Using Ubuntu 16.04 LTS
By using this command lspci -nn | grep Atheros I'm getting following o/p.
03:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:0042] (rev 30)
I'm not able to connect WiFi since last two days.(WiFi network/option not shown in icon and setting)
Following wireless info which is generated by script.
########## wireless info START ##########
Report from: 01 Jun 2016 23:17 IST +0530
Booted last: 01 Jun 2016 00:00 IST +0530
Script from: 30 Apr 2015 17:23 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu (from ~/.dmrc)
##### lspci #############################
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Acer Incorporated [ALI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1025:098a]
Kernel driver in use: r8169
03:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:0042] (rev 30)
Subsystem: Lite-On Communications Inc Device [11ad:0806]
Kernel driver in use: ath10k_pci
##### lsusb #############################
Bus 001 Device 002: ID 8087:8001 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 005: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 002 Device 004: ID 1bcf:2c81 Sunplus Innovation Technology Inc.
Bus 002 Device 003: ID 04ca:3015 Lite-On Technology Corp.
Bus 002 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
##### lsmod #############################
acer_wmi 20480 0
sparse_keymap 16384 1 acer_wmi
ath10k_pci 45056 0
ath10k_core 311296 1 ath10k_pci
ath 32768 1 ath10k_core
mac80211 737280 1 ath10k_core
cfg80211 565248 3 ath,mac80211,ath10k_core
mxm_wmi 16384 1 nouveau
wmi 20480 3 acer_wmi,mxm_wmi,nouveau
video 40960 3 i915,acer_wmi,nouveau
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
enp2s0 Link encap:Ethernet HWaddr <MAC 'enp2s0' [IF]>
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)
enx5c93a28407e4 Link encap:Ethernet HWaddr <MAC 'enx5c93a28407e4' [IF]>
inet addr:192.168.44.119 Bcast:192.168.44.255 Mask:255.255.255.0
inet6 addr: fe80::3677:1ce9:9557:bec0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12128 errors:0 dropped:0 overruns:0 frame:0
TX packets:14596 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:5919220 (5.9 MB) TX bytes:1476446 (1.4 MB)
##### iwconfig ##########################
enp2s0 no wireless extensions.
lo no wireless extensions.
enx5c93a28407e4 no wireless extensions.
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.44.1 0.0.0.0 UG 750 0 0 enx5c93a28407e4
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enx5c93a28407e4
192.168.44.0 0.0.0.0 255.255.255.0 U 750 0 0 enx5c93a28407e4
##### resolv.conf #######################
nameserver 127.0.1.1
##### NetworkManager info ###############
GENERAL.DEVICE: <MAC address>
GENERAL.TYPE: bt
GENERAL.NM-TYPE: NMDeviceBt
GENERAL.VENDOR:
GENERAL.PRODUCT:
GENERAL.DRIVER: bluez
GENERAL.DRIVER-VERSION:
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR: <MAC address>
GENERAL.MTU: 0
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /org/bluez/hci0/dev_5C_51_88_3C_DE_E2
GENERAL.IP-IFACE: enx5c93a28407e4
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: MotoG3 Network
GENERAL.CON-UUID: 45836b65-bb70-4067-aeaa-32479dee900f
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/6
GENERAL.METERED: yes (guessed)
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
BLUETOOTH.CAPABILITIES: NAP
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{1}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 45836b65-bb70-4067-aeaa-32479dee900f | MotoG3 Network
IP4.ADDRESS[1]: 192.168.44.119/24
IP4.GATEWAY: 192.168.44.1
IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 192.168.44.1
DHCP4.OPTION[1]: requested_subnet_mask = 1
DHCP4.OPTION[2]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[3]: subnet_mask = 255.255.255.0
DHCP4.OPTION[4]: domain_name_servers = 192.168.44.1
DHCP4.OPTION[5]: ip_address = 192.168.44.119
DHCP4.OPTION[6]: requested_static_routes = 1
DHCP4.OPTION[7]: dhcp_server_identifier = 192.168.44.1
DHCP4.OPTION[8]: requested_time_offset = 1
DHCP4.OPTION[9]: broadcast_address = 192.168.44.255
DHCP4.OPTION[10]: requested_interface_mtu = 1
DHCP4.OPTION[11]: dhcp_rebinding_time = 3150
DHCP4.OPTION[12]: requested_domain_name_servers = 1
DHCP4.OPTION[13]: dhcp_message_type = 5
DHCP4.OPTION[14]: requested_broadcast_address = 1
DHCP4.OPTION[15]: routers = 192.168.44.1
DHCP4.OPTION[16]: dhcp_renewal_time = 1800
DHCP4.OPTION[17]: requested_domain_name = 1
DHCP4.OPTION[18]: requested_routers = 1
DHCP4.OPTION[19]: expiry = 1464806473
DHCP4.OPTION[20]: requested_wpad = 1
DHCP4.OPTION[21]: host_name = kaushal-Aspire-E5-573G
DHCP4.OPTION[22]: requested_netbios_scope = 1
DHCP4.OPTION[23]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[24]: requested_netbios_name_servers = 1
DHCP4.OPTION[25]: network_number = 192.168.44.0
DHCP4.OPTION[26]: requested_domain_search = 1
DHCP4.OPTION[27]: vendor_encapsulated_options = ANDROID_METERED
DHCP4.OPTION[28]: next_server = 192.168.44.1
DHCP4.OPTION[29]: requested_host_name = 1
DHCP4.OPTION[30]: dhcp_lease_time = 3600
DHCP4.OPTION[31]: requested_ntp_servers = 1
IP6.ADDRESS[1]: fe80::3677:1ce9:9557:bec0/64
IP6.GATEWAY:
GENERAL.DEVICE: enp2s0
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 'enp2s0' [IF]>
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 2 (Device is now managed)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.2/0000:02:00.0/net/enp2s0
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:
##### 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: 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 ###################
enp2s0 no frequency information.
