Básicamente, la computadora reconoce la tarjeta, pero nada relacionado con la conexión inalámbrica parece funcionar. No aparece en la Red. También probé esta tarjeta en mi caja de Windows donde funciona perfectamente.
Salida dedmesg
[ 3.651544] ath: EEPROM regdomain: 0x8348
[ 3.651545] ath: EEPROM indicates we should expect a country code
[ 3.651546] ath: doing EEPROM country->regdmn map search
[ 3.651546] ath: country maps to regdmn code: 0x3a
[ 3.651547] ath: Country alpha2 being used: US
[ 3.651547] ath: Regpair used: 0x3a
[ 3.651571] nommu_map_single: overflow 7f8d34040+1926 of device mask ffffffff
[ 3.651596] ath: phy0: dma_mapping_error() on RX init
[ 3.651648] ath9k 0000:21:00.0: Failed to initialize device
[ 3.651744] ath9k: probe of 0000:21:00.0 failed with error -12
Salida desudo lshw -C network
*-network UNCLAIMED
description: Network controller
product: AR9287 Wireless Network Adapter (PCI-Express)
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:21:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: memory:f7500000-f750ffff
uname -r:
4.10.1-041001-generic
editar:
salida del script de diagnóstico:
########## wireless info START ##########
Report from: 02 Jun 2017 16:27 PDT -0700
Booted last: 02 Jun 2017 00:00 PDT -0700
Script from: 25 Mar 2017 07:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04.2 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.10.1-041001-generic #201702260735 SMP Sun Feb 26 12:36:48 UTC 2017 x86_64 unknown unknown GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
1e:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: ASUSTeK Computer Inc. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1043:8677]
Kernel driver in use: r8169
21:00.0 Network controller [0280]: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) [168c:002e] (rev 01)
Subsystem: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) [168c:30a4]
Kernel modules: ath9k
##### lsusb #############################
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 046d:c07e Logitech, Inc.
Bus 003 Device 004: ID 04f2:0833 Chicony Electronics Co., Ltd
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
##### lsmod #############################
eeepc_wmi 16384 0
asus_wmi 28672 1 eeepc_wmi
sparse_keymap 16384 1 asus_wmi
video 40960 1 asus_wmi
ath9k 147456 0
ath9k_common 36864 1 ath9k
ath9k_hw 466944 2 ath9k,ath9k_common
ath 28672 3 ath9k_hw,ath9k,ath9k_common
mac80211 782336 1 ath9k
cfg80211 602112 4 mac80211,ath9k,ath,ath9k_common
wmi 16384 1 asus_wmi
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
enp30s0 Link encap:Ethernet HWaddr <MAC 'enp30s0' [IF1]>
inet addr:192.168.2.6 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::2614:c730:926a:8d88/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:9600 errors:0 dropped:0 overruns:0 frame:0
TX packets:6340 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:11171754 (11.1 MB) TX bytes:934886 (934.8 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:1662 errors:0 dropped:0 overruns:0 frame:0
TX packets:1662 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:132298 (132.2 KB) TX bytes:132298 (132.2 KB)
##### iwconfig ##########################
enp30s0 no wireless extensions.
lo no wireless extensions.
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.2.1 0.0.0.0 UG 100 0 0 enp30s0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp30s0
192.168.2.0 0.0.0.0 255.255.255.0 U 100 0 0 enp30s0
##### resolv.conf #######################
nameserver 127.0.1.1
##### network managers ##################
Installed:
NetworkManager
Running:
root 1032 1 0 16:23 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: enp30s0
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
GENERAL.DRIVER: r8169
GENERAL.DRIVER-VERSION: 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR: <MAC 'enp30s0' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:01.3/0000:03:00.2/0000:1d:00.0/0000:1e:00.0/net/enp30s0
GENERAL.IP-IFACE: enp30s0
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: Wired connection 1
GENERAL.CON-UUID: d36c51b9-7c50-38a0-92ee-5e74abfd62b0
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
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/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: d36c51b9-7c50-38a0-92ee-5e74abfd62b0 | Wired connection 1
IP4.ADDRESS[1]: 192.168.2.6/24
IP4.GATEWAY: 192.168.2.1
IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 192.168.2.1
DHCP4.OPTION[1]: requested_routers = 1
DHCP4.OPTION[2]: requested_domain_search = 1
DHCP4.OPTION[3]: server_name = Jacobs-MacBook-Pro.local
DHCP4.OPTION[4]: requested_time_offset = 1
DHCP4.OPTION[5]: requested_domain_name = 1
DHCP4.OPTION[6]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[7]: requested_broadcast_address = 1
DHCP4.OPTION[8]: requested_wpad = 1
DHCP4.OPTION[9]: requested_netbios_scope = 1
DHCP4.OPTION[10]: next_server = 192.168.2.1
DHCP4.OPTION[11]: expiry = 1496531409
DHCP4.OPTION[12]: requested_interface_mtu = 1
DHCP4.OPTION[13]: requested_subnet_mask = 1
DHCP4.OPTION[14]: dhcp_lease_time = 85536
DHCP4.OPTION[15]: dhcp_message_type = 5
DHCP4.OPTION[16]: ip_address = 192.168.2.6
DHCP4.OPTION[17]: requested_static_routes = 1
DHCP4.OPTION[18]: requested_domain_name_servers = 1
DHCP4.OPTION[19]: routers = 192.168.2.1
DHCP4.OPTION[20]: broadcast_address = 192.168.2.255
DHCP4.OPTION[21]: requested_ntp_servers = 1
DHCP4.OPTION[22]: requested_netbios_name_servers = 1
DHCP4.OPTION[23]: domain_name_servers = 192.168.2.1
DHCP4.OPTION[24]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[25]: subnet_mask = 255.255.255.0
DHCP4.OPTION[26]: network_number = 192.168.2.0
DHCP4.OPTION[27]: requested_host_name = 1
DHCP4.OPTION[28]: dhcp_server_identifier = 192.168.2.1
IP6.ADDRESS[1]: fe80::2614:c730:926a:8d88/64
IP6.GATEWAY:
##### 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 get ########################
Region: America/Los_Angeles (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 ###################
enp30s0 no frequency information.
lo no frequency information.
