My system should be doing DFS properly, but channel 100 (5500 Mhz) and nearby are still not enabled. What extra do I need to do? I have some hacks to enable DFS-FCC, which fixes at least some of the DFS problems in upstream kernels, and regulatory.bin is only a few months old. [root@ath10k-2220 wifi]# iw reg get country US: DFS-FCC (2402 - 2472 @ 40), (N/A, 30) (5170 - 5250 @ 80), (N/A, 17) (5250 - 5330 @ 80), (N/A, 23), DFS (5735 - 5835 @ 80), (N/A, 30) (57240 - 63720 @ 2160), (N/A, 40) Sep 24 09:19:35 localhost kernel: cfg80211: set-regdom, lr->initiator: 0 domain: 00 Sep 24 09:19:35 localhost kernel: cfg80211: Regulatory domain (set-regdom): 00 DFS: unset Sep 24 09:19:35 localhost kernel: cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) Sep 24 09:19:35 localhost kernel: cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (5170000 KHz - 5250000 KHz @ 160000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (5250000 KHz - 5330000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s) Sep 24 09:19:35 localhost kernel: cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s) Sep 24 09:19:35 localhost kernel: cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: Done with reg domain Sep 24 09:19:35 localhost kernel: Sep 24 09:19:35 localhost kernel: cfg80211: World regulatory domain updated: Sep 24 09:19:35 localhost kernel: cfg80211: DFS Master region: unset Sep 24 09:19:35 localhost kernel: cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) Sep 24 09:19:35 localhost kernel: cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (5170000 KHz - 5250000 KHz @ 160000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (5250000 KHz - 5330000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s) Sep 24 09:19:35 localhost kernel: cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s) Sep 24 09:19:35 localhost kernel: cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A) Sep 24 09:19:35 localhost kernel: cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A) .... Sep 24 09:19:36 localhost kernel: cfg80211: Calling CRDA for country: US Sep 24 09:19:36 localhost kernel: cfg80211: set-regdom, lr->initiator: 2 domain: US Sep 24 09:19:36 localhost kernel: cfg80211: Forcing US to DFS-FCC (was: unset). Sep 24 09:19:36 localhost kernel: cfg80211: Regulatory domain (set-regdom): US DFS: FCC Sep 24 09:19:36 localhost kernel: cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) Sep 24 09:19:36 localhost kernel: cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 3000 mBm), (N/A) Sep 24 09:19:36 localhost kernel: cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 1700 mBm), (N/A) Sep 24 09:19:36 localhost kernel: cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz), (N/A, 2300 mBm), (0 s) Sep 24 09:19:36 localhost kernel: cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 3000 mBm), (N/A) Sep 24 09:19:36 localhost kernel: cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A) Sep 24 09:19:36 localhost kernel: cfg80211: Done with reg domain Sep 24 09:19:36 localhost kernel: Sep 24 09:19:36 localhost kernel: cfg80211: set-rd-driver, no intersect requested. Sep 24 09:19:36 localhost kernel: cfg80211: Setting DFS Master region in update_regulatory, was: unset, new: FCC lr: ffff880037913000 regdom: ffff8800c72a6300 Sep 24 09:19:36 localhost kernel: cfg80211: Regulatory domain changed to country: US Sep 24 09:19:36 localhost kernel: cfg80211: DFS Master region: FCC Sep 24 09:19:36 localhost kernel: cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) Sep 24 09:19:36 localhost kernel: cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 3000 mBm), (N/A) Sep 24 09:19:36 localhost kernel: cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 1700 mBm), (N/A) Sep 24 09:19:36 localhost kernel: cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz), (N/A, 2300 mBm), (0 s) Sep 24 09:19:36 localhost kernel: cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 3000 mBm), (N/A) Sep 24 09:19:36 localhost kernel: cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A) Sep 24 09:19:37 localhost kernel: cfg80211: Setting DFS Master region in update_regulatory, was: FCC, new: FCC lr: ffff880037913000 regdom: ffff8800c72a6300 Sep 24 09:19:37 localhost kernel: cfg80211: Setting DFS Master region in update_regulatory, was: unset, new: FCC lr: ffff8802208ba280 regdom: ffff8800c72a6300 Thanks, Ben -- Ben Greear <greearb@xxxxxxxxxxxxxxx> Candela Technologies Inc http://www.candelatech.com -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html