networking - "Wi-Fi networks not ready" in Ubuntu 16.04 - Ask Ubuntu

i installed ubuntu 16.04. after installing it, cannot connect wifi. saying "wi-fi networks not ready".

here script output have asked

##### rfkill ############################  0: ideapad_wlan: wireless lan    soft blocked: no    hard blocked: no 1: ideapad_bluetooth: bluetooth    soft blocked: yes    hard blocked: no 3: phy0: wireless lan    soft blocked: no    hard blocked: no   ##### lsmod #############################   iwldvm                233472  0  mac80211              737280  1 iwldvm  iwlwifi               200704  1 iwldvm  cfg80211              565248  3 iwlwifi,mac80211,iwldvm  ideapad_laptop         24576  0  sparse_keymap          16384  1 ideapad_laptop  mxm_wmi                16384  1 nouveau  video                  40960  3 i915,ideapad_laptop,nouveau  wmi                    20480  3 ideapad_laptop,mxm_wmi,nouveau   ##### interfaces ########################   auto lo  iface lo inet loopback   ##### ifconfig ##########################   enp7s0    link encap:ethernet  hwaddr <mac 'enp7s0' [if1]>              inet addr:192.168.0.2  bcast:192.168.0.255  mask:255.255.255.0            inet6 addr: 2600:8804:1080:1d0:8b2c:f7ce:e6a3:ab8d/64           scope  :global         inet6 addr: 2600:8804:1080:1d0:4d45:dcd3:e882:b41c/64 scope:global       inet6 addr: 2600:8804:1080:1d0:4947:4e92:1188:1336/64 scope:global       inet6 addr: fe80::f9cb:6be0:10ac:4937/64 scope:link       inet6 addr: 2600:8804:1080:1d0:cc2e:e7fe:725:14a4/64 scope:global       broadcast running multicast  mtu:1500  metric:1       rx packets:7676 errors:0 dropped:0 overruns:0 frame:0       tx packets:5129 errors:0 dropped:0 overruns:0 carrier:0       collisions:0 txqueuelen:1000        rx bytes:7848190 (7.8 mb)  tx bytes:659611 (659.6 kb)       interrupt:16    wlp8s0    link encap:ethernet  hwaddr <mac 'wlp8s0' [if2]>         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)   ##### iwconfig ##########################  enp7s0    no wireless extensions.  lo        no wireless extensions.  wlp8s0    ieee 802.11bgn  essid:off/any         mode:managed  access point: not-associated   tx-power=0 dbm          retry short limit:7   rts thr:off   fragment thr:off       power management:off    ##### route #############################   kernel ip routing table destination     gateway         genmask         flags metric ref    use   iface 0.0.0.0         192.168.0.1     0.0.0.0         ug    100    0        0   enp7s0 169.254.0.0     0.0.0.0         255.255.0.0     u     1000   0        0 enp7s0 192.168.0.0     0.0.0.0         255.255.255.0   u     100    0        0 enp7s0  ##### resolv.conf #######################  nameserver 127.0.1.1  ##### network managers ##################  installed:  networkmanager  running:  root      8052     1  0 21:23 ?        00:00:00 /usr/sbin/networkmanager     --no-daemon  ##### networkmanager info ###############  general.device:                         enp7s0 general.type:                           ethernet general.nm-type:                        nmdeviceethernet general.vendor:                         broadcom corporation general.product:                        netlink bcm57781 gigabit ethernet      pcie general.driver:                         tg3 general.driver-version:                 3.137 general.firmware-version:               sb general.hwaddr:                         <mac 'enp7s0' [if1]> general.mtu:                            1500 general.state:                          100 (connected) general.reason:                         0 (no reason