Ubuntu Intel 3160 AC sem fio funcionando / lento / desconectado / instável

Question

Ubuntu Intel 3160 AC sem fio funcionando / lento / desconectado / instável

#1 resposta do ai20 (1 votos)
#2 resposta do user363217 (1 votos)
#3 resposta do kingfupke (1 votos)
#4 resposta do user3113723 (1 votos)

1

Acabei de comprar uma toshiba l50-b-1q0 com o módulo 3160AC sem fio da Intel.

Eu instalei o Ubuntu 12.04 (eu ouvi que 14 natty é ainda pior) e tentei diferentes kernels: 3.12rc4, 3.11, 3.13.2, 3.17. Mas eu tenho sempre o mesmo problema. A conexão wifi é lenta ou continua desconectando, mas o resultado é que ela está inutilizável. Eu também tentei usar o iwlwifi da versão 3.16.1 e 3.13.2-1 do backports. Sempre o mesmo problema. Também tentei usar o firmware iwlwifi-3160-ucode-9, iwlwifi-3160-ucode-8, iwlwifi-3160-ucode-7 para o kernel 3.11, 3.13.2, 3.12rc4. Sem sorte. Eu tentei também mudar para o wicd ao invés do gerenciador de rede, mas ainda assim o problema é o mesmo.

No momento não sei o que fazer e é muito frustrante. Eu tenho que dizer que eu tenho problema semelhante com uma nova marca hp 15-n234sl com o módulo sem fio Realtek 8188ee. Eu pensei que o problema era o chip Realtek e mudei para o Toshiba porque ele tem o módulo sem fio Intel, que deve ser melhor. Eu começo a pensar que há um problema no Ubuntu com novos módulos sem fio, mas ninguém sabe ou entende isso.

Se você tiver alguma sugestão, por favor me ajude.

No momento, modinfo iwlwifi retorna:

filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko
license:        GPL
author:         Copyright(c) 2003- 2014 Intel Corporation <[email protected]>
version:        in-tree:
description:    Intel(R) Wireless WiFi driver for 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-7265-9.ucode
firmware:       iwlwifi-3165-9.ucode
firmware:       iwlwifi-3160-9.ucode
firmware:       iwlwifi-7260-9.ucode
firmware:       iwlwifi-8000-8.ucode
srcversion:     9D3A59AA6FB332EEE13056A
alias:          pci:v00008086d000024F4sv*sd00000030bc*sc*i*
alias:          pci:v00008086d000024F3sv*sd00000010bc*sc*i*
alias:          pci:v00008086d0000095Asv*sd00005490bc*sc*i*
alias:          pci:v00008086d0000095Bsv*sd00005290bc*sc*i*
...
alias:          pci:v00008086d00004232sv*sd00001201bc*sc*i*
depends:        cfg80211
intree:         Y
vermagic:       3.17.0-031700rc7-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 (defualt: 0 dB) (int)
parm:           wd_disable:Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1) (int)
parm:           nvm_file:NVM file name (charp)
parm:           uapsd_disable:disable U-APSD functionality (default: N) (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 from 1 - 5, default: 1) (int)
parm:           fw_monitor:firmware monitor - to debug FW (default: false - needs lots of memory) (bool)

Eu tentei também o wireless_script que você pode encontrar na web, então este é o resultado wireless-info.txt

    ======== Wireless-Info START ========

System-Info ~~~~~~~~~~~~~~~~~~~~~~~~

andrea-SATELLITE-L50-B 3.17.0-031700rc7-generic x86_64,  Ubuntu 12.04.4 LTS, precise

CPU    : Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz
Memory : 11936 MB
Uptime : 14:00:06 up 30 min,  4 users,  load average: 0.12, 0.17, 0.13


lspci ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

07:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev 83)
    Subsystem: Intel Corporation Dual Band Wireless AC 3160 [8086:8170]
    Kernel driver in use: iwlwifi
08:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
    Subsystem: Toshiba America Info Systems Device [1179:f920]
    Kernel driver in use: r8169


lsusb ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 002 Device 002: ID 0b05:17ab ASUSTek Computer, Inc. 
Bus 002 Device 003: ID 8087:07dc Intel Corp. 
Bus 002 Device 004: ID 04f2:b446 Chicony Electronics Co., Ltd 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub


