I tried the .deb in #209 but it didn't work for me.

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Installation seemed okay
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$ sudo dpkg --install ath10k-dkms_1.0_all.deb 
[sudo] password for acampbell: 
Selecting previously unselected package ath10k-dkms.
(Reading database ... 344756 files and directories currently installed.)
Preparing to unpack ath10k-dkms_1.0_all.deb ...
Unpacking ath10k-dkms (1.0) ...
Setting up ath10k-dkms (1.0) ...
Loading new ath10k-1.0 DKMS files...
First Installation: checking all kernels...
Building only for 4.1.1-040101-generic
Building for architecture x86_64
Building initial module for 4.1.1-040101-generic
Done.

mac80211:
Running module version sanity check.

Good news! Module version backported for mac80211.ko
exactly matches what is already found in kernel 4.1.1-040101-generic.
DKMS will not replace this module.
You may override by specifying --force.

cfg80211.ko:
Running module version sanity check.

Good news! Module version backported for cfg80211.ko
exactly matches what is already found in kernel 4.1.1-040101-generic.
DKMS will not replace this module.
You may override by specifying --force.

ath10k_core.ko:
Running module version sanity check.
 - Original module
   - Multiple original modules exist but DKMS does not know which to pick
   - Due to the confusion, none will be considered during a later uninstall
 - Multiple same named modules!
   - 2 named ath10k_core.ko in /lib/modules/4.1.1-040101-generic/
 - Installation
   - Installing to /lib/modules/4.1.1-040101-generic/updates/dkms/

ath10k_pci.ko:
Running module version sanity check.

Good news! Module version backported for ath10k_pci.ko
exactly matches what is already found in kernel 4.1.1-040101-generic.
DKMS will not replace this module.
You may override by specifying --force.

ath.ko:
Running module version sanity check.

Good news! Module version  for ath.ko
exactly matches what is already found in kernel 4.1.1-040101-generic.
DKMS will not replace this module.
You may override by specifying --force.

compat.ko:
Running module version sanity check.
Error! Module version backported for compat.ko
is not newer than what is already found in kernel 4.1.1-040101-generic (backported).
You may override by specifying --force.

Running the post_install script:

depmod....

DKMS: install completed.
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-4.1.1-040101-generic


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uname shows kernel 4.1.1
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$ uname -a
Linux aaron-laptop 4.1.1-040101-generic #201507030635 SMP Fri Jul 3 10:38:27 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

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iwconfig shows nothing
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acampbell@aaron-laptop:~$ iwconfig 
eth0      no wireless extensions.

lo        no wireless extensions.

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dmesg shows several issues
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$ dmesg | grep ath10k
[    1.316648] ath10k_pci 0000:01:00.0: enabling device (0000 -> 0002)
[    1.319367] ath10k_pci 0000:01:00.0: pci irq msi-x interrupts 8 irq_mode 0 reset_mode 0
[    1.521673] ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/cal-pci-0000:01:00.0.bin failed with error -2
[    1.522318] ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/QCA6174/hw2.1/board-pci-168c:003e:144d:4125.bin failed with error -2
[    1.522319] ath10k_pci 0000:01:00.0: failed to load spec board file, falling back to generic: -2
[    3.461334] ath10k_pci 0000:01:00.0: unable to write to the device
[    3.461339] ath10k_pci 0000:01:00.0: failed to download normal firmware: -110
[    3.461341] ath10k_pci 0000:01:00.0: could not init core (-110)
[    3.461376] ath10k_pci 0000:01:00.0: could not probe fw (-110)