I upgraded from Ubuntu 15.10 to 16.04 and my wifi has stopped working. I have an Asus USB Wifi Adapter and it is able to detect the wifi signals. However, upon clicking on my home wifi I am unable to connect to it. I have had a look at this issue WiFi (r8712u) is only working after doing rmmod & modprobe but had no success.
I am providing the below information and hoping the ubuntu community can help me here! Please let me know if you need any more information to solve the issue.
lshw -class network
*-network
description: Ethernet interface
product: 82566DC Gigabit Network Connection
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: eth0
version: 02
serial: 00:19:d1:85:4b:d4
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=1.1-0 latency=0 link=no multicast=yes port=twisted pair
resources: irq:29 memory:90300000-9031ffff memory:90324000-90324fff ioport:30c0(size=32)
*-network
description: Wireless interface
physical id: 1
bus info: usb@1:3.3
logical name: wlan0
serial: f4:6d:04:8b:44:b1
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=r8712u multicast=yes wireless=unassociated
lsusb
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 0bc2:3300 Seagate RSS LLC
Bus 001 Device 004: ID 0b05:1791 ASUSTek Computer, Inc. WL-167G v3 802.11n Adapter [Realtek RTL8188SU]
Bus 001 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
lspci
00:00.0 Host bridge: Intel Corporation 82P965/G965 Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82G965 Integrated Graphics Controller (rev 02)
00:03.0 Communication controller: Intel Corporation 82P965/G965 HECI Controller (rev 02)
00:19.0 Ethernet controller: Intel Corporation 82566DC Gigabit Network Connection (rev 02)
00:1a.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02)
00:1a.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02)
00:1d.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA Controller [IDE mode] (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
00:1f.5 IDE interface: Intel Corporation 82801HR/HO/HH (ICH8R/DO/DH) 2 port SATA Controller [IDE mode] (rev 02)
02:00.0 IDE interface: Marvell Technology Group Ltd. 88SE6101/6102 single-port PATA133 interface (rev b1)
06:00.0 Multimedia audio controller: ESS Technology ES1938/ES1946/ES1969 Solo-1 Audiodrive (rev 02)
06:03.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx]
rmmod r8712u && sudo modprobe r8712u ( I have tried this as suggested in the above mentioned link but did not have any success. I have even tried restarting the network manager as mentioned in the link but had no success even there).
[ 1732.118252] usbcore: deregistering interface driver r8712u
[ 1732.436048] usb 1-3.3: reset high-speed USB device number 4 using ehci-pci
[ 1732.652796] r8712u: module is from the staging directory, the quality is unknown, you have been warned.
[ 1732.653771] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 1732.653777] usb 1-3.3: r8712u: USB_SPEED_HIGH with 4 endpoints
[ 1732.654323] usb 1-3.3: r8712u: Boot from EFUSE: Autoload OK
[ 1733.065831] usb 1-3.3: r8712u: CustomerID = 0x0010
[ 1733.065839] usb 1-3.3: r8712u: MAC Address from efuse = f4:6d:04:8b:44:b1
[ 1733.065845] usb 1-3.3: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[ 1733.069364] usbcore: registered new interface driver r8712u
[ 1733.101181] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1733.808456] r8712u 1-3.3:1.0 wlan0: 1 RCR=0x153f00e
[ 1733.809196] r8712u 1-3.3:1.0 wlan0: 2 RCR=0x553f00e
[ 1733.916265] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1733.973323] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
(An interesting piece of information here might be that when I turn the hotspot on on my phone, I am able to connect to my phone's wifi with the same setup. However, it is the home wifi I have been having problem connecting to. I have checked and rechecked the password I am entering and it is correct.)
Edit: Adding the wireless-info.txt contents here.
########## wireless info START ##########
Report from: 10 Jun 2016 00:34 IST +0530
Booted last: 10 Jun 2016 00:00 IST +0530
Script from: 26 May 2016 21:56 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.4.0-23-generic #41-Ubuntu SMP Mon May 16 23:03:32 UTC 2016 i686 i686 i686 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
sed: can't read /root/.dmrc: No such file or directory
Could not be determined.
