Any one no what this is in my log from my c7?

[tapper]

keep getting these lines in my log
process fft report: -22
Fri Jan 29 08:01:12 2016 kern.warn kernel: [45440.850000] ath10k_pci 0000:01:00.0: failed to process fft report: -22
Fri Jan 29 08:01:37 2016 kern.warn kernel: [45466.680000] ath10k_pci 0000:01:00.0: failed to process fft report: -22
Fri Jan 29 08:01:38 2016 kern.warn kernel: [45467.520000] ath10k_pci 0000:01:00.0: failed to process fft report: -22
Fri Jan 29 08:02:27 2016 kern.warn kernel: [45516.030000] ath10k_pci 0000:01:00.0: failed to process fft report: -22
Fri Jan 29 08:02:28 2016 kern.warn kernel: [45517.580000] ath10k_pci 0000:01:00.0: failed to process fft report: -22
Fri Jan 29 08:02:54 2016 kern.warn kernel: [45543.560000] ath10k_pci 0000:01:00.0: failed to process fft report: -22
Fri Jan 29 08:03:30 2016 kern.warn kernel: [45579.130000] ath10k_pci 0000:01:00.0: failed to process fft report: -22
Fri Jan 29 08:03:55 2016 kern.warn kernel: [45603.910000] ath10k_pci 0000:01:00.0: failed to process fft report: -22

Any one no what they mien?

[Lantis]

They are related to DFS and serve no purpose.
You can safely ignore them.

[tapper]

thanks