given) general.udi:                            /virtual/device/placeholder/1 general.ip-iface:                       enp7s0 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:                     enp7s0 general.con-uuid:                       c4a074d3-9e31-453a-   9c8 0-3871b56b5619 general.con-path:                       /org/freedesktop/networkmanager /activeconnection/0 general.metered:                        no (guessed) capabilities.carrier-detect:            yes capabilities.speed:                     1000 mb/s capabilities.is-software:               no wired-properties.carrier:               on connections.available-connection-paths: /org/freedesktop/networkmanager/settings/{1,0} connections.available-connections[1]:   c4a074d3-9e31-453a-9c80-3871b56b5619 | enp7s0 connections.available-connections[2]:   bff8e195-f3a8-4b00-9dec-7f2ca92bd43f | wired connection 1  ip4.address[1]:                         192.168.0.2/24 ip4.gateway:                            192.168.0.1 ip4.route[1]:                           dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000 ip4.dns[1]:                             68.105.28.11 ip4.dns[2]:                             68.105.29.11 ip4.dns[3]:                             68.105.28.12 dhcp4.option[1]:                        requested_routers = 1 dhcp4.option[2]:                        requested_domain_search = 1 dhcp4.option[3]:                        requested_time_offset = 1 dhcp4.option[4]:                        requested_domain_name = 1  dhcp4.option[5]:                          requested_rfc3442_classless_static_routes = 1 dhcp4.option[6]:                        requested_broadcast_address = 1 dhcp4.option[7]:                        host_name = ubuntu dhcp4.option[8]:                        requested_wpad = 1 dhcp4.option[9]:                        requested_netbios_scope = 1 dhcp4.option[10]:                       next_server = 192.168.0.1 dhcp4.option[11]:                       expiry = 1478903026 dhcp4.option[12]:                       requested_interface_mtu = 1 dhcp4.option[13]:                       requested_subnet_mask = 1 dhcp4.option[14]:                       dhcp_lease_time = 3600 dhcp4.option[15]:                       dhcp_message_type = 5 dhcp4.option[16]:                       ip_address = 192.168.0.2 dhcp4.option[17]:                       requested_static_routes = 1 dhcp4.option[18]:                       requested_domain_name_servers = 1 dhcp4.option[19]:                       routers = 192.168.0.1 dhcp4.option[20]:                       broadcast_address = 192.168.0.255 dhcp4.option[21]:                       requested_ntp_servers = 1 dhcp4.option[22]:                       requested_netbios_name_servers = 1 dhcp4.option[23]:                       domain_name_servers = 68.105.28.11 68.105.29.11 68.105.28.12 dhcp4.option[24]:                       requested_ms_classless_static_routes = 1 dhcp4.option[25]:                       subnet_mask = 255.255.255.0 dhcp4.option[26]:                       network_number = 192.168.0.0 dhcp4.option[27]:                       requested_host_name = 1 dhcp4.option[28]:                       dhcp_server_identifier = 192.168.0.1 ip6.address[1]:                         2600:8804:1080:1d0:4947:4e92:1188:1336/64 ip6.address[2]:                         2600:8804:1080:1d0:cc2e:e7fe:725:14a4/64 ip6.address[3]:                         2600:8804:1080:1d0:8b2c:f7ce:e6a3:ab8d/64 ip6.address[4]:                         2600:8804:1080:1d0:4d45:dcd3:e882:b41c/64 ip6.address[5]:                         fe80::f9cb:6be0:10ac:4937/64 ip6.gateway:                            