Ubuntu: WiFi problem in ubuntu 14.04 Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection



Question:

My WiFi connect is slow, block. I install a fresh Ubuntu copy.

This is my config: can someone help me?

########## wireless info START ##########    Report from: 04 May 2015 16:03 EEST +0300    Booted last: 04 May 2015 15:54 EEST +0300    Script from: 30 Apr 2015 17:23 UTC +0000    ##### release ###########################    Distributor ID: Ubuntu  Description:    Ubuntu 14.04.2 LTS  Release:    14.04  Codename:   trusty    ##### kernel ############################    Linux 3.13.0-51-generic #84-Ubuntu SMP Wed Apr 15 12:11:46 UTC 2015 i686 i686 i686 GNU/Linux    Parameters: ro, quiet, splash, vt.handoff=7    ##### desktop ###########################    Ubuntu    ##### lspci #############################    04:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8055 PCI-E Gigabit Ethernet Controller [11ab:4363] (rev 14)      Subsystem: Fujitsu Limited. Device [10cf:139a]      Kernel driver in use: sky2    0c:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection [8086:4229] (rev 61)      Subsystem: Intel Corporation PRO/Wireless 4965 AG or AGN [8086:1101]      Kernel driver in use: iwl4965    ##### lsusb #############################    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  Bus 007 Device 002: ID 1199:6832 Sierra Wireless, Inc. MC8780 Device  Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub  Bus 006 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse  Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub  Bus 005 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501 Fingerprint Sensor  Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub  Bus 001 Device 003: ID 046d:09b2 Logitech, Inc. Fujitsu Webcam  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 002: ID 0c24:000f Taiyo Yuden Bluetooth Device (V2.0+EDR)  Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub    ##### PCMCIA card info ##################    PRODID_1=""  PRODID_2=""  PRODID_3=""  PRODID_4=""  MANFID=0000,0000  FUNCID=255    ##### rfkill ############################    0: hci0: Bluetooth      Soft blocked: no      Hard blocked: no  1: phy0: Wireless LAN      Soft blocked: no      Hard blocked: no    ##### lsmod #############################    iwl4965               106859  0   iwlegacy               88016  1 iwl4965  mac80211              546067  2 iwl4965,iwlegacy  cfg80211              409394  3 iwl4965,iwlegacy,mac80211    ##### interfaces ########################    auto lo  iface lo inet loopback    ##### ifconfig ##########################    eth0      Link encap:Ethernet  HWaddr <MAC 'eth0' [IF]>              inet addr:192.168.16.100  Bcast:192.168.16.255  Mask:255.255.255.0            inet6 addr: fe80::217:42ff:fe75:ffb4/64 Scope:Link            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1            RX packets:35142 errors:0 dropped:0 overruns:0 frame:0            TX packets:24967 errors:0 dropped:0 overruns:0 carrier:0            collisions:0 txqueuelen:1000             RX bytes:43038297 (43.0 MB)  TX bytes:2552408 (2.5 MB)            Interrupt:16     wlan0     Link encap:Ethernet  HWaddr <MAC 'wlan0' [IF]>              inet addr:192.168.16.102  Bcast:192.168.16.255  Mask:255.255.255.0            inet6 addr: fe80::21d:e0ff:fe31:7c47/64 Scope:Link            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1            RX packets:760 errors:0 dropped:0 overruns:0 frame:0            TX packets:718 errors:0 dropped:0 overruns:0 carrier:0            collisions:0 txqueuelen:1000             RX bytes:754054 (754.0 KB)  TX bytes:75922 (75.9 KB)    ##### iwconfig ##########################    lo        no wireless extensions.    eth0      no wireless extensions.    