[FS#768] no simultaneous AP+IBSS on TP-LINK TL-WR841N/ND v7 with r3900

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Bastian Bittorf (bittorf) 

Attached to Project - LEDE Project
Summary - no simultaneous AP+IBSS on TP-LINK TL-WR841N/ND v7 with r3900
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - 
# wifi
# sleep 10
# logread
Mon May  8 17:20:03 2017 daemon.notice netifd: Network device 'wlan0' link is down
Mon May  8 17:20:03 2017 daemon.notice netifd: Interface 'wlanadhoc' has link connectivity loss
Mon May  8 17:20:03 2017 daemon.notice netifd: Interface 'wlanadhoc' is now down
Mon May  8 17:20:03 2017 daemon.notice netifd: Interface 'wlanadhoc' is disabled
Mon May  8 17:20:04 2017 daemon.err hostapd: Configuration file: /var/run/hostapd-phy0.conf
Mon May  8 17:20:04 2017 daemon.notice hostapd: wlan0-1: interface state UNINITIALIZED->COUNTRY_UPDATE
Mon May  8 17:20:05 2017 daemon.err hostapd: Using interface wlan0-1 with hwaddr 90:f6:52:b1:6c:d0 and ssid "weimar.freifunk.net"
Mon May  8 17:20:05 2017 daemon.notice hostapd: wlan0-1: interface state COUNTRY_UPDATE->ENABLED
Mon May  8 17:20:05 2017 daemon.notice hostapd: wlan0-1: AP-ENABLED
Mon May  8 17:20:05 2017 daemon.notice netifd: radio0 (5474): RTNETLINK answers: No error information
Mon May  8 17:20:05 2017 daemon.notice netifd: radio0 (5474): Interface 0 setup failed: IFUP_ERROR
Mon May  8 17:20:05 2017 daemon.notice netifd: Network device 'wlan0-1' link is up
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'wlan' is enabled
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'wlan' is setting up now
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'mastergate' is enabled
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'mastergate' is setting up now
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'cfg134d8f' is setting up now
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'cfg134d8f' is now up
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'mastergate' is now up
Mon May  8 17:20:05 2017 daemon.notice netifd: Network alias 'wlan0-1' link is up
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'wlan' is now up
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'wlan' has link connectivity
Mon May  8 17:20:05 2017 daemon.notice netifd: bridge 'br-mastergate' link is up
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'mastergate' has link connectivity
Mon May  8 17:20:05 2017 daemon.notice netifd: Interface 'cfg134d8f' has link connectivity
Mon May  8 17:20:05 2017 daemon.notice netifd: macvlan 'roaming1' link is up

# uci show wireless
wireless.radio0=wifi-device
wireless.radio0.type='mac80211'
wireless.radio0.country='US'
wireless.radio0.frag='off'
wireless.radio0.distance='100'
wireless.radio0.path='pci0000:00/0000:00:00.0'
wireless.radio0.hwmode='11g'
wireless.radio0.htmode='HT20'
wireless.radio0.chanbw='20'
wireless.radio0.channel='5'
wireless.radio0.beacon_int='250'
wireless.radio0.txpower='23'
wireless. at wifi-iface[0]=wifi-iface
wireless. at wifi-iface[0].device='radio0'
wireless. at wifi-iface[0].network='wlanadhoc'
wireless. at wifi-iface[0].mode='adhoc'
wireless. at wifi-iface[0].macaddr='90:f6:52:b1:6c:d0'
wireless. at wifi-iface[0].mcast_rate='6000'
wireless. at wifi-iface[0].bssid='02:ca:ff:ee:ba:be'
wireless. at wifi-iface[0].ssid='ffintern.2GHz'
wireless. at wifi-iface[1]=wifi-iface
wireless. at wifi-iface[1].device='radio0'
wireless. at wifi-iface[1].network='wlan'
wireless. at wifi-iface[1].encryption='none'
wireless. at wifi-iface[1].mode='ap'
wireless. at wifi-iface[1].disassoc_low_ack='1'
wireless. at wifi-iface[1].ssid='weimar.freifunk.net'
wireless. at wifi-iface[1].disabled='0'

# ip a
...
15: wlan0:  mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 90:f6:52:b1:6c:d0 brd ff:ff:ff:ff:ff:ff
16: wlan0-1:  mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 90:f6:52:b1:6c:d0 brd ff:ff:ff:ff:ff:ff
    inet 10.63.42.66/27 brd 10.63.42.95 scope global wlan0-1
       valid_lft forever preferred_lft forever
    inet6 fe80::92f6:52ff:feb1:6cd0/64 scope link 
       valid_lft forever preferred_lft forever
...


when 'ap' is disabled the adhoc-interface comes up
 

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=768