PCMCIA Card Info ~~~~~~~~~~~~~~~~~~~



iwconfig ~~~~~~~~~~~~~~~~~~~~~~~~~~~

wlan0     IEEE 802.11abgn  ESSID:"Default"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: <MAC C-01 Default>   
          Bit Rate=1 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=26/70  Signal level=-84 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:111  Invalid misc:8703   Missed beacon:0



rfkill ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

      Interface        Soft blocked  Hard blocked
0: hci0: Bluetooth         no            no
1: phy0: Wireless LAN      no            no


lsmod ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

snd_soc_rt5640         93123  0 
snd_soc_core          207547  1 snd_soc_rt5640
snd_soc_rl6231         13037  1 snd_soc_rt5640
snd_pcm               105052  7 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_controller,snd_hda_codec,snd_soc_rt5640,snd_soc_core,snd_pcm_dmaengine
iwlmvm                249097  0 
mac80211              696913  1 iwlmvm
iwlwifi               190863  1 iwlmvm
cfg80211              514757  3 iwlmvm,mac80211,iwlwifi
wmi                    19379  1 toshiba_acpi


module parameters ~~~~~~~~~~~~~~~~~~

cfg80211      (2): 
iwlmvm        (2): 
iwlwifi      (13): 
mac80211      (5): 
snd_pcm       (2): 
wmi           (2): 


nm-tool ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

State: connected (global)
==================o=============o=========o=============o=========o===========o==============o===========
 Interface & ID   | Type        | Driver  | State       | Default | Speed     | Support      | HW Addr   
==================o=============o=========o=============o=========o===========o==============o===========
 eth0             | Wired       | r8169   | unavailable | no      |           |              | <MAC eth0>
------------------+-------------+---------+-------------+---------+-----------+--------------+-----------
 wlan0  [Default] | 802.11 WiFi | iwlwifi | connected   | yes     | 1 Mb/s    | WEP/WPA/WPA2 | <MAC wlan0>

    *Default:        Infra, <MAC C-01 Default>, Freq 2437 MHz, Rate 54 Mb/s, Strength 36 WPA

    Address:         192.168.1.5
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.1.1
    DNS:             192.168.1.1
------------------+-------------+---------+-------------+---------+-----------+--------------+-----------


NetworkManager.state ~~~~~~~~~~~~~~~
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true


NetworkManager.conf ~~~~~~~~~~~~~~~~

[main]
plugins=ifupdown,keyfile
dns=dnsmasq

[ifupdown]
managed=false


NM WiFi Profiles ~~~~~~~~~~~~~~~~~~~

Default              : ssid=Default | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
Default 1            : ssid=Default | mac-address=<MAC wlan1> | ipv4=auto | ipv6=auto 


interfaces ~~~~~~~~~~~~~~~~~~~~~~~~~

auto lo
iface lo inet loopback


resolv.conf ~~~~~~~~~~~~~~~~~~~~~~~~

nameserver 127.0.0.1


Routes & Ping ~~~~~~~~~~~~~~~~~~~~~~

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 wlan0
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 wlan0
192.168.1.0     0.0.0.0         255.255.255.0   U     2      0        0 wlan0

--- 192.168.1.1 ping statistics ---
3 packets transmitted, 2 received, 33% packet loss, time 2009ms
rtt min/avg/max/mdev = 8.531/25.658/42.785/17.127 ms


iw reg get ~~~~~~~~~~~~~~~~~~~~~~~~~

(Region : "en_US.UTF-8")
country 00:
    (2402 - 2472 @ 40), (3, 20)
    (2457 - 2482 @ 20), (3, 20), PASSIVE-SCAN, NO-IBSS
    (2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS
    (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
    (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS


iwlist chan ~~~~~~~~~~~~~~~~~~~~~~~~

wlan0     32 channels in total; available frequencies :
          Channel 01 (2.412 GHz) - 13 (2.472 GHz)
          Channel 36 (5.18 GHz)
          Channel 40 (5.2 GHz)
          Channel 44 (5.22 GHz)
          Channel 48 (5.24 GHz)
          Channel 52 (5.26 GHz)
          Channel 56 (5.28 GHz)
          Channel 60 (5.3 GHz)
          Channel 64 (5.32 GHz)
          Channel 100 (5.5 GHz)
          Channel 104 (5.52 GHz)
          Channel 108 (5.54 GHz)
          Channel 112 (5.56 GHz)
          Channel 116 (5.58 GHz)
          Channel 120 (5.6 GHz)
          Channel 124 (5.62 GHz)
          Channel 128 (5.64 GHz)
          Channel 132 (5.66 GHz)
          Channel 136 (5.68 GHz)
          Channel 140 (5.7 GHz)

          Current Frequency:2.437 GHz (Channel 6)


iwlist scan ~~~~~~~~~~~~~~~~~~~~~~~~

wlan0     Scan completed :
          Cell 01 - Address: <MAC C-01 Default>
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=24/70  Signal level=-86 dBm  
                    Encryption key:on
                    ESSID:"Default"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                              36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000001704620565
                    Extra: Last beacon: 64ms ago
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : PSK


blacklist ~~~~~~~~~~~~~~~~~~~~~~~~~~

[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci

[/etc/modprobe.d/blacklist.conf]
blacklist rtl8192cu


modinfo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[snd_soc_rt5640]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/sound/soc/codecs/snd-soc-rt5640.ko
srcversion:     CB68778F54B557A429DD977
depends:        snd-pcm,snd-soc-core,snd-soc-rl6231

