RTL8192CU Wireless dissappeared

Hi!

I have RPi 2 with FreeBSD 11 installed. I have 2000 mA power supply. Also, I have hostapd installed and next kernel modules loaded:


Id Refs Address Size Name
1 45 0xc0100000 a3f4fc kernel
2 1 0xc2e53000 28000 if_urtwn.ko
3 1 0xc2e2a000 b000 firmware.ko
4 1 0xc2e81000 a000 pflog.ko
5 1 0xc2fdc000 3b000 pf.ko
6 1 0xc31ce000 d000 if_tun.ko
7 1 0xc3328000 b000 ng_socket.ko
8 8 0xc338b000 14000 netgraph.ko
9 1 0xc33b1000 c000 ng_mppc.ko
10 1 0xc33c5000 9000 rc4.ko
11 1 0xc33db000 b000 ng_iface.ko
12 1 0xc33ee000 e000 ng_ppp.ko
13 1 0xc3407000 a000 ng_tee.ko
14 1 0xc3429000 c000 ng_l2tp.ko
15 1 0xc343f000 c000 ng_ksocket.ko
16 1 0xc345d000 9000 wlan_xauth.ko
17 1 0xc34bc000 a000 wlan_wep.ko
18 1 0xc34cc000 b000 wlan_tkip.ko
19 1 0xc34dc000 e000 wlan_ccmp.ko
20 1 0xc34ef000 b000 ng_vjc.ko

Some times, after several minutes of wifi hostaAP working I recieve in dmesg

wlan0: ieee80211_new_state_locked: pending INIT -> SCAN transition lost

and AP dissappeared and ifconfig interface lost:
Code:
candy-pi# ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
        inet 127.0.0.1 netmask 0xff000000
        inet 10.1.20.1 netmask 0xfffffffe
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
pflog0: flags=141<UP,RUNNING,PROMISC> metric 0 mtu 33184
        groups: pflog
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
        options=80000<LINKSTATE>
        inet 10.44.48.66 --> 10.0.0.2  netmask 0xffffffff
        groups: tun
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        Opened by PID 438
ue0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=80009<RXCSUM,VLAN_MTU,LINKSTATE>
        ether b8:27:eb:bd:6e:ae
        media: Ethernet autoselect (none)
        status: no carrier
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

that's lsusb output:

candy-pi# lsusb
Bus /dev/usb Device /dev/ugen0.5: ID 0bda:8178 Realtek Semiconductor Corp. RTL8192CU 802.11n WLAN Adapter
Bus /dev/usb Device /dev/ugen0.4: ID 12d1:1506 Huawei Technologies Co., Ltd. Modem/Networkcard
Bus /dev/usb Device /dev/ugen0.3: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus /dev/usb Device /dev/ugen0.2: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub
Bus /dev/usb Device /dev/ugen0.1: ID 0000:0000


That's hostapd.conf
Code:
candy-pi# cat /etc/hostapd.conf

ssid=5N

wpa_passphrase=11111111

channel=7

interface=wlan0
hw_mode=g
#ieee80211n=1
wmm_enabled=1
auth_algs=3
wpa=2
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP
rsn_pairwise=CCMP

beacon_int=1000
dtim_period=2
max_num_sta=255
rts_threshold=2347
fragm_threshold=2346

logger_syslog=-1
logger_syslog_level=2

# System files
dump_file=/tmp/hostapd.dump
ctrl_interface=/var/run/hostapd
ctrl_interface_group=wheel
Here is rc.conf
Code:
ifconfig_lo0_alias0="10.1.20.1 netmask 255.255.255.254"
wlans_urtwn0="wlan0"
create_args_wlan0="wlanmode hostap"
hostapd_enable="YES"
ifconfig_wlan0="inet 10.1.20.1 netmask 255.255.255.0"
If I reload modules, nothing happend.
usbconfig -d 0.5 power_off - nothing happend.
What's wrong? May be I need recompile kernel with some patch?
 
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