OpenWrt/LEDE Project

  • Status Waiting on reporter
  • Percent Complete
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  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity Low
  • Priority Very Low
  • Reported Version openwrt-19.07
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Vadim - 03.12.2019
Last edited by Yousong Zhou - 13.01.2020

FS#2650 - r7800 19.07-rc2 unable to change channel for AC

- Device problem occurs on - Linux r7800 4.14.156 #0 SMP Sat Nov 30 15:52:33 2019 armv7l GNU/Linux
- Software versions of OpenWrt/LEDE release - 19.07-rc2

in Luci when change channel number change actually never gets committed, when do manually in /etc/config/wireless and then reboot router comes up with 5GHz network disabled, after changing back to default channel 36 5GHz network is usable again.

please provide steps to collect log

in dmesg only:

(wlan0) entered blocking state
(wlan0) entered disabled state
   
Project Manager
Adrian Schmutzler commented on 08.12.2019 17:23

Is regulatory domain set (correctly)?

Vadim commented on 09.12.2019 15:41

default settings:

root@r7800:~# iw reg get
global
country US: DFS-FCC

      (2402 - 2472 @ 40), (N/A, 30), (N/A)
      (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
      (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
      (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
      (5735 - 5835 @ 80), (N/A, 30), (N/A)
      (57240 - 71000 @ 2160), (N/A, 40), (N/A)

phy#1
country US: DFS-FCC

      (2402 - 2472 @ 40), (N/A, 30), (N/A)
      (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
      (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
      (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
      (5735 - 5835 @ 80), (N/A, 30), (N/A)
      (57240 - 71000 @ 2160), (N/A, 40), (N/A)

phy#0
country US: DFS-FCC

      (2402 - 2472 @ 40), (N/A, 30), (N/A)
      (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
      (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
      (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
      (5735 - 5835 @ 80), (N/A, 30), (N/A)
      (57240 - 71000 @ 2160), (N/A, 40), (N/A)
Project Manager
Piotr Dymacz commented on 09.12.2019 16:14

@Vadim please be more specific and at least provide what channel number and HT settings are you trying to use - not all combinations are possible and correct.

Vadim commented on 09.12.2019 17:40

all default setting:
mode - AC
channel - 36
HT - 80MHz
are working just fine.

when I channel change in luci change get rollbacked after shoort wireless blackout.

this was found in dmesg during such change in luci:

[529385.947125] device wlan0 left promiscuous mode
[529385.947344] br-lan: port 2(wlan0) entered disabled state
[529386.039002] ath10k_pci 0000:01:00.0: peer-unmap-event: unknown peer id 0
[529386.039133] ath10k_pci 0000:01:00.0: peer-unmap-event: unknown peer id 0
[529386.045081] ath10k_pci 0000:01:00.0: peer-unmap-event: unknown peer id 0
[529392.481779] ath10k_pci 0000:01:00.0: 10.4 wmi init: vdevs: 16 peers: 48 tid: 96
[529392.481813] ath10k_pci 0000:01:00.0: msdu-desc: 2500 skid: 32
[529392.563672] ath10k_pci 0000:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186 msdu-desc: 2500 sw-crypt: 0 ct-sta: 0'
[529392.564519] ath10k_pci 0000:01:00.0: wmi print 'free: 81784 iram: 23220 sram: 14440'
[529392.917985] ath10k_pci 0000:01:00.0: Firmware lacks feature flag indicating a retry limit of > 2 is OK, requested limit: 4
[529392.918315] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[529392.931400] br-lan: port 2(wlan0) entered blocking state
[529392.934181] br-lan: port 2(wlan0) entered disabled state
[529392.939791] device wlan0 entered promiscuous mode
[529392.986891] device wlan0 left promiscuous mode
[529392.987142] br-lan: port 2(wlan0) entered disabled state
[529393.067758] ath10k_pci 0000:01:00.0: peer-unmap-event: unknown peer id 0
[529409.513363] ath10k_pci 0000:01:00.0: 10.4 wmi init: vdevs: 16 peers: 48 tid: 96
[529409.513397] ath10k_pci 0000:01:00.0: msdu-desc: 2500 skid: 32
[529409.595257] ath10k_pci 0000:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186 msdu-desc: 2500 sw-crypt: 0 ct-sta: 0'
[529409.596122] ath10k_pci 0000:01:00.0: wmi print 'free: 81784 iram: 23220 sram: 14440'
[529409.949858] ath10k_pci 0000:01:00.0: Firmware lacks feature flag indicating a retry limit of > 2 is OK, requested limit: 4
[529409.950158] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[529409.963198] br-lan: port 2(wlan0) entered blocking state
[529409.966053] br-lan: port 2(wlan0) entered disabled state
[529409.971646] device wlan0 entered promiscuous mode
[529410.016992] device wlan0 left promiscuous mode
[529410.017253] br-lan: port 2(wlan0) entered disabled state
[529410.097743] ath10k_pci 0000:01:00.0: peer-unmap-event: unknown peer id 0
[529422.376453] ath10k_pci 0000:01:00.0: 10.4 wmi init: vdevs: 16 peers: 48 tid: 96
[529422.376486] ath10k_pci 0000:01:00.0: msdu-desc: 2500 skid: 32
[529422.458424] ath10k_pci 0000:01:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186 msdu-desc: 2500 sw-crypt: 0 ct-sta: 0'
[529422.459281] ath10k_pci 0000:01:00.0: wmi print 'free: 81784 iram: 23220 sram: 14440'
[529422.827011] ath10k_pci 0000:01:00.0: Firmware lacks feature flag indicating a retry limit of > 2 is OK, requested limit: 4
[529422.827300] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[529422.844188] br-lan: port 2(wlan0) entered blocking state
[529422.844245] br-lan: port 2(wlan0) entered disabled state
[529422.849178] device wlan0 entered promiscuous mode
[529423.509679] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[529423.510037] br-lan: port 2(wlan0) entered blocking state
[529423.515135] br-lan: port 2(wlan0) entered forwarding state

If /etc/config/wireless is edited manually and router rebooted then AC wireless gets disabled.

Project Manager
Baptiste Jonglez commented on 13.01.2020 17:14

This indeed looks like a regulatory / DFS issue.

Please select the right country, and tell us which channel you try to use.

If you try to use a DFS channel, it's normal that it gets disabled on boot.

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