qca6174 hw3.2 / Killer 1535 interface not coming up, reporting "failed to enable dynamic BW: -11"

[Michal Kazior]

On 23 April 2016 at 04:08, Leonhardt Wille <info at leonhardt-wille.de> wrote:
> I'm trying to get my new wifi card working for three days. Have been
> following all sorts of hints from all over the net and only got a
> partial success by dissecting the qca61x4_2_2.bin file from my
> notebook vendor's driver bundle and installing it to the QCA6174/hw3.0
> firmware directory.
> I say partial because the interface came right up after calling insmod
> and I could connect to my AP, but after a reboot it didn't work any
> more, but instead logs periodic warnings (see dmesg output below).
> `iwconfig` is unusually slow and `ifconfig wlp62s0 up` gives a
> `SIOCSIFFLAGS: Resource temporarily unavailable` after ~11 seconds.
>
> Despite the invalid magics, this firmware is not crashing as the
> others (official linux-firmware, ath10k-firmware).
>
> Does anyone on this list have a working configuration for the 1535
> (qca6173 hw3.2), or at least a clue what might be wrong?
> The firmware-5.bin obtained from the Windows driver bundle starts with `SGMT`.
>
>
> I'm happy about finding this mailing list, thanks for all the effort!
>
> Leonhardt
>
>
>
> # uname -a
>
> ```
> Linux n8schnecke 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37
> UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
> ```
>
> # lspci | grep QCA
> ```
> 3e:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless
> Network Adapter (rev 32)
> ```
>
> # dmesg
>
> ```
> [ 3941.549532] ath10k_pci 0000:3e:00.0: pci irq msi-x interrupts 8
> irq_mode 0 reset_mode 0
> [ 3941.784491] ath10k_pci 0000:3e:00.0: invalid firmware magic
> [ 3941.846693] ath10k_pci 0000:3e:00.0: found invalid board magic

You have your firmware files bad. Please get them from:
  https://github.com/kvalo/ath10k-firmware/tree/master/QCA6174/hw3.0

And name them as:
  firmware-4.bin
  board-2.bin

(they obviously need to be put in /lib/firmware/ath10k/QCA6174/hw3.0/)

Remove firmware-5.bin. There's a reason why firmware files have numbers.


> [ 3943.964198] ath10k_pci 0000:3e:00.0: qca6174 hw3.2 (0x05030000,
> 0x00340aff sub 1a56:1535) fw WLAN.RM.2.0-00180-QCARMSWPZ-1 fwapi 4
> bdapi 1 htt-ver 3.26 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0
> hwcrypto 1 features wowlan,ignore-otp,no-4addr-pad
> [ 3943.964201] ath10k_pci 0000:3e:00.0: debug 0 debugfs 1 tracing 1
> dfs 0 testmode 0
> [ 3946.966754] ath10k_pci 0000:3e:00.0: could not suspend target (-11)
> [ 3947.043554] ath: EEPROM regdomain: 0x6c
> [ 3947.043556] ath: EEPROM indicates we should expect a direct regpair map
> [ 3947.043557] ath: Country alpha2 being used: 00
> [ 3947.043558] ath: Regpair used: 0x6c
> [ 3947.045301] ath10k_pci 0000:3e:00.0 wlp62s0: renamed from wlan0
> [ 3947.067781] IPv6: ADDRCONF(NETDEV_UP): wlp62s0: link is not ready
> [ 3952.306968] ath10k_pci 0000:3e:00.0: failed to enable dynamic BW: -11

This is a problem with board file. You're using board.bin (bdapi 1)
which will not work with hw3.2. You need to get the latest board-2.bin
from Kalle's ath10k-firmware repository (
https://github.com/kvalo/ath10k-firmware/tree/master/QCA6174/hw3.0 ).


> ...
> [ 4106.595895] ath10k_pci 0000:3e:00.0: failed to set tx-chainmask: -11, req 0x3
> [ 4109.595922] ath10k_pci 0000:3e:00.0: failed to set arp ac override
> parameter: -11
> ...
> ```
>
> # iwconfig wlp62s0

Don't use iwconfig, please. It's deprecated. Use `iw` tools instead.


Michał