wlan0     IEEE 802.11abgn  ESSID:"Rlink"              Mode:Managed  Frequency:2.412 GHz  Access Point: <MAC 'Rlink' [AC1]>               Bit Rate=52 Mb/s   Tx-Power=15 dBm               Retry  long limit:7   RTS thr:off   Fragment thr:off            Power Management:off            Link Quality=70/70  Signal level=-30 dBm              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0            Tx excessive retries:0  Invalid misc:54   Missed beacon:0    ##### route #############################    Kernel IP routing table  Destination     Gateway         Genmask         Flags Metric Ref    Use Iface  0.0.0.0         192.168.16.1    0.0.0.0         UG    0      0        0 eth0  192.168.16.0    0.0.0.0         255.255.255.0   U     1      0        0 eth0  192.168.16.0    0.0.0.0         255.255.255.0   U     9      0        0 wlan0    ##### resolv.conf #######################    nameserver 127.0.1.1  search RalinkAP    ##### NetworkManager info ###############    NetworkManager Tool    State: connected (global)    - Device: wlan0  [Rlink 1] -----------------------------------------------------    Type:              802.11 WiFi    Driver:            iwl4965    State:             connected    Default:           no    HW Address:        <MAC 'wlan0' [IF]>      Capabilities:      Speed:           52 Mb/s      Wireless Properties      WEP Encryption:  yes      WPA Encryption:  yes      WPA2 Encryption: yes      Wireless Access Points (* = current AP)      TP-LINK_C08FDA:  Infra, <MAC 'TP-LINK_C08FDA' [AC2]>, Freq 2412 MHz, Rate 54 Mb/s, Strength 72 WPA WPA2      TP-LINK_A4C78A:  Infra, <MAC 'TP-LINK_A4C78A' [AC3]>, Freq 2427 MHz, Rate 54 Mb/s, Strength 25 WPA2      Clicknet-9B5C:   Infra, <MAC 'Clicknet-9B5C' [AC4]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 22 WPA2      TP-LINK_408CA2:  Infra, <MAC 'TP-LINK_408CA2' [AC5]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 19 WPA WPA2      *Rlink:          Infra, <MAC 'Rlink' [AC1]>, Freq 2412 MHz, Rate 54 Mb/s, Strength 93 WPA WPA2      IPv4 Settings:      Address:         192.168.16.102      Prefix:          24 (255.255.255.0)      Gateway:         192.168.16.1        DNS:             192.168.16.1    - Device: eth0  [Conexiune cu fir 1] -------------------------------------------    Type:              Wired    Driver:            sky2    State:             connected    Default:           yes    HW Address:        <MAC 'eth0' [IF]>      Capabilities:      Carrier Detect:  yes      Speed:           100 Mb/s      Wired Properties      Carrier:         on      IPv4 Settings:      Address:         192.168.16.100      Prefix:          24 (255.255.255.0)      Gateway:         192.168.16.1        DNS:             192.168.16.1    ##### 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/Rlink 2]] (600 root)  [connection] id=Rlink 2 | type=802-11-wireless  [802-11-wireless] ssid=Rlink | mac-address=<MAC 'wlan0' [IF]>  [ipv4] method=auto  [ipv6] method=auto    [[/etc/NetworkManager/system-connections/Rlink]] (600 root)  [connection] id=Rlink | type=802-11-wireless  [802-11-wireless] ssid=Rlink | mac-address=<MAC 'wlan0' [IF]>  [ipv4] method=auto  [ipv6] method=auto    [[/etc/NetworkManager/system-connections/Rlink 1]] (600 root)  [connection] id=Rlink 1 | type=802-11-wireless  [802-11-wireless] ssid=Rlink | mac-address=<MAC 'wlan0' [IF]>  [ipv4] method=auto  [ipv6] method=auto    ##### iw reg get ########################    Region: Europe/Bucharest (based on set time zone)    country TW:      (2402 - 2472 @ 40), (3, 27)      (5270 - 5330 @ 40), (3, 17), DFS      (5735 - 5815 @ 40), (3, 30)    ##### 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 56 : 5.28 GHz            Channel 60 : 5.3 GHz            Channel 64 : 5.32 GHz            Current Frequency=2.412 GHz (Channel 1)    ##### iwlist scan #######################    Channel occupancy:          2   APs on   Frequency:2.412 GHz (Channel 1)        1   APs on   Frequency:2.427 GHz (Channel 4)        1   APs on   Frequency:2.437 GHz (Channel 6)        1   APs on   Frequency:2.462 GHz (Channel 11)    wlan0     Scan completed :            Cell 01 - Address: <MAC 'Rlink' [AC1]>                      Channel:1                      Frequency:2.412 GHz (Channel 1)                      Quality=70/70  Signal level=-28 dBm                        Encryption key:on                      ESSID:"Rlink"                      Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s                                18 Mb/s; 36 Mb/s; 54 Mb/s                      Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s                      Mode:Master                      Extra:tsf=00000001bd449b5c                      Extra: Last beacon: 76ms ago                      IE: WPA Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK                      IE: IEEE 802.11i/WPA2 Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK            