wlan0 - SIOCSIFFLAGS: Resource temporarily unavailable

[sandwern]

Hi and Happy new year!

I'm not so fluent in English, so please excuse me. 

 

I have Lamobo R-1 with HW mod (RT5572) and the main problem is that hostapd is giving error message at start:

 

root@lamobo-r1:~# hostapd -d /etc/hostapd/hostapd.conf
random: Trying to read entropy from /dev/random
Configuration file: /etc/hostapd/hostapd.conf
rfkill: initial event: idx=0 type=1 op=0 soft=0 hard=0
nl80211: Supported cipher 00-0f-ac:1
nl80211: Supported cipher 00-0f-ac:5
nl80211: Supported cipher 00-0f-ac:2
nl80211: Supported cipher 00-0f-ac:4
nl80211: Supported cipher 00-0f-ac:10
nl80211: Supported cipher 00-0f-ac:8
nl80211: Supported cipher 00-0f-ac:9
nl80211: Using driver-based off-channel TX
nl80211: interface wlan0 in phy phy0
nl80211: Set mode ifindex 3 iftype 3 (AP)
nl80211: Setup AP(wlan0) - device_ap_sme=0 use_monitor=0
nl80211: Subscribe to mgmt frames with AP handle 0x7f6c58d0
nl80211: Register frame type=0xb0 (WLAN_FC_STYPE_AUTH) nl_handle=0x7f6c58d0 match=
nl80211: Register frame type=0x0 (WLAN_FC_STYPE_ASSOC_REQ) nl_handle=0x7f6c58d0 match=
nl80211: Register frame type=0x20 (WLAN_FC_STYPE_REASSOC_REQ) nl_handle=0x7f6c58d0 match=
nl80211: Register frame type=0xa0 (WLAN_FC_STYPE_DISASSOC) nl_handle=0x7f6c58d0 match=
nl80211: Register frame type=0xc0 (WLAN_FC_STYPE_DEAUTH) nl_handle=0x7f6c58d0 match=
nl80211: Register frame type=0xd0 (WLAN_FC_STYPE_ACTION) nl_handle=0x7f6c58d0 match=
nl80211: Register frame type=0x40 (WLAN_FC_STYPE_PROBE_REQ) nl_handle=0x7f6c58d0 match=
Could not set interface wlan0 flags (UP): Resource temporarily unavailable
nl80211: Could not set interface 'wlan0' UP
nl80211: deinit ifname=wlan0 disabled_11b_rates=0
nl80211: Remove monitor interface: refcount=0
nl80211: Remove beacon (ifindex=3)
netlink: Operstate: ifindex=3 linkmode=0 (kernel-control), operstate=6 (IF_OPER_UP)
nl80211: Set mode ifindex 3 iftype 2 (STATION)
nl80211: Teardown AP(wlan0) - device_ap_sme=0 use_monitor=0
nl80211: Unsubscribe mgmt frames handle 0xf7e4d059 (AP teardown)
nl80211 driver initialization failed.
hostapd_interface_deinit_free(0x7f6c42d8)
hostapd_interface_deinit_free: num_bss=1 conf->num_bss=1
hostapd_interface_deinit(0x7f6c42d8)
wlan0: interface state UNINITIALIZED->DISABLED
hostapd_bss_deinit: deinit bss wlan0
wlan0: AP-DISABLED
hostapd_cleanup(hapd=0x7f6c4e98 (wlan0))
hostapd_free_hapd_data: Interface wlan0 wasn't started
hostapd_interface_deinit_free: driver=(nil) drv_priv=(nil) -> hapd_deinit
hostapd_interface_free(0x7f6c42d8)
hostapd_interface_free: free hapd 0x7f6c4e98
hostapd_cleanup_iface(0x7f6c42d8)
hostapd_cleanup_iface_partial(0x7f6c42d8)
hostapd_cleanup_iface: free iface=0x7f6c42d8

uname -a

Linux lamobo-r1 4.7.3-sunxi #26 SMP Wed Sep 14 19:50:18 CEST 2016 armv7l GNU/Linux (this is Armbian_5.20_Lamobo-r1_Debian_jessie_4.7.3.img)

 

Thank you very much for any information how to solve this issue!

[sandwern]

Problem solved by installation of firmware-ralink package (dmesg helped to solve the issue)!