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Date: Mon, 22 Dec 2008 12:58:19 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Soeren Sonnenburg <kernel@nn7.de>
Cc: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org
Subject: Re: ath5k_pci: gain calibration timeout / unable to reset hardware
 -11
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(cc linux-wireless)

On Mon, 22 Dec 2008 06:31:53 +0100
Soeren Sonnenburg <kernel@nn7.de> wrote:

> Hi,
> 
> I was using the ath5k_pci driver on a macbook pro 1,1 and it is working
> for some time but then suddenly messages like the ones below appear and
> I have to *turn off* the machine to get it back working (even booting to
> osx is not sufficient - osx won't have network when things go wrong as
> they do after a couple of hours). Note that this happens with both
> 2.6.27 and .28.
> 
> Soeren
> 
> 
> (things were working at first and then not and then the symptom occured)
> 
> $ dmesg | grep ath5k 
> 
> ath5k_pci 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> ath5k_pci 0000:03:00.0: setting latency timer to 64
> ath5k_pci 0000:03:00.0: registered as 'phy0'
> ath5k phy0: Atheros AR5424 chip found (MAC: 0xa3, PHY: 0x61)
> ath5k_pci 0000:03:00.0: PCI INT A disabled
> ath5k_pci 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> ath5k_pci 0000:03:00.0: setting latency timer to 64
> ath5k_pci 0000:03:00.0: registered as 'phy0'
> ath5k phy0: Atheros AR5424 chip found (MAC: 0xa3, PHY: 0x61)
> ath5k_pci 0000:03:00.0: PCI INT A disabled
> ath5k_pci 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> ath5k_pci 0000:03:00.0: setting latency timer to 64
> ath5k_pci 0000:03:00.0: registered as 'phy0'
> ath5k phy0: Atheros AR5424 chip found (MAC: 0xa3, PHY: 0x61)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: can't reset hardware (-11)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (2437MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2437 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5265MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5265 Mhz)
> ath5k phy0: gain calibration timeout (5270MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5270 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5755 Mhz)
> ath5k phy0: gain calibration timeout (5760MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5760 Mhz)
> ath5k phy0: gain calibration timeout (5765MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5765 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: can't reset hardware (-11)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (2437MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2437 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5265MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5265 Mhz)
> ath5k phy0: gain calibration timeout (5270MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5270 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5755 Mhz)
> ath5k phy0: gain calibration timeout (5760MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5760 Mhz)
> ath5k phy0: gain calibration timeout (5765MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5765 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration failed (2412MHz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (5245MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5245 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5265MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5265 Mhz)
> ath5k phy0: gain calibration timeout (5320MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5320 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: noise floor calibration failed (5745MHz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5755 Mhz)
> ath5k phy0: gain calibration timeout (5760MHz)
> ath5k phy0: gain calibration timeout (5815MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5815 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (2437MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2437 Mhz)
> ath5k_pci 0000:03:00.0: PCI INT A disabled
> ath5k_pci 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> ath5k_pci 0000:03:00.0: setting latency timer to 64
> ath5k_pci 0000:03:00.0: registered as 'phy0'
> ath5k phy0: Atheros AR5424 chip found (MAC: 0xa3, PHY: 0x61)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: can't reset hardware (-11)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (2437MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2437 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5265MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5265 Mhz)
> ath5k phy0: gain calibration timeout (5270MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5270 Mhz)
> ath5k phy0: gain calibration timeout (5320MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5320 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5755 Mhz)
> ath5k phy0: gain calibration timeout (5760MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5760 Mhz)
> ath5k phy0: gain calibration timeout (5815MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5815 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (2437MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2437 Mhz)
> ath5k phy0: gain calibration timeout (5245MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5245 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5265MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5265 Mhz)
> ath5k phy0: gain calibration timeout (5320MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5320 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5755 Mhz)
> ath5k phy0: gain calibration timeout (5760MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5760 Mhz)
> ath5k phy0: noise floor calibration timeout (5815MHz)
> ath5k phy0: gain calibration timeout (5815MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5815 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (2437MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2437 Mhz)
> ath5k phy0: gain calibration timeout (5245MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5245 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5265MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5265 Mhz)
> ath5k phy0: gain calibration timeout (5320MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5320 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5755 Mhz)
> ath5k phy0: gain calibration timeout (5760MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5760 Mhz)
> ath5k phy0: noise floor calibration timeout (5815MHz)
> ath5k phy0: gain calibration timeout (5815MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5815 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: can't reset hardware (-11)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (5240MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5240 Mhz)
> ath5k phy0: gain calibration timeout (5245MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5245 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5315MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5315 Mhz)
> ath5k phy0: noise floor calibration timeout (5320MHz)
> ath5k phy0: gain calibration timeout (5320MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5320 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: gain calibration timeout (5805MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5805 Mhz)
> ath5k phy0: gain calibration timeout (5810MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5810 Mhz)
> ath5k phy0: gain calibration timeout (5815MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5815 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: gain calibration timeout (2417MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2417 Mhz)
> ath5k phy0: gain calibration timeout (2422MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2422 Mhz)
> ath5k phy0: gain calibration timeout (2427MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2427 Mhz)
> ath5k phy0: gain calibration timeout (2432MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2432 Mhz)
> ath5k phy0: gain calibration timeout (2437MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2437 Mhz)
> ath5k phy0: gain calibration timeout (5245MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5245 Mhz)
> ath5k phy0: gain calibration timeout (5250MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5250 Mhz)
> ath5k phy0: gain calibration timeout (5255MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5255 Mhz)
> ath5k phy0: gain calibration timeout (5260MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5260 Mhz)
> ath5k phy0: gain calibration timeout (5265MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5265 Mhz)
> ath5k phy0: gain calibration timeout (5320MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5320 Mhz)
> ath5k phy0: gain calibration timeout (5745MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5745 Mhz)
> ath5k phy0: gain calibration timeout (5750MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5750 Mhz)
> ath5k phy0: gain calibration timeout (5755MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5755 Mhz)
> ath5k phy0: gain calibration timeout (5760MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5760 Mhz)
> ath5k phy0: gain calibration timeout (5810MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5810 Mhz)
> ath5k phy0: gain calibration timeout (5815MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5815 Mhz)
> ath5k phy0: gain calibration timeout (5820MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5820 Mhz)
> ath5k phy0: gain calibration timeout (5825MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (5825 Mhz)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: ath5k_chan_set: unable to reset channel (2412 Mhz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> ath5k phy0: noise floor calibration timeout (2412MHz)
> 
> 
> after a fresh reboot
> 
> $ dmesg | grep ath
> 
> ath5k_pci 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> ath5k_pci 0000:03:00.0: setting latency timer to 64
> ath5k_pci 0000:03:00.0: registered as 'phy0'
> ath5k phy0: Atheros AR5424 chip found (MAC: 0xa3, PHY: 0x61)
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: unable to reset hardware: -11
> ath5k phy0: gain calibration timeout (2412MHz)
> ath5k phy0: unable to reset hardware: -11
> 

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