[snd_soc_core]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/sound/soc/snd-soc-core.ko
srcversion:     F61EC7151C3E99E2FD7908E
depends:        snd-pcm,snd-pcm-dmaengine,snd,snd-compress
parm:           pmdown_time:DAPM stream powerdown time (msecs) (int)

[snd_soc_rl6231]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/sound/soc/codecs/snd-soc-rl6231.ko
srcversion:     72E2ED5916DFB5D4813CF01
depends:        

[snd_pcm]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/sound/core/snd-pcm.ko
srcversion:     DFD3D904BAB36EBAEBF16D1
depends:        snd,snd-timer
parm:           preallocate_dma:Preallocate DMA memory when the PCM devices are initialized. (int)
parm:           maximum_substreams:Maximum substreams with preallocated DMA memory. (int)

[iwlmvm]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/drivers/net/wireless/iwlwifi/mvm/iwlmvm.ko
version:        in-tree:
srcversion:     FDB8EF7B15064AB7B96EDF7
depends:        iwlwifi,mac80211,cfg80211
parm:           init_dbg:set to true to debug an ASSERT in INIT fw (default: false (bool)
parm:           power_scheme:power management scheme: 1-active, 2-balanced, 3-low power, default: 2 (int)

[mac80211]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/net/mac80211/mac80211.ko
srcversion:     50BFD5A22F2717F72E28E1A
depends:        cfg80211
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)

[iwlwifi]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko
version:        in-tree:
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-7265-9.ucode
firmware:       iwlwifi-3165-9.ucode
firmware:       iwlwifi-3160-9.ucode
firmware:       iwlwifi-7260-9.ucode
firmware:       iwlwifi-8000-8.ucode
srcversion:     9D3A59AA6FB332EEE13056A
depends:        cfg80211
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 (defualt: 0 dB) (int)
parm:           wd_disable:Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1) (int)
parm:           nvm_file:NVM file name (charp)
parm:           uapsd_disable:disable U-APSD functionality (default: N) (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 from 1 - 5, default: 1) (int)
parm:           fw_monitor:firmware monitor - to debug FW (default: false - needs lots of memory) (bool)

[cfg80211]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/net/wireless/cfg80211.ko
srcversion:     A189C096E57D9F63A205933
depends:        
parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)

[wmi]
filename:       /lib/modules/3.17.0-031700rc7-generic/kernel/drivers/platform/x86/wmi.ko
srcversion:     2E987FE96F7EBB6BFC7E2B2
depends:        
parm:           debug_event:Log WMI Events [0/1] (bool)
parm:           debug_dump_wdg:Dump available WMI interfaces [0/1] (bool)


udev rules ~~~~~~~~~~~~~~~~~~~~~~~~~

# PCI device 0x10ec:/sys/devices/pci0000:00/0000:00:1c.3/0000:08:00.0 (r8169)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC eth0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

# PCI device 0x8086:/sys/devices/pci0000:00/0000:00:1c.2/0000:07:00.0 (iwlwifi)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC wlan0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"

# USB device 0x0b05:0x17ab (usb)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC wlan1>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan1"


Custom files/entries ~~~~~~~~~~~~~~~

/etc/modules        : Default
/etc/rc.local       : Default
/etc/modprobe.d     : Default
/etc/pm/(cnf|pw|sl) : Default


Kernel boot line ~~~~~~~~~~~~~~~~~~~

BOOT_IMAGE=/boot/vmlinuz-3.17.0-031700rc7-generic root=UUID=e758ec89-625a-4515-9969-028465cd807a ro quiet splash vt.handoff=7


