c99>] __report_bad_irq+0x29/0xd0
[ 2716.824059] [<c102da88>] ? default_spin_lock_flags+0x8/0x10
[ 2716.824063] [<c10b4064>] note_interrupt+0x104/0x150
[ 2716.824086] [<f87bc9cf>] ? ahc_linux_isr+0x3f/0x60 [aic7xxx]
[ 2716.824091] [<c10b258e>] handle_irq_event_percpu+0x9e/0x200
[ 2716.824095] [<c102da88>] ? default_spin_lock_flags+0x8/0x10
[ 2716.824101] [<c1024b8d>] ? __io_apic_modify_irq+0x7d/0x90
[ 2716.824105] [<c10b272b>] handle_irq_event+0x3b/0x60
[ 2716.824110] [<c10b47a0>] ? unmask_irq+0x30/0x30
[ 2716.824114] [<c10b47ee>] handle_fasteoi_irq+0x4e/0xc0
[ 2716.824117] <IRQ> [<c155cd52>] ? do_IRQ+0x42/0xc0
[ 2716.824124] [<c114348b>] ? sys_ioctl+0x4b/0x80
[ 2716.824128] [<c155cbb0>] ? common_interrupt+0x30/0x38
[ 2716.824133] [<c1550000>] ? md_notify_reboot.part.50+0x21/0xac
[ 2716.824135] handlers:
[ 2716.824140] [<c13bbe30>] ata_bmdma_interrupt
[ 2716.824148] [<f87bc990>] ahc_linux_isr
[ 2716.824150] Disabling IRQ #16

irqpoll is already in the command line. System is a Sandy Bridge (H67) chipset Motherboard is ASUS P8H67V. Kernel is 3.0.0-12-generic-pae #20-Ubuntu SMP Fri Oct 7 16:37:17 UTC 2011 i686 i686 i386 GNU/Linux

cat /etc/lsb-release:

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.10
DISTRIB_CODENAME=oneiric
DISTRIB_DESCRIPTION="Ubuntu 11.10"