fe80::5e8f:e0ff:fe59:474 ip6.dns[1]:                             2001:578:3f::30 ip6.dns[2]:                             2001:578:3f:1::30 dhcp6.option[1]:                        requested_dhcp6_domain_search = 1 dhcp6.option[2]:                        dhcp6_name_servers = 2001:578:3f::30 2001:578:3f:1::30 dhcp6.option[3]:                        dhcp6_preference = 0 dhcp6.option[4]:                        requested_dhcp6_client_id = 1 dhcp6.option[5]:                        requested_dhcp6_name_servers = 1 dhcp6.option[6]:                        dhcp6_server_id = 0:1:0:1:1f:b3:d7:10:5c:8f:e0:59:4:74 dhcp6.option[7]:                        dhcp6_client_id = 0:4:35:41:54:c:db:6:c6:7e:ca:72:7b:88:54:bc:39:82  general.device:                         wlp8s0 general.type:                           wifi general.nm-type:                        nmdevicewifi general.vendor:                         intel corporation general.product:                        centrino wireless-n 1000 [condor peak] (centrino wireless-n 1000 bgn) general.driver:                         iwlwifi general.driver-version:                 4.4.0-31-generic general.firmware-version:               39.31.5.1 build 35138 general.hwaddr:                         <mac 'wlp8s0' [if2]> general.mtu:                            1500 general.state:                          20 (unavailable) general.reason:                         2 (device managed) general.udi:                            /sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/net/wlp8s0 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:            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:   ssid  bssid  mode  chan  freq  rate  signal  bars  security  active  *   ##### networkmanager.state ##############  [main] networkingenabled=true wirelessenabled=true wwanenabled=true  ##### networkmanager.conf ###############  [main] plugins=ifupdown,keyfile,ofono dns=dnsmasq  [ifupdown] managed=false  ##### networkmanager profiles ###########  ##### iw reg ########################  region: etc/utc (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 ###################  enp7s0    no frequency information.  lo        no frequency information.  wlp8s0    13 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  ##### iwlist scan #######################  enp7s0    interface doesn't support scanning.  lo        interface doesn't support scanning.  wlp8s0    interface doesn't support scanning : network down  ##### module infos ######################  [iwldvm] filename:       /lib/modules/4.4.0-31-generic/kernel/drivers/net/wireless/iwlwifi/dvm/iwldvm.ko license:        gpl author:         copyright(c) 2003- 2015 intel corporation <ilw@linux.intel.com> description:    intel(r) wireless wifi link agn driver linux srcversion:     6a40b68aaa6792a5bdea010 depends:        mac80211,iwlwifi,cfg80211 intree:         y vermagic:       4.4.0-31-generic smp mod_unload modversions  parm:           force_cam:force continuously aware mode (no power saving @ all) (bool)  [mac80211] filename:       /lib/modules/4.4.0-31-generic/kernel/net/mac80211/mac80211.ko license:        gpl description:    ieee 802.11 subsystem srcversion:     2ffaeed0245ca1d97fe1e44 depends:        cfg80211 intree:         y vermagic:       4.4.0-31-generic smp mod_unload modversions  parm:           minstrel_vht_only:use vht rates when vht supported sta. (bool) parm:           max_nullfunc_tries:maximum nullfunc tx tries before disconnecting (reason 4). (int) parm:           max_probe_tries:maximum probe tries before disconnecting (reason 