I am using Ubuntu 16.04, recently I upgraded packages and since then I am facing the issue of no wifi settings and wifi networks are not visible. screenshot of wifi settings absent
Please help me out, I tried quite a few solutions available but none helped me till now. Here are some outputs of commands. When I run:
sudo service network-manager restart
I get Disconnected - you are now offline.
The output for lspci -nnk | grep -iA2 net; dmesg | grep ath10k
is
3c:00.0 Ethernet controller [0200]: Qualcomm Atheros Killer E2400 Gigabit Ethernet Controller [1969:e0a1] (rev 10)
Subsystem: Dell Killer E2400 Gigabit Ethernet Controller [1028:076e]
Kernel driver in use: alx
Kernel modules: alx
3d:00.0 Network controller [0280]: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter [168c:003e] (rev 32)
Subsystem: Bigfoot Networks, Inc. QCA6174 802.11ac Wireless Network Adapter [1a56:1535]
Kernel modules: ath10k_pci
3e:00.0 Non-Volatile memory controller [0108]: Toshiba America Info Systems XG4 NVMe SSD Controller [1179:0115] (rev 01)
The output of sudo rfkill list all
is
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
and that of uname -r
is
4.15.0-118-generic
The output of sudo lshw -C network
is:
*-network
description: Ethernet interface
product: Killer E2400 Gigabit Ethernet Controller
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:3c:00.0
logical name: enp60s0
version: 10
serial: 18:db:f2:3e:bd:93
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.29.96 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:16 memory:dd500000-dd53ffff ioport:d000(size=128)
*-network UNCLAIMED
description: Network controller
product: QCA6174 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:3d:00.0
version: 32
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: memory:dd200000-dd3fffff
Wifi Adapter is also not present in Additional Drivers settings if I wanted to upgrade it. My laptop is Alienware 13 R3 and as per this the files look complete. Solutions that I tried and didn't work for me are one, two, three, four, five, six, seven.
All the packages are up-to-date. Please suggest some solution to me, I love Ubuntu, I can't use Windows.
Edit 1: Output of dmesg | grep ath
is:
[ 2.693687] ath: Unknown symbol ieee80211_get_channel (err 0)
Edit 2: Results of
$ ls /etc/modprobe.d
alsa-base.conf blacklist-rare-network.conf
amd64-microcode-blacklist.conf blacklist-watchdog.conf
backports.conf dkms.conf
blacklist-ath_pci.conf fbdev-blacklist.conf
blacklist.conf intel-microcode-blacklist.conf
blacklist-firewire.conf iwlwifi.conf
blacklist-framebuffer.conf mlx4.conf
blacklist-modem.conf nvidia-396_hybrid.conf
blacklist-oss.conf nvidia-graphics-drivers.conf
$ sudo dpkg -s linux-firmware | grep Version
Version: 1.157.23
dmesg | grep ath
– Jeremy31 Sep 26 '20 at 16:04ls /etc/modprobe.d
and also:sudo dpkg -s linux-firmware | grep Version
– chili555 Sep 26 '20 at 16:25cd backport-iwlwifi && sudo make uninstall
then reboot – Jeremy31 Sep 26 '20 at 17:48