Comment 31 for bug 435808

I have this issue also, doesn't seem to affect the function of my wireless network but repeats the whole time the computer is running.
I am running Lucid but I noticed it when I had Karmic also. My wireless card is Atheros. Kernel is 2.6.32.22

436.887066] ath5k phy0: noise floor calibration failed (2412MHz)
May 15 10:37:47 gayez-komputa kernel: [ 437.315401] ath5k phy0: noise floor calibration failed (2417MHz)
May 15 10:39:47 gayez-komputa kernel: [ 556.888182] ath5k phy0: noise floor calibration failed (2412MHz)
May 15 10:39:47 gayez-komputa kernel: [ 557.330673] ath5k phy0: noise floor calibration failed (2417MHz)
May 15 10:41:47 gayez-komputa kernel: [ 676.890725] ath5k phy0: noise floor calibration failed (2412MHz)
May 15 10:41:47 gayez-komputa kernel: [ 677.337024] ath5k phy0: noise floor calibration failed (2417MHz)
May 15 10:43:47 gayez-komputa kernel: [ 796.888738] ath5k phy0: noise floor calibration failed (2412MHz)
May 15 10:43:47 gayez-komputa kernel: [ 797.325437] ath5k phy0: noise floor calibration failed (2417MHz)
May 15 10:45:47 gayez-komputa kernel: [ 916.891603] ath5k phy0: noise floor calibration failed (2412MHz)
May 15 10:45:47 gayez-komputa kernel: [ 917.334169] ath5k phy0: noise floor calibration failed (2417MHz)