dmesg ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[    0.032369] Initializing cgroup subsys net_cls
[    0.032376] Initializing cgroup subsys net_prio
[    0.620306] microcode: Microcode Update Driver: v2.00 <[email protected]>, Peter Oruba
[    0.620781] audit: initializing netlink subsys (disabled)
[    1.184620] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
[    5.735860] wmi: Mapper loaded
[    6.431490] iwlwifi 0000:07:00.0: irq 49 for MSI/MSI-X
[    6.535493] iwlwifi 0000:07:00.0: Direct firmware load for iwlwifi-3160-10.ucode failed with error -2
[    6.535497] iwlwifi 0000:07:00.0: Falling back to user helper
[    6.640417] iwlwifi 0000:07:00.0: loaded firmware version 25.222.9.0 op_mode iwlmvm
[    7.379896] iwlwifi 0000:07:00.0: Detected Intel(R) Dual Band Wireless AC 3160, REV=0x164
[    7.379942] iwlwifi 0000:07:00.0: L1 Disabled; Enabling L0S
[    7.380156] iwlwifi 0000:07:00.0: L1 Disabled; Enabling L0S
[    7.617831] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
[   12.498578] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   14.054253] iwlwifi 0000:07:00.0: L1 Disabled; Enabling L0S
[   14.054470] iwlwifi 0000:07:00.0: L1 Disabled; Enabling L0S
[   14.065086] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   14.119883] r8169 0000:08:00.0: Direct firmware load for rtl_nic/rtl8168g-2.fw failed with error -2
[   14.120838] r8169 0000:08:00.0 eth0: unable to load firmware patch rtl_nic/rtl8168g-2.fw (-11)
[   22.496297] wlan0: authenticate with <MAC C-01 Default>
[   22.498622] wlan0: send auth to <MAC C-01 Default> (try 1/3)
[   22.500202] wlan0: authenticated
[   22.500320] iwlwifi 0000:07:00.0 wlan0: disabling HT/VHT due to WEP/TKIP use
[   22.500323] iwlwifi 0000:07:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
[   22.500325] iwlwifi 0000:07:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
[   22.500639] wlan0: associate with <MAC C-01 Default> (try 1/3)
[   22.503785] wlan0: RX AssocResp from <MAC C-01 Default> (capab=0x451 status=0 aid=2)
[   22.504601] wlan0: associated
[   22.504636] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

    ======== Done ========

por ai20 23.10.2014 / 14:40

4 respostas

Suporte para o Asus Z97-pro? No 100% de uso de memória

score 1 · Answer 1

apenas uma atualização para todos os usuários do Intel Wireless 3160ac (e também do 7260, eu acho). Lendo a partir do relatório de bug: link

Liguei o Ubuntu 14.04 e instalei o Kernel 3.13.0-37_3.13.0-37.64 + iwlltr0001 a partir de: link

então eu instalei o último iwlwifi de backports3.16-1 e o firmware da intel iwlwifi-3160-9-ucode.

Depois disso, digitei um terminal:

$echo "options iwlmvm power_scheme=1" | sudo tee /etc/modprobe.d/iwlmvm.conf e $echo "options iwlwifi bt_coex_active=Y swcrypto=1 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf e $sudo reboot

No momento, depois de mais de 3 horas de teste (navegando continuamente), a conexão wifi é estável (sem desconexões), não tão rápido quanto deveria, mas parece utilizável. Se você tem alguma idéia sobre como melhorar a conexão, por favor me diga.

Espero que alguém ache esta postagem útil.

score 1 · Answer 2

Eu tive um problema semelhante a este. Eu baixei o firmware aqui: link

E copiou o arquivo .ucode para / lib / firmware. Depois de reiniciar tudo funcionou bem. Eu tenho os pacotes linux-firmware e linux-firmaware-nonfree instalados, mas acho que eles podem ter versões mais antigas do firmware.

De qualquer forma, espero que isso ajude alguém com um problema semelhante.

score 1 · Answer 3

Usando o "chipset Intel Wireless 3160ac", não consegui me associar a nenhum AP (ponto de acesso).

Primeiro eu tentei o patch acima (desabilitando 11n) - mas eu não gostei dessa solução, já que eu era forçado a usar uma taxa de bits menor.

Depois de uma pesquisa extra, encontrei o problema - bluetooth. Ele está sendo abordado no driver iwlwifi como o problema de coexistência WiFi / BT.

==== FIX ====
[super fácil] - desativa o sinalizador bt_coex_active:

echo options iwlwifi bt_coex_active=0 | sudo tee /etc/modprobe.d/iwlwifi.conf

score 1 · Answer 4

Tente desativar o bluetooth (com o rfkill, por exemplo).

Eu tive um problema semelhante após a atualização de 14.10 para 15.04. Eu tenho um carbono X1, mas também usa iwlwifi. Eu consertei o problema, desligando o bluetooth com rfkill. A página do driver iwlwifi sugere que o funcionamento do & amp; bluetooth ao mesmo tempo é difícil. Observo que o script informa que seu bluetooth está pelo menos ativado.

Existem alguns parâmetros de driver iwlwifi disponíveis para tentar fazer os dois trabalharem juntos melhor, o que você pode explorar se realmente precisar de bluetooth. Eu não tenho nenhum uso para isso, então eu simplesmente desliguei e tudo estava bem.

Meu palpite sobre o que aconteceu comigo: logo depois que instalei o 14.10, eu removi um monte de pacotes que eu não precisava. Possivelmente, um deles era bluetooth. Assim, o problema nunca surgiu. Então, quando eu atualizei, algum tipo de meta-pacote do ubuntu-basic-packages-we-figure-todo-mundo-vai depender do bluetooth, então o bluetooth foi reinstalado, criando o problema. Parece que também pode ter sido o que aconteceu com você.