===========
2.6.34-zen1 - lid open, power and all that still on, but screen off, laptop not been touched for hours. Using madwifi drivers
===========

[115267.524034] wifi0: ath_chan_set: Unable to reset channel 10 (2457 MHz) flags 0xc0 'Hardware didn't respond as expected' (HAL status 3)                                                      
[115267.970708] wifi0: ath_chan_set: Unable to reset channel 1 (2412 MHz) flags 0xc0 'Hardware didn't respond as expected' (HAL status 3)                                                       
[115282.523976] wifi0: ath_chan_set: Unable to reset channel 6 (2437 MHz) flags 0xc0 'Hardware didn't respond as expected' (HAL status 3)                                                       
<<blah blah blah loads of this>>>
[115762.524059] wifi0: ath_chan_set: Unable to reset channel 2 (2417 MHz) flags 0xc0 'Hardware didn't respond as expected' (HAL status 3)
[115762.959998] wifi0: ath_chan_set: Unable to reset channel 1 (2412 MHz) flags 0xc0 'Hardware didn't respond as expected' (HAL status 3)
[150750.458215] ath_pci 0000:04:00.0: PCI INT A disabled
[150783.567373] ath_pci 0000:04:00.0: Refused to change power state, currently in D3
[150783.567384] ath_pci 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[150783.582356] MadWifi: unable to attach hardware: 'Hardware didn't respond as expected' (HAL status 3)
[150783.582428] ath_pci 0000:04:00.0: PCI INT A disabled
[150844.659127] ath_pci 0000:04:00.0: Refused to change power state, currently in D3
[150844.659423] ath_pci 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[150844.674179] MadWifi: unable to attach hardware: 'Hardware didn't respond as expected' (HAL status 3)
[150844.674258] ath_pci 0000:04:00.0: PCI INT A disabled
[150892.328055] ath_pci 0000:04:00.0: Refused to change power state, currently in D3
[150892.328069] ath_pci 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[150892.342601] MadWifi: unable to attach hardware: 'Hardware didn't respond as expected' (HAL status 3)
[150892.342675] ath_pci 0000:04:00.0: PCI INT A disabled
[150912.233058] ath_pci 0000:04:00.0: Refused to change power state, currently in D3
[150912.233070] ath_pci 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[150912.246639] MadWifi: unable to attach hardware: 'Hardware didn't respond as expected' (HAL status 3)
[150912.246696] ath_pci 0000:04:00.0: PCI INT A disabled

===================
2.6.33-zen2 - not idle, just happened at random. This using standard ath9k driver
===================

[442281.806382] irq 17: nobody cared (try booting with the "irqpoll" option)
[442281.806388] Pid: 0, comm: swapper Not tainted 2.6.33-zen2 #1
[442281.806390] Call Trace:
[442281.806392]  <IRQ>  [<ffffffff81085116>] __report_bad_irq+0x26/0xa0
[442281.806405]  [<ffffffff8108531c>] note_interrupt+0x18c/0x1d0
[442281.806409]  [<ffffffff81085bcd>] handle_fasteoi_irq+0xcd/0xf0
[442281.806413]  [<ffffffff81004bd4>] handle_irq+0x44/0x90
[442281.806416]  [<ffffffff810041c7>] do_IRQ+0x67/0xf0
[442281.806422]  [<ffffffff815a9c13>] ret_from_intr+0x0/0xa
[442281.806423]  <EOI>  [<ffffffff814c7482>] ? poll_idle+0x32/0x70
[442281.806430]  [<ffffffff814c745e>] ? poll_idle+0xe/0x70
[442281.806434]  [<ffffffff814c87d5>] ? menu_select+0x105/0x2b0
[442281.806437]  [<ffffffff814c783b>] cpuidle_idle_call+0x9b/0x100
[442281.806442]  [<ffffffff810015b5>] cpu_idle+0x65/0xc0
[442281.806446]  [<ffffffff81597531>] rest_init+0x91/0xa0
[442281.806453]  [<ffffffff81874c11>] start_kernel+0x2e5/0x2f1
[442281.806456]  [<ffffffff818742e6>] x86_64_start_reservations+0xf6/0xfa
[442281.806459]  [<ffffffff818743ce>] x86_64_start_kernel+0xe4/0xeb
[442281.806461] handlers:
[442281.806463] [<ffffffffa00c6240>] (ath_isr+0x0/0x190 [ath9k])
[442281.806474] Disabling IRQ #17