4). (int) parm:           beacon_loss_count:number of beacon intervals before decide beacon lost. (int) parm:           probe_wait_ms:maximum time(ms) wait probe response before disconnecting (reason 4). (int) parm:           ieee80211_default_rc_algo:default rate control algorithm mac80211 use (charp)  [iwlwifi] filename:       /lib/modules/4.4.0-31-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko license:        gpl author:         copyright(c) 2003- 2015 intel corporation <ilw@linux.intel.com> description:    intel(r) wireless wifi driver linux firmware:       iwlwifi-100-5.ucode firmware:       iwlwifi-1000-5.ucode firmware:       iwlwifi-135-6.ucode firmware:       iwlwifi-105-6.ucode firmware:       iwlwifi-2030-6.ucode firmware:       iwlwifi-2000-6.ucode firmware:       iwlwifi-5150-2.ucode firmware:       iwlwifi-5000-5.ucode firmware:       iwlwifi-6000g2b-6.ucode firmware:       iwlwifi-6000g2a-5.ucode firmware:       iwlwifi-6050-5.ucode firmware:       iwlwifi-6000-4.ucode firmware:       iwlwifi-7265d-13.ucode firmware:       iwlwifi-7265-13.ucode firmware:       iwlwifi-3160-13.ucode firmware:       iwlwifi-7260-13.ucode firmware:       iwlwifi-8000-13.ucode srcversion:     651bf6cbf283f6f817b8f3a depends:        cfg80211 intree:         y vermagic:       4.4.0-31-generic smp mod_unload modversions  parm:           swcrypto:using crypto in software (default 0 [hardware]) (int) parm:           11n_disable:disable 11n functionality, bitmap: 1: full, 2: disable agg tx, 4: disable agg rx, 8 enable agg tx (uint) parm:           amsdu_size_8k:enable 8k amsdu size (default 0) (int) parm:           fw_restart:restart firmware in case of error (default true) (bool) parm:           antenna_coupling:specify antenna coupling in db (default: 0 db) (int) parm:           nvm_file:nvm file name (charp) parm:           d0i3_disable:disable d0i3 functionality (default: y) (bool) parm:           lar_disable:disable lar functionality (default: n) (bool) parm:           uapsd_disable:disable u-apsd functionality (default: y) (bool) parm:           bt_coex_active:enable wifi/bt co-exist (default: enable) (bool) parm:           led_mode:0=system default, 1=on(rf on)/off(rf off), 2=blinking, 3=off (default: 0) (int) parm:           power_save:enable wifi power management (default: disable) (bool) parm:           power_level:default power save level (range 1 - 5, default: 1) (int) parm:           fw_monitor:firmware monitor - debug fw (default: false - needs lots of memory) (bool)  [cfg80211] filename:       /lib/modules/4.4.0-31-generic/kernel/net/wireless/cfg80211.ko description:    wireless configuration support license:        gpl author:         johannes berg srcversion:     25a45701aaa64dac1e47d9d depends:         intree:         y vermagic:       4.4.0-31-generic smp mod_unload modversions  parm:           ieee80211_regdom:ieee 802.11 regulatory domain code (charp) parm:           cfg80211_disable_40mhz_24ghz:disable 40mhz support in 2.4ghz band (bool)  ##### module parameters #################  [iwldvm] force_cam: y  [mac80211] beacon_loss_count: 7 ieee80211_default_rc_algo: minstrel_ht max_nullfunc_tries: 2 max_probe_tries: 5 minstrel_vht_only: y probe_wait_ms: 500  [iwlwifi] 11n_disable: 0 amsdu_size_8k: 0 antenna_coupling: 0 bt_coex_active: y d0i3_disable: y fw_monitor: n fw_restart: y lar_disable: n led_mode: 0 nvm_file: (null) power_level: 0 power_save: n swcrypto: 0 uapsd_disable: y  [cfg80211] cfg80211_disable_40mhz_24ghz: n ieee80211_regdom: 00  ##### /etc/modules ######################  ##### modprobe options ##################  [/etc/modprobe.d/blacklist-ath_pci.conf] blacklist ath_pci  [/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 bcm43xx 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 ########################  ##### dmesg #############################  [  476.521273] iwlwifi 0000:08:00.0: 0x00000000 | l2p_duration [  476.521278] iwlwifi 0000:08:00.0: 0x00000000 | l2p_mhvalid [  476.521282] iwlwifi 0000:08:00.0: 0x00100040 | l2p_addr_match [  476.521287] iwlwifi 0000:08:00.0: 0x00000007 | lmpm_pmg_sel [  476.521291] iwlwifi 0000:08:00.0: 0x00000000 | timestamp [  476.521296] iwlwifi 0000:08:00.0: 0x0000f808 | flow_handler [  476.521372] iwlwifi 0000:08:00.0: start iwl event log dump: display last 5 entries [  476.521400] iwlwifi 0000:08:00.0: evt_logt:0000000000:0x0000028c:0117 [  476.521417] iwlwifi 0000:08:00.0: evt_logt:0000000021:0x00000000:1208 [  476.521435] iwlwifi 0000:08:00.0: evt_logt:0000001002:0x00000001:0071 [  476.521452] iwlwifi 0000:08:00.0: evt_logt:0000001078:0x00000002:0071 [  476.521469] iwlwifi 0000:08:00.0: evt_logt:0000001084:0x00000000:0125 [  476.521818] iwlwifi 0000:08:00.0: failed run init ucode: -5 [  476.521836] iwlwifi 0000:08:00.0: unable initialize device. [  476.522471] iwlwifi 0000:08:00.0: l1 enabled - ltr disabled (repeated 2 times) [  476.530179] iwlwifi 0000:08:00.0: radio type=0x0-0x0-0x3 [  476.538580] iwlwifi 0000:08:00.0: microcode sw error detected.  restarting 0x82000000. [  476.538592] iwlwifi 0000:08:00.0: csr values: [  476.538597] iwlwifi 0000:08:00.0: (2nd byte of csr_int_coalescing csr_int_periodic_reg) [  476.538607] iwlwifi 0000:08:00.0:        csr_hw_if_config_reg: 0x00c8330c [  476.538617] iwlwifi 0000:08:00.0:          csr_int_coalescing: 0x00000040 [  476.538690] iwlwifi 0000:08:00.0:                     csr_int: 0x80000000 [  476.538699] iwlwifi 0000:08:00.0:                csr_int_mask: 0x00000000 [  476.538708] iwlwifi 0000:08:00.0:           csr_fh_int_status: 0x40010000 [  476.538718] iwlwifi 0000:08:00.0:                 csr_gpio_in: 0x00000000 [  476.538730] iwlwifi 0000:08:00.0:                   csr_reset: 0x00000000 [  476.538743] iwlwifi 0000:08:00.0:                csr_gp_cntrl: 0x080403c5 [  476.538756] iwlwifi 0000:08:00.0:                  csr_hw_rev: 0x0000006c [  476.538776] iwlwifi 0000:08:00.0:              csr_eeprom_reg: 0xc63f3885 [  476.538795] iwlwifi 0000:08:00.0:               csr_eeprom_gp: 0x90000001 [  476.538808] iwlwifi 0000:08:00.0:              csr_otp_gp_reg: 0x00210801 [  476.538821] iwlwifi 0000:08:00.0:                 csr_gio_reg: 0x00080046 [  476.538846] iwlwifi 0000:08:00.0:            csr_gp_ucode_reg: 0x00000000 [  476.538858] iwlwifi 0000:08:00.0:           csr_gp_driver_reg: 0x00000000 [  476.538871] iwlwifi 0000:08:00.0:           csr_ucode_drv_gp1: 0x00000000 [  476.538882] iwlwifi 0000:08:00.0:           csr_ucode_drv_gp2: 0x00000000 [  476.538901] iwlwifi 0000:08:00.0:                 csr_led_reg: 0x00000018 [  476.538914] iwlwifi 0000:08:00.0:        csr_dram_int_tbl_reg: 0x00000000 [  476.538927] iwlwifi 0000:08:00.0:        csr_gio_chicken_bits: 0x27800200 [  476.538940] iwlwifi 0000:08:00.0:             csr_ana_pll_cfg: 0x00880300 [  476.538958] iwlwifi 0000:08:00.0:      csr_monitor_status_reg: 0x53f7f757 [  476.538971] iwlwifi 0000:08:00.0:           csr_hw_rev_wa_reg: 0x0001001a [  476.538984] iwlwifi 0000:08:00.0:        csr_dbg_hpet_mem_reg: 0xffff0000 [  476.539002] iwlwifi 0000:08:00.0: fh register values: [  476.539030] iwlwifi 0000:08:00.0:         fh_rscsr_chnl0_stts_wptr_reg: 0x233fe800 [  476.539056] iwlwifi 