Cell 02 - Address: <MAC 'TP-LINK_C08FDA' [AC2]>                      Channel:1                      Frequency:2.412 GHz (Channel 1)                      Quality=40/70  Signal level=-70 dBm                        Encryption key:on                      ESSID:"TP-LINK_C08FDA"                      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                      Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s                      Mode:Master                      Extra:tsf=000000e0fa910d5b                      Extra: Last beacon: 76ms ago                      IE: IEEE 802.11i/WPA2 Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK                      IE: WPA Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK            Cell 03 - Address: <MAC 'TP-LINK_A4C78A' [AC3]>                      Channel:4                      Frequency:2.427 GHz (Channel 4)                      Quality=22/70  Signal level=-88 dBm                        Encryption key:on                      ESSID:"TP-LINK_A4C78A"                      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                      Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s                      Mode:Master                      Extra:tsf=00000087e78088db                      Extra: Last beacon: 76ms ago                      IE: IEEE 802.11i/WPA2 Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK            Cell 04 - Address: <MAC 'Clicknet-9B5C' [AC4]>                      Channel:6                      Frequency:2.437 GHz (Channel 6)                      Quality=21/70  Signal level=-89 dBm                        Encryption key:on                      ESSID:"Clicknet-9B5C"                      Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s                                24 Mb/s; 36 Mb/s; 54 Mb/s                      Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s                      Mode:Master                      Extra:tsf=000000e0f90e677d                      Extra: Last beacon: 76ms ago                      IE: IEEE 802.11i/WPA2 Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK            Cell 05 - Address: <MAC 'TP-LINK_408CA2' [AC5]>                      Channel:11                      Frequency:2.462 GHz (Channel 11)                      Quality=23/70  Signal level=-87 dBm                        Encryption key:on                      ESSID:"TP-LINK_408CA2"                      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                      Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s                      Mode:Master                      Extra:tsf=000000dd429a36f2                      Extra: Last beacon: 76ms ago                      IE: IEEE 802.11i/WPA2 Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK    eth0      Interface doesn't support scanning.    0000008000000000000000000000                      IE: WPA Version 1                          Group Cipher : CCMP                          Pairwise Ciphers (1) : CCMP                          Authentication Suites (1) : PSK    ##### module infos ######################    [iwl4965]  filename:       /lib/modules/3.13.0-51-generic/kernel/drivers/net/wireless/iwlegacy/iwl4965.ko  firmware:       iwlwifi-4965-2.ucode  license:        GPL  author:         Copyright(c) 2003-2011 Intel Corporation <ilw@linux.intel.com>  version:        in-tree:  description:    Intel(R) Wireless WiFi 4965 driver for Linux  srcversion:     0C07ED8F3D47BC4C25E124D  depends:        iwlegacy,cfg80211,mac80211  intree:         Y  vermagic:       3.13.0-51-generic SMP mod_unload modversions 686   signer:         Magrathea: Glacier signing key  sig_key:        1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58  sig_hashalgo:   sha512  parm:           swcrypto:using crypto in software (default 0 [hardware]) (int)  parm:           queues_num:number of hw queues. (int)  parm:           11n_disable:disable 11n functionality (int)  parm:           amsdu_size_8K:enable 8K amsdu size (int)  parm:           fw_restart:restart firmware in case of error (int)    [iwlegacy]  filename:       /lib/modules/3.13.0-51-generic/kernel/drivers/net/wireless/iwlegacy/iwlegacy.ko  license:        GPL  author:         Copyright(c) 2003-2011 Intel Corporation <ilw@linux.intel.com>  version:        in-tree:  