[OpenWrt-Devel] 5GHz wifi is broken

[Christian Lamparter]

Hello,

On Thursday, February 14, 2019 6:43:26 PM CET e9hack wrote:
> a change somewhere between 8.Feb and 10.Feb breaks the usage of the 5GHz WiFi on my Archer C7 router.
> I get the following entries in the log file:
>
> Firmware is: 
> ath10k_pci 0000:00:00.0: firmware ver 10.1-ct-8x-__fW-022-1bbfa151 api 2 features
> wmi-10.x,has-wmi-mgmt-tx,mfp,txstatus-noack,wmi-10.x-CT,ratemask-CT,txrate-CT,get-temp-CT,tx-rc-CT,cust-stats-CT,retry-gt2-CT,txrate2-CT
> crc32 66e0dff7
> 
> Thu Feb 14 18:27:01 2019 daemon.err hostapd: Failed to set beacon parameters
> Thu Feb 14 18:27:01 2019 daemon.err hostapd: Interface initialization failed
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0: interface state DFS->DISABLED
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0: AP-DISABLED
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0: interface state DISABLED->DISABLED
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0-2: AP-DISABLED
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0-2: CTRL-EVENT-TERMINATING
> Thu Feb 14 18:27:01 2019 daemon.err hostapd: hostapd_free_hapd_data: Interface wlan0-2 wasn't started
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0-1: AP-DISABLED
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0-1: CTRL-EVENT-TERMINATING
> Thu Feb 14 18:27:01 2019 daemon.err hostapd: hostapd_free_hapd_data: Interface wlan0-1 wasn't started
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0: AP-DISABLED
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: wlan0: CTRL-EVENT-TERMINATING
> Thu Feb 14 18:27:01 2019 daemon.err hostapd: hostapd_free_hapd_data: Interface wlan0 wasn't started
> Thu Feb 14 18:27:01 2019 daemon.notice hostapd: nl80211: deinit ifname=wlan0 disabled_11b_rates=0
> Thu Feb 14 18:27:01 2019 kern.info kernel: [  162.919267] device wlan0 left promiscuous mode
> Thu Feb 14 18:27:01 2019 kern.info kernel: [  162.923985] br-lan: port 2(wlan0) entered disabled state
> Thu Feb 14 18:27:02 2019 daemon.notice hostapd: ELOOP: remaining socket: sock=23 eloop_data=0x77f9cc40 user_data=0
> handler=0x556a2d91
> Thu Feb 14 18:27:02 2019 daemon.notice netifd: radio0 (2540): cat: can't open '/var/run/wifi-phy0.pid': No such file or
> directory
> Thu Feb 14 18:27:02 2019 daemon.notice netifd: radio0 (2540): WARNING (wireless_add_process): executable path
> /usr/sbin/hostapd does not match process  path (/proc/exe)
> Thu Feb 14 18:27:02 2019 daemon.notice netifd: radio0 (2540): Command failed: Invalid argument
> Thu Feb 14 18:27:03 2019 kern.warn kernel: [  164.791404] ath10k_pci 0000:00:00.0: 10.1 wmi init: vdevs: 16  peers: 127
> tid: 256
> Thu Feb 14 18:27:03 2019 kern.info kernel: [  164.808256] ath10k_pci 0000:00:00.0: wmi print 'P 128 V 8 T 410'
> Thu Feb 14 18:27:03 2019 kern.info kernel: [  164.814618] ath10k_pci 0000:00:00.0: wmi print 'msdu-desc: 1424  sw-crypt:
> 0 ct-sta: 0'
> Thu Feb 14 18:27:03 2019 kern.info kernel: [  164.822797] ath10k_pci 0000:00:00.0: wmi print 'alloc rem: 24616 iram: 26584'

> Thu Feb 14 18:27:03 2019 kern.warn kernel: [  164.900521] ath10k_pci 0000:00:00.0: pdev param 0 not supported by firmware
> Thu Feb 14 18:27:03 2019 kern.info kernel: [  164.925384] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> Thu Feb 14 18:27:04 2019 daemon.notice netifd: radio0 (2540): Cannot find device "wlan0-1"
> Thu Feb 14 18:27:04 2019 daemon.notice netifd: radio0 (2540): Interface 1 setup failed: IFUP_ERROR
> Thu Feb 14 18:27:05 2019 daemon.notice netifd: radio0 (2540): Cannot find device "wlan0-2"
> Thu Feb 14 18:27:05 2019 daemon.notice netifd: radio0 (2540): Interface 2 setup failed: IFUP_ERROR
> Thu Feb 14 18:27:05 2019 kern.info kernel: [  166.183839] br-lan: port 2(wlan0) entered blocking state
> Thu Feb 14 18:27:05 2019 kern.info kernel: [  166.189311] br-lan: port 2(wlan0) entered disabled state
> Thu Feb 14 18:27:05 2019 kern.info kernel: [  166.195048] device wlan0 entered promiscuous mode

"between 8.Feb and 10.Feb"

https://github.com/openwrt/openwrt/commits/master/package/kernel/ath10k-ct

so maybe it was: 

https://github.com/openwrt/openwrt/commit/835fc08ae3fb9e27db0f095a10fbff24f87ee1a9
(Although, github says it was commited on the 11th)

Can you please post your /etc/config/wireless and try to revert the patch to test if
this helps with the situation? 

If it is indeed the patch (and not a unsupported configuration):

@Ben can you please take a peek into your wave-1 firmware and check if the 
mgmt_rate WMI (WMI_10X_VDEV_PARAM_MGMT_RATE) is supported, or if there is
a bad interaction somewhere else?

(This "pdev param 0 not supported by firmware" was mentioned in 
https://bugs.openwrt.org/index.php?do=details&task_id=1920 so probably not the problem)

Cheers,
Christian



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