0000:08:00.0:        fh_rscsr_chnl0_rbdcb_base_reg: 0x0233bd60 [  476.539083] iwlwifi 0000:08:00.0:                  fh_rscsr_chnl0_wptr: 0x000000f8 [  476.539110] iwlwifi 0000:08:00.0:         fh_mem_rcsr_chnl0_config_reg: 0x80801114 [  476.539134] iwlwifi 0000:08:00.0:          fh_mem_rssr_shared_ctrl_reg: 0x000000fc [  476.539155] iwlwifi 0000:08:00.0:            fh_mem_rssr_rx_status_reg: 0x07030000 [  476.539176] iwlwifi 0000:08:00.0:    fh_mem_rssr_rx_enable_err_irq2drv: 0x00000000 [  476.539198] iwlwifi 0000:08:00.0:                fh_tssr_tx_status_reg: 0x07ff0001 [  476.539219] iwlwifi 0000:08:00.0:                 fh_tssr_tx_error_reg: 0x00000000 [  476.539226] iwlwifi 0000:08:00.0: loaded firmware version: 39.31.5.1 build 35138 [  476.539394] iwlwifi 0000:08:00.0: start iwl error log dump: [  476.539399] iwlwifi 0000:08:00.0: status: 0x00000000, count: 5 [  476.539404] iwlwifi 0000:08:00.0: 0x00000005 | sysassert                    [  476.539410] iwlwifi 0000:08:00.0: 0x00016e00 | upc [  476.539414] iwlwifi 0000:08:00.0: 0x00016e00 | branchlink1 [  476.539419] iwlwifi 0000:08:00.0: 0x00016e00 | branchlink2 [  476.539423] iwlwifi 0000:08:00.0: 0x00000000 | interruptlink1 [  476.539427] iwlwifi 0000:08:00.0: 0x00000000 | interruptlink2 [  476.539432] iwlwifi 0000:08:00.0: 0x00000000 | data1 [  476.539436] iwlwifi 0000:08:00.0: 0x00000000 | data2 [  476.539440] iwlwifi 0000:08:00.0: 0x00000616 | line [  476.539445] iwlwienter code herefi 0000:08:00.0: 0x00018bca | beacon time [  476.539449] iwlwifi 0000:08:00.0: 0x00000436 | tsf low [  476.539454] iwlwifi 0000:08:00.0: 0x00000000 | tsf hi [  476.539458] iwlwifi 0000:08:00.0: 0x00000000 | time gp1 [  476.539462] iwlwifi 0000:08:00.0: 0x0000043a | time gp2 [  476.539467] iwlwifi 0000:08:00.0: 0x00000000 | time gp3 [  476.539471] iwlwifi 0000:08:00.0: 0x0001271f | ucode version [  476.539476] iwlwifi 0000:08:00.0: 0x0000006c | hw version [  476.539480] iwlwifi 0000:08:00.0: 0x00c8330c | board version [  476.539485] iwlwifi 0000:08:00.0: 0x00000000 | hcmd [  476.539489] iwlwifi 0000:08:00.0: 0x00122000 | isr0 [  476.539493] iwlwifi 0000:08:00.0: 0x00000000 | isr1 [  476.539498] iwlwifi 0000:08:00.0: 0x00000002 | isr2 [  476.539502] iwlwifi 0000:08:00.0: 0x004400c0 | isr3 [  476.539506] iwlwifi 0000:08:00.0: 0x00000000 | isr4 [  476.539511] iwlwifi 0000:08:00.0: 0x00000000 | isr_pref [  476.539516] iwlwifi 0000:08:00.0: 0x00002bfe | wait_event [  476.539521] iwlwifi 0000:08:00.0: 0x00000000 | l2p_control [  476.539528] iwlwifi 0000:08:00.0: 0x00000000 | l2p_duration [  476.539533] iwlwifi 0000:08:00.0: 0x00000000 | l2p_mhvalid [  476.539537] iwlwifi 0000:08:00.0: 0x00100040 | l2p_addr_match [  476.539542] iwlwifi 0000:08:00.0: 0x00000007 | lmpm_pmg_sel [  476.539546] iwlwifi 0000:08:00.0: 0x00000000 | timestamp [  476.539551] iwlwifi 0000:08:00.0: 0x0000f808 | flow_handler [  476.539627] iwlwifi 0000:08:00.0: start iwl event log dump: display last 5 entries [  476.539655] iwlwifi 0000:08:00.0: evt_logt:0000000000:0x0000028c:0117 [  476.539673] iwlwifi 0000:08:00.0: evt_logt:0000000021:0x00000000:1208 [  476.539690] iwlwifi 0000:08:00.0: evt_logt:0000001003:0x00000001:0071 [  476.539707] iwlwifi 0000:08:00.0: evt_logt:0000001079:0x00000002:0071 [  476.539724] iwlwifi 0000:08:00.0: evt_logt:0000001085:0x00000000:0125 [  476.540025] iwlwifi 0000:08:00.0: failed run init ucode: -5 [  476.540039] iwlwifi 0000:08:00.0: unable initialize device.  ########## wireless info end ############ 

i have exact same problem. solve problem restarting network manager.

sudo service network-manager restart