##### lspci #############################
00:19.0 Ethernet controller [0200]: Intel Corporation 82566DC Gigabit Network Connection [8086:104b] (rev 02)
Subsystem: Intel Corporation 82566DC Gigabit Network Connection [8086:0001]
Kernel driver in use: e1000e
##### lsusb #############################
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 0bc2:3300 Seagate RSS LLC
Bus 001 Device 004: ID 0b05:1791 ASUSTek Computer, Inc. WL-167G v3 802.11n Adapter [Realtek RTL8188SU]
Bus 001 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
##### PCMCIA card info ##################
##### rfkill ############################
##### lsmod #############################
r8712u 159744 0
cfg80211 499712 0
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
eth0 Link encap:Ethernet HWaddr
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:20 Memory:90300000-90320000
wlan0 Link encap:Ethernet HWaddr
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:5894 errors:0 dropped:2201 overruns:0 frame:0
TX packets:6662 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1879837 (1.8 MB) TX bytes:1148881 (1.1 MB)
##### iwconfig ##########################
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 unassociated Nickname:"rtl_wifi"
Mode:Managed Access Point: Not-Associated Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
##### resolv.conf #######################
nameserver 127.0.1.1
##### network managers ##################
Installed:
NetworkManager
Running:
root 2451 1 0 Jun09 ? 00:00:01 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: wlan0
GENERAL.TYPE: wifi
GENERAL.NM-TYPE: NMDeviceWifi
GENERAL.VENDOR: Manufacturer Realtek
GENERAL.PRODUCT: ASUS WL-167G V3
GENERAL.DRIVER: r8712u
GENERAL.DRIVER-VERSION:
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR:
GENERAL.MTU: 1500
GENERAL.STATE: 30 (disconnected)
GENERAL.REASON: 39 (Device disconnected by user or client)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1a.7/usb1/1-3/1-3.3/1-3.3:1.0/net/wlan0
GENERAL.IP-IFACE:
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: no
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: --
GENERAL.CON-UUID: --
GENERAL.CON-PATH: --
GENERAL.METERED: unknown
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes
WIFI-PROPERTIES.AP: no
WIFI-PROPERTIES.ADHOC: yes
WIFI-PROPERTIES.2GHZ: yes
WIFI-PROPERTIES.5GHZ: no
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0,2}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 81d133ad-d1c3-4ebf-a108-7837c7e5e881 | Sid Mi Phone
CONNECTIONS.AVAILABLE-CONNECTIONS[2]: 4a6effa2-47de-4606-bdd6-13d9afcba61e | Sid
GENERAL.DEVICE: eth0
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Intel Corporation
GENERAL.PRODUCT: 82566DC Gigabit Network Connection
GENERAL.DRIVER: e1000e
GENERAL.DRIVER-VERSION: 3.2.6-k
GENERAL.FIRMWARE-VERSION: 1.1-0
GENERAL.HWADDR:
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 2 (Device is now managed)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:19.0/net/eth0
GENERAL.IP-IFACE:
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: --
GENERAL.CON-UUID: --
GENERAL.CON-PATH: --
GENERAL.METERED: unknown
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: off
CONNECTIONS.AVAILABLE-CONNECTION-PATHS:
SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE *
Sid Mi Phone Infra 6 2437 MHz 54 Mbit/s 100 ▂▄▆█ WPA2 no
Sid Infra 10 2457 MHz 54 Mbit/s 56 ▂▄▆_ WPA1 WPA2 no
Spark Infra 1 2412 MHz 54 Mbit/s 7 ▂___ WPA1 WPA2 no
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
##### NetworkManager.conf ###############
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false
##### NetworkManager profiles ###########
[[/etc/NetworkManager/system-connections/Sid Mi Phone]] (600 root)
[connection] id=Sid Mi Phone | type=wifi | permissions=user:sid:;
[wifi] mac-address= | mac-address-blacklist= | ssid=Sid Mi Phone
[ipv4] method=auto
[ipv6] method=auto
[[/etc/NetworkManager/system-connections/Sid]] (600 root)
[connection] id=Sid | type=wifi | permissions=
[wifi] mac-address= | mac-address-blacklist= | ssid=Sid
[ipv4] method=auto
[ipv6] method=auto
##### iw reg get ########################
Region: Asia/Kolkata (based on set time zone)
country 00: DFS-UNSET
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(2457 - 2482 @ 40), (N/A, 20), (N/A), NO-IR
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
(5170 - 5250 @ 80), (N/A, 20), (N/A), NO-IR
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, NO-IR
(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR
(5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR
(57240 - 63720 @ 2160), (N/A, 0), (N/A)
##### iwlist channels ###################
lo no frequency information.
eth0 no frequency information.
