hostapd not working any more

hostapd not working any more

[Marius Schäfer]

Hello,

I'm developing an embedded system and I don't know what I've changed but 
now hostapd doesn't work any more. It has been working the last time I 
worked on that system. Hardware is a usb stick with rt2770 chip.

# hostapd -dd /etc/hostapd.conf
random: Trying to read entropy from /dev/random
Configuration file: /etc/hostapd.conf
rfkill: initial event: idx=1 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: Using driver-based off-channel TX
nl80211: interface wlan0 in phy phy1
nl80211: Set mode ifindex 3 iftype 3 (AP)
nl80211: Failed to set interface 3 to mode 3: -16 (Device or resource busy)
nl80211: Try mode change after setting interface down
nl80211: Set mode ifindex 3 iftype 3 (AP)
nl80211: Mode change succeeded while interface is down
nl80211: Setup AP(wlan0) - device_ap_sme=0 use_monitor=0
nl80211: Subscribe to mgmt frames with AP handle 0x843dfc8
nl80211: Register frame type=0xb0 nl_handle=0x843dfc8 match=
nl80211: Register frame type=0x0 nl_handle=0x843dfc8 match=
nl80211: Register frame type=0x20 nl_handle=0x843dfc8 match=
nl80211: Register frame type=0xa0 nl_handle=0x843dfc8 match=
nl80211: Register frame type=0xc0 nl_handle=0x843dfc8 match=
nl80211: Register frame type=0xd0 nl_handle=0x843dfc8 match=
nl80211: Register frame type=0x40 nl_handle=0x843dfc8 match=
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: Failed to set interface 3 to mode 2: -16 (Device or resource busy)
nl80211: Try mode change after setting interface down
nl80211: Set mode ifindex 3 iftype 2 (STATION)
nl80211: Mode change succeeded while interface is down
nl80211: Teardown AP(wlan0) - device_ap_sme=0 use_monitor=0
nl80211: Unsubscribe mgmt frames handle 0x80cb5741 (AP teardown)
nl80211 driver initialization failed.
hostapd_interface_deinit_free(0x843c3c8)
hostapd_interface_deinit_free: num_bss=1 conf->num_bss=1
hostapd_interface_deinit(0x843c3c8)
hostapd_bss_deinit: deinit bss wlan0
hostapd_cleanup(hapd=0x843c8c0 (wlan0))
hostapd_free_hapd_data: Interface wlan0 wasn't started
hostapd_interface_deinit_free: driver=(nil) drv_priv=(nil) -> hapd_deinit
hostapd_interface_free(0x843c3c8)
hostapd_interface_free: free hapd 0x843c8c0
hostapd_cleanup_iface(0x843c3c8)
hostapd_cleanup_iface_partial(0x843c3c8)
hostapd_cleanup_iface: free iface=0x843c3c8


Thank you
Marius Schäfer