lo no frequency information.
enx5c93a28407e4 no frequency information.
##### iwlist scan #######################
enp2s0 Interface doesn't support scanning.
lo Interface doesn't support scanning.
enx5c93a28407e4 Interface doesn't support scanning.
##### module infos ######################
[ath10k_pci]
filename: /lib/modules/4.4.0-21-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_pci.ko
firmware: ath10k/QCA9377/hw1.0/board.bin
firmware: ath10k/QCA9377/hw1.0/firmware-5.bin
firmware: ath10k/QCA6174/hw3.0/board-2.bin
firmware: ath10k/QCA6174/hw3.0/board.bin
firmware: ath10k/QCA6174/hw3.0/firmware-5.bin
firmware: ath10k/QCA6174/hw3.0/firmware-4.bin
firmware: ath10k/QCA6174/hw2.1/board-2.bin
firmware: ath10k/QCA6174/hw2.1/board.bin
firmware: ath10k/QCA6174/hw2.1/firmware-5.bin
firmware: ath10k/QCA6174/hw2.1/firmware-4.bin
firmware: ath10k/QCA988X/hw2.0/board-2.bin
firmware: ath10k/QCA988X/hw2.0/board.bin
firmware: ath10k/QCA988X/hw2.0/firmware-5.bin
firmware: ath10k/QCA988X/hw2.0/firmware-4.bin
firmware: ath10k/QCA988X/hw2.0/firmware-3.bin
firmware: ath10k/QCA988X/hw2.0/firmware-2.bin
firmware: ath10k/QCA988X/hw2.0/firmware.bin
license: Dual BSD/GPL
description: Driver support for Atheros QCA988X PCIe devices
author: Qualcomm Atheros
srcversion: 8CBDAC7980FC042032AE6A6
depends: ath10k_core
intree: Y
vermagic: 4.4.0-21-generic SMP mod_unload modversions
parm: irq_mode:0: auto, 1: legacy, 2: msi (default: 0) (uint)
parm: reset_mode:0: auto, 1: warm only (default: 0) (uint)
[ath10k_core]
filename: /lib/modules/4.4.0-21-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_core.ko
license: Dual BSD/GPL
description: Core module for QCA988X PCIe devices.
author: Qualcomm Atheros
srcversion: 275C24567932534F3B81E01
depends: mac80211,cfg80211,ath
intree: Y
vermagic: 4.4.0-21-generic SMP mod_unload modversions
parm: debug_mask:Debugging mask (uint)
parm: uart_print:Uart target debugging (bool)
parm: skip_otp:Skip otp failure for calibration in testmode (bool)
parm: cryptmode:Crypto mode: 0-hardware, 1-software (uint)
parm: rawmode:Use raw 802.11 frame datapath (bool)
[ath]
filename: /lib/modules/4.4.0-21-generic/kernel/drivers/net/wireless/ath/ath.ko
license: Dual BSD/GPL
description: Shared library for Atheros wireless LAN cards.
author: Atheros Communications
srcversion: 3FCDBF7CE71CB8FB980D59D
depends: cfg80211
intree: Y
vermagic: 4.4.0-21-generic SMP mod_unload modversions
[mac80211]
filename: /lib/modules/4.4.0-21-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: A882F4FE63500846E1C859E
depends: cfg80211
intree: Y
vermagic: 4.4.0-21-generic SMP mod_unload modversions
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/4.4.0-21-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: 00D8DA6D3B739DDD31FFF50
depends:
intree: Y
vermagic: 4.4.0-21-generic SMP mod_unload modversions
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 #################
[ath10k_pci]
irq_mode: 0
reset_mode: 0
[ath10k_core]
cryptmode: 0
debug_mask: 0
rawmode: N
skip_otp: N
uart_print: N
[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]
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
##### modprobe options ##################
[/etc/modprobe.d/ath10k_core.conf]
options ath10k_core skip_otp=y
[/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 ########################
grep: /etc/udev/rules.d/*net*.rules: No such file or directory
##### dmesg #############################
########## wireless info END ############
If you know something then please let me know how can I solve this issue and access WiFi.
I'm Using ACER Aspire E 15 (E5-573G-5147).
If you want some more information then let me know.
sudo modprobe ath10k_pci && dmesg | grep ath– chili555 Jun 1 '16 at 23:36