##### iwlist scan #######################
enp30s0 Interface doesn't support scanning.
lo Interface doesn't support scanning.
##### module infos ######################
[ath9k]
filename: /lib/modules/4.10.1-041001-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko
license: Dual BSD/GPL
description: Support for Atheros 802.11n wireless LAN cards.
author: Atheros Communications
srcversion: 8D9A8DB09580DED6F4121A4
depends: mac80211,ath9k_hw,ath9k_common,cfg80211,ath
intree: Y
vermagic: 4.10.1-041001-generic SMP mod_unload
parm: debug:Debugging mask (uint)
parm: nohwcrypt:Disable hardware encryption (int)
parm: blink:Enable LED blink on activity (int)
parm: led_active_high:Invert LED polarity (int)
parm: btcoex_enable:Enable wifi-BT coexistence (int)
parm: bt_ant_diversity:Enable WLAN/BT RX antenna diversity (int)
parm: ps_enable:Enable WLAN PowerSave (int)
parm: use_chanctx:Enable channel context for concurrency (int)
[ath9k_common]
filename: /lib/modules/4.10.1-041001-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko
license: Dual BSD/GPL
description: Shared library for Atheros wireless 802.11n LAN cards.
author: Atheros Communications
srcversion: 4A717CCB1446CC9DB8FCEC7
depends: ath9k_hw,cfg80211,ath
intree: Y
vermagic: 4.10.1-041001-generic SMP mod_unload
[ath9k_hw]
filename: /lib/modules/4.10.1-041001-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko
license: Dual BSD/GPL
description: Support for Atheros 802.11n wireless LAN cards.
author: Atheros Communications
srcversion: 41F2314E0EE763A827038D0
depends: ath
intree: Y
vermagic: 4.10.1-041001-generic SMP mod_unload
[ath]
filename: /lib/modules/4.10.1-041001-generic/kernel/drivers/net/wireless/ath/ath.ko
license: Dual BSD/GPL
description: Shared library for Atheros wireless LAN cards.
author: Atheros Communications
srcversion: 4B8612B6FF71DD27AE8CE67
depends: cfg80211
intree: Y
vermagic: 4.10.1-041001-generic SMP mod_unload
[mac80211]
filename: /lib/modules/4.10.1-041001-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: E52821BAF5B1A86DD9B493B
depends: cfg80211
intree: Y
vermagic: 4.10.1-041001-generic SMP mod_unload
parm: minstrel_vht_only:Use only VHT rates when VHT is supported by 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 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/4.10.1-041001-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: 069B9FECEE6C93D61A92E18
depends:
intree: Y
vermagic: 4.10.1-041001-generic SMP mod_unload
parm: bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
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 #################
[ath9k]
blink: 0
bt_ant_diversity: 0
btcoex_enable: 0
led_active_high: -1
nohwcrypt: 1
ps_enable: 0
use_chanctx: 0
[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
[cfg80211]
bss_entries_limit: 1000
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
##### modprobe options ##################
[/etc/modprobe.d/amd64-microcode-blacklist.conf]
blacklist microcode
[/etc/modprobe.d/ath9k.conf]
options ath9k nohwcrypt=1
[/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 #############################
[ 3.628167] ath9k 0000:21:00.0: enabling device (0000 -> 0002)
[ 3.717711] ath: EEPROM regdomain: 0x8348
[ 3.717712] ath: EEPROM indicates we should expect a country code
[ 3.717713] ath: doing EEPROM country->regdmn map search
[ 3.717713] ath: country maps to regdmn code: 0x3a
[ 3.717714] ath: Country alpha2 being used: US
[ 3.717714] ath: Regpair used: 0x3a
[ 3.717784] ath: phy0: dma_mapping_error() on RX init
[ 3.717840] ath9k 0000:21:00.0: Failed to initialize device
[ 3.717941] ath9k: probe of 0000:21:00.0 failed with error -12
[ 4.529809] IPv6: ADDRCONF(NETDEV_UP): enp30s0: link is not ready
[ 4.556525] r8169 0000:1e:00.0 enp30s0: link down (repeated 2 times)
[ 4.556611] IPv6: ADDRCONF(NETDEV_UP): enp30s0: link is not ready
[ 8.589885] r8169 0000:1e:00.0 enp30s0: link up
[ 8.589895] IPv6: ADDRCONF(NETDEV_CHANGE): enp30s0: link becomes ready
########## wireless info END ############
Respuesta1
Tuve el mismo problema y encontré esta página útil.https://ubuntuforums.org/showthread.php?t=1314693
Entré en la terminal:
echo ath9k | sudo tee /etc/modules-load.d/ath9k.conf
Luego reinicia