Timeout Issues

[Kalle Valo]

Pushpal Sidhu <psidhu at gateworks.com> writes:

> I'm having issues with ath10k timing out when trying to communicate
> with the wireless card (UNEX DAXA-O1 + have tried several others).
> Below is what I grabbed from dmesg.
>
> $ dmesg | grep ath10k
> [    5.233469] ath10k_pci 0000:09:00.0: enabling device (0140 -> 0142)
> [    5.575954] ath10k: pci irq legacy irq_mode 0 reset_mode 0
> [    7.704403] ath10k: failed to receive control response completion, polling..
> [    8.704379] ath10k: Service connect timeout: -110
> [    8.709089] ath10k: failed to connect htt (-110)
> [    9.020495] ath10k: could not init core (-110)
> [    9.324371] ath10k: could not probe fw (-110)
>
> This causes the card to not be registered, and thus is unusable (there
> is no wlanX)

My first guess is a problem related with the PCI bus, but that's just a
guess. Can you get us a trace-cmd log:

http://wireless.kernel.org/en/users/Drivers/ath10k/debug#Tracing

> I am able to use the Intel 7260 card (another AC card) with their
> firmware binary blob, so I don't believe this is a hardware
> configuration issue with mini-pcie.

Did you try iwlwifi on the exact same kernel?

> I am using the following software on an ARM board:
> ath10k branch of linux kernel: 3.16.0-wl-ath-182333-g6a69f0c

Have you verified that with this kernel version the PCI bus works
correctly on your ARM board? Especially check that interrupts work.

-- 
Kalle Valo