description:    iwl-legacy: common functions for 3945 and 4965  srcversion:     A847A747E4E6066D74E1D6A  depends:        mac80211,cfg80211  intree:         Y  vermagic:       3.13.0-51-generic SMP mod_unload modversions 686   signer:         Magrathea: Glacier signing key  sig_key:        1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58  sig_hashalgo:   sha512  parm:           led_mode:0=system default, 1=On(RF On)/Off(RF Off), 2=blinking (int)  parm:           bt_coex_active:enable wifi/bluetooth co-exist (bool)    [mac80211]  filename:       /lib/modules/3.13.0-51-generic/kernel/net/mac80211/mac80211.ko  license:        GPL  description:    IEEE 802.11 subsystem  srcversion:     29A87AE7782ED3657631C32  depends:        cfg80211  intree:         Y  vermagic:       3.13.0-51-generic SMP mod_unload modversions 686   signer:         Magrathea: Glacier signing key  sig_key:        1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58  sig_hashalgo:   sha512  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 we decide beacon was lost. (int)  parm:           probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)  parm:           ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)    [cfg80211]  filename:       /lib/modules/3.13.0-51-generic/kernel/net/wireless/cfg80211.ko  description:    wireless configuration support  license:        GPL  author:         Johannes Berg  srcversion:     176113E009F723E69BE9BAB  depends:          intree:         Y  vermagic:       3.13.0-51-generic SMP mod_unload modversions 686   signer:         Magrathea: Glacier signing key  sig_key:        1F:88:72:3D:CE:40:86:A1:23:03:DA:DD:54:A7:AE:35:E9:E4:4D:58  sig_hashalgo:   sha512  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 #################    [iwl4965]  11n_disable: 0  amsdu_size_8K: 1  fw_restart: 1  queues_num: 0  swcrypto: 0    [iwlegacy]  bt_coex_active: Y  led_mode: 0    [mac80211]  beacon_loss_count: 7  ieee80211_default_rc_algo: minstrel_ht  max_nullfunc_tries: 2  max_probe_tries: 5  probe_wait_ms: 500    [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.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 ########################    [/etc/udev/rules.d/70-persistent-net.rules]  # PCI device 0x11ab:0x4363 (sky2)  SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'eth0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"  # PCI device 0x8086:0x4229 (iwl4965)  SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'wlan0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"    ##### dmesg #############################    [   18.349457] iwl4965: Intel(R) Wireless WiFi 4965 driver for Linux, in-tree:  [   18.349458] iwl4965: Copyright(c) 2003-2011 Intel Corporation  [   18.349519] iwl4965 0000:0c:00.0: can't disable ASPM; OS doesn't have ASPM control  [   18.349725] iwl4965 0000:0c:00.0: Detected Intel(R) Wireless WiFi Link 4965AGN, REV=0x4  [   18.389866] iwl4965 0000:0c:00.0: device EEPROM VER=0x36, CALIB=0x5  [   18.392593] iwl4965 0000:0c:00.0: Tunable channels: 13 802.11bg, 19 802.11a channels  [   18.392697] iwl4965 0000:0c:00.0: irq 46 for MSI/MSI-X  [   18.765491] iwl4965 0000:0c:00.0: loaded firmware version 228.61.2.24  [   18.778655] ieee80211 phy0: Selected rate control algorithm 'iwl-4965-rs'  [   20.981256] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 2 times)  [   23.276551] wlan0: authenticate with <MAC 'Rlink' [AC1]>  [   23.294555] wlan0: send auth to <MAC 'Rlink' [AC1]> (try 1/3)  [   23.296435] wlan0: authenticated  [   23.300030] wlan0: associate with <MAC 'Rlink' [AC1]> (try 1/3)  [   23.303847] wlan0: RX AssocResp from <MAC 'Rlink' [AC1]> (capab=0x411 status=0 aid=2)  [   23.332798] wlan0: associated  [   23.332830] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready  [  183.831597] wlan0: deauthenticating from <MAC 'Rlink' [AC1]> by local choice (reason=3)  [  472.501407] wlan0: authenticate with <MAC 'Rlink' [AC1]>  [  472.501551] wlan0: send auth to <MAC 'Rlink' [AC1]> (try 1/3)  [  472.503446] wlan0: authenticated  [  472.508053] wlan0: associate with <MAC 'Rlink' [AC1]> (try 1/3)  [  472.511925] wlan0: RX AssocResp from <MAC 'Rlink' [AC1]> (capab=0x411 status=0 aid=2)  [  472.537700] wlan0: associated    ########## wireless info END ############  

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