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I recently bought an Alienware 2015 which has a 1535 Killer wireless. When I installed Ubuntu 14.04 (Kernel 3.19) it did not recognize it. I did some search on the internet and found some methods to fix this issue on 1525 version of Killer wireless but I could not find any way to fix it for 1535. I tried the method in http://www.killernetworking.com/support/knowledge-base/17-linux/20-killer-wireless-ac-in-linux-ubuntu-debian but it did not work. This is the output of lspci -nnk | grep 0280 -A2 :

3c:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:003e] (rev 32)
    Subsystem: Bigfoot Networks, Inc. Device [1a56:1535]
3d:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader [10ec:5227] (rev 01)

The output of dmesg | grep ath10k is nothing.

I would really appreciate if someone can help me on this.

Amir Kargar
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    Please stick to 1 question at the time and describe what you have already tried. The way it is put now is more suitable for chat then Q&A. – Requist Jan 02 '16 at 21:46
  • Let's start with the wireless. Please edit your question to add the result of this terminal command: lspci -nnk | grep 0280 -A2 Welcome to askubuntu. – chili555 Jan 03 '16 at 02:15

3 Answers3

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The problem is kernel version 3.19 which didn't support your card at the time you were using Ubuntu 14.04 which is now EOL (End of Life).

On Ubuntu 16.04 and recent kernel 4.14.114 your commands now succeed:

$ lspci -nnk | grep 0280 -A2
3c: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 driver in use: ath10k_pci

$ dmesg | grep ath10k
[    4.875579] ath10k_pci 0000:3c:00.0: enabling device (0000 -> 0002)
[    4.876718] ath10k_pci 0000:3c:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
[    5.157111] ath10k_pci 0000:3c:00.0: Direct firmware load for ath10k/pre-cal-pci-0000:3c:00.0.bin failed with error -2
[    5.157117] ath10k_pci 0000:3c:00.0: Direct firmware load for ath10k/cal-pci-0000:3c:00.0.bin failed with error -2
[    5.157922] ath10k_pci 0000:3c:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1a56:1535
[    5.157923] ath10k_pci 0000:3c:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0
[    5.158332] ath10k_pci 0000:3c:00.0: firmware ver WLAN.RM.4.4.1-00079-QCARMSWPZ-1 api 6 features wowlan,ignore-otp crc32 fd869beb
[    5.222279] ath10k_pci 0000:3c:00.0: board_file api 2 bmi_id N/A crc32 20d869c3

In contrast your dmesg command returned nothing.

WinEunuuchs2Unix
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I found the patch on linux-next.git to get the ethernet going with source code from the 3.19 kernel

To get the ethernet going download https://www.dropbox.com/s/auk1g82st3yoy4d/alx.tar.gz?dl=0 and transfer it to the Ubuntu desktop. Then in terminal 

cd Desktop
tar zxvf alx.tar.gz
cd alx
cp /usr/src/linux-headers-$(uname -r)/Module.symvers Module.symvers
make -C /lib/modules/$(uname -r)/build M=$(pwd) modules
sudo cp alx.ko /lib/modules/$(uname -r)/kernel/drivers/net/ethernet/atheros/alx/
sudo modprobe alx
echo alx | sudo tee -a /etc/modules

The wifi solution is likely https://askubuntu.com/a/707805/300665

After following the instructions from chili555, please edit your question to include dmesg | grep ath10k

Community
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Jeremy31
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First try to get the firmware.

wget mirrors.kernel.org/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.164_all.deb

sudo dpkg -i linux-firmware*.deb

sudo modprobe -r ath10k_pci && sudo modprobe ath10k_pci

Reboot. This should fix your wireless adapter issues. If it does not, please post the output for dmesg|grep ath10k after following the above steps.

Samuel S. Mandal
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