Looks like you've got an Atheros AR5001 WLAN card, and the ath5k driver is having issues.
Your kernel log is full of the following error messages for *all* channels:
Feb 22 10:02:01 snowdog kernel: [ 824.761738] ath5k phy0: gain calibration timeout (2437MHz)
Looks like you've got an Atheros AR5001 WLAN card, and the ath5k driver is having issues.
Your kernel log is full of the following error messages for *all* channels:
Feb 22 10:02:01 snowdog kernel: [ 824.761738] ath5k phy0: gain calibration timeout (2437MHz)