wlan0 14 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 14 : 2.484 GHz
##### iwlist scan #######################
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
Channel occupancy:
1 APs on Frequency:2.457 GHz (Channel 10)
wlan0 Scan completed :
Cell 01 - Address:
ESSID:"Sid"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.457 GHz (Channel 10)
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2020050f20401000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Extra:rsn_ie=30180100000fac020200000fac02000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Signal level=57/100
##### module infos ######################
[r8712u]
filename: /lib/modules/4.4.0-23-generic/kernel/drivers/staging/rtl8712/r8712u.ko
firmware: rtlwifi/rtl8712u.bin
author: Larry Finger
description: rtl871x wireless lan driver
license: GPL
srcversion: C6F0E0D1D849C2145DD5F72
depends:
staging: Y
intree: Y
vermagic: 4.4.0-23-generic SMP mod_unload modversions 686
parm: wifi_test:int
parm: video_mode:int
parm: chip_version:int
parm: rfintfs:int
parm: lbkmode:int
parm: hci:int
parm: network_mode:int
parm: channel:int
parm: mp_mode:int
parm: wmm_enable:int
parm: vrtl_carrier_sense:int
parm: vcs_type:int
parm: busy_thresh:int
parm: ht_enable:int
parm: cbw40_enable:int
parm: ampdu_enable:int
parm: rf_config:int
parm: power_mgnt:int
parm: low_power:int
parm: ifname: Net interface name, wlan%d=default (string)
parm: initmac:MAC-Address, default: use FUSE (charp)
[cfg80211]
filename: /lib/modules/4.4.0-23-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: 25A45701AAA64DAC1E47D9D
depends:
intree: Y
vermagic: 4.4.0-23-generic SMP mod_unload modversions 686
parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
##### module parameters #################
[r8712u]
ampdu_enable: 1
busy_thresh: 40
cbw40_enable: 1
channel: 1
chip_version: 2
hci: 1
ht_enable: 1
ifname: wlan%d
initmac: (null)
lbkmode: 0
low_power: 0
mp_mode: 0
network_mode: 0
power_mgnt: 0
rf_config: 1
rfintfs: 2
vcs_type: 1
video_mode: 1
vrtl_carrier_sense: 2
wifi_test: 0
wmm_enable: 0
[cfg80211]
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
lp
##### modprobe options ##################
[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci
[/etc/modprobe.d/blacklist-bcm43.conf]
blacklist b43
blacklist b43legacy
blacklist ssb
blacklist bcm43xx
blacklist brcm80211
blacklist brcmfmac
blacklist brcmsmac
blacklist bcma
[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac
[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off
[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en
##### rc.local ##########################
exit 0
##### pm-utils ##########################
##### udev rules ########################
[/etc/udev/rules.d/70-persistent-net.rules]
# PCI device 0x8086:0x104b (e1000e)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# USB device 0x:0x (r8712u)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
##### dmesg #############################
[ 252.098895] r8712u: module is from the staging directory, the quality is unknown, you have been warned.
[ 252.099852] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 252.099859] usb 1-3.3: r8712u: USB_SPEED_HIGH with 4 endpoints
[ 252.100405] usb 1-3.3: r8712u: Boot from EFUSE: Autoload OK
[ 252.509037] usb 1-3.3: r8712u: CustomerID = 0x0010
[ 252.509045] usb 1-3.3: r8712u: MAC Address from efuse =
[ 252.509051] usb 1-3.3: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[ 252.621139] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 253.328535] r8712u 1-3.3:1.0 wlan0: 1 RCR=0x153f00e
[ 253.329400] r8712u 1-3.3:1.0 wlan0: 2 RCR=0x553f00e
[ 253.436347] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 6 times)
[ 354.796336] e1000e: eth0 NIC Link is Down
[ 355.289572] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready (repeated 2 times)
[ 355.766426] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 7 times)
[ 604.735424] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1020.413046] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 2 times)
[ 1447.413629] r8712u: module is from the staging directory, the quality is unknown, you have been warned.
[ 1447.414604] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 1447.414610] usb 1-3.3: r8712u: USB_SPEED_HIGH with 4 endpoints
[ 1447.415169] usb 1-3.3: r8712u: Boot from EFUSE: Autoload OK
[ 1447.865302] usb 1-3.3: r8712u: CustomerID = 0x0010
[ 1447.865310] usb 1-3.3: r8712u: MAC Address from efuse =
[ 1447.865316] usb 1-3.3: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[ 1448.079037] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1448.784428] r8712u 1-3.3:1.0 wlan0: 1 RCR=0x153f00e
[ 1448.785170] r8712u 1-3.3:1.0 wlan0: 2 RCR=0x553f00e
[ 1448.892384] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 3 times)
[ 1732.652796] r8712u: module is from the staging directory, the quality is unknown, you have been warned.
[ 1732.653771] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 1732.653777] usb 1-3.3: r8712u: USB_SPEED_HIGH with 4 endpoints
[ 1732.654323] usb 1-3.3: r8712u: Boot from EFUSE: Autoload OK
[ 1733.065831] usb 1-3.3: r8712u: CustomerID = 0x0010
[ 1733.065839] usb 1-3.3: r8712u: MAC Address from efuse =
[ 1733.065845] usb 1-3.3: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[ 1733.101181] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1733.808456] r8712u 1-3.3:1.0 wlan0: 1 RCR=0x153f00e
[ 1733.809196] r8712u 1-3.3:1.0 wlan0: 2 RCR=0x553f00e
[ 1733.916265] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 4 times)
[ 2012.843797] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
########## wireless info END ############
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