Re: QCA6174 hw2.1 firmware, take two?

[Gregor Plata <gregor.plata@t-online.de>]

Hi all,

the solution described in the bug report 
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1383184 (comment #150) 
works perfectly for me. Wi-fi is stable without any drops and the 4.1.0-rc6-
wl-ath kernel doesn't cause any  issues but the wi-fi performance comes only 
to about 35%-40% of the performance on windows on the same machine downloading 
the same file from the same server .

best regards
Gregor

Am Donnerstag, 4. Juni 2015, 19:03:55 schrieb Enrico Tagliavini:
> Hi there,
> 
> Just got the following device
> 
> enrico@alientux ~ $ lspci -nn | grep QCA
> 03:00.0 Network controller [0280]: Qualcomm Atheros QCA6174 802.11ac
> Wireless Network Adapter [168c:003e] (rev 20)
> 
> And discovered there is no firmware available for it. I looked already
> at the April thread about it, but didn't managed to get it working.
> This is on Fedora 22, kernel 4.0.4.
> 
> I used dissect.py from here
> https://gist.github.com/kazikcz/8e5845ad84ca251aa295 to generate the
> firmware image from my Windows installation:
> $ cat
> /windows/Windows/System32/DriverStore/FileRepository/netathrx.inf_amd64_481
> f6e2b133b287d/qca61x420.bin
> | ./dissect.py
> 
> but I have no clue if that is actually the correct file. For sure it's
> the only one containing "qca" end ending in ".bin" alongside
> eeprom_qca9377_1p0_NFA435_olpc.bin which I used as board.bin.
> 
> Unfortunately when trying those I get
> root@alientux ~ # dmesg | grep ath
> [   18.518677] ath10k_pci 0000:03:00.0: enabling device (0000 -> 0002)
> [   18.519124] ath10k_pci 0000:03:00.0: pci irq msi-x interrupts 8
> irq_mode 0 reset_mode 0
> [   18.667191] ath10k_pci 0000:03:00.0: Direct firmware load for
> ath10k/cal-pci-0000:03:00.0.bin failed with error -2
> [   18.668652] ath10k_pci 0000:03:00.0: invalid firmware magic
> [   18.668791] ath10k_pci 0000:03:00.0: invalid firmware magic
> [   18.670086] ath10k_pci 0000:03:00.0: invalid firmware magic
> [   18.670265] ath10k_pci 0000:03:00.0: Direct firmware load for
> ath10k/QCA6174/hw2.1/firmware.bin failed with error -2
> [   18.670267] ath10k_pci 0000:03:00.0: could not fetch firmware (-2)
> [   18.670269] ath10k_pci 0000:03:00.0: could not fetch firmware files (-2)
> [   18.670271] ath10k_pci 0000:03:00.0: could not probe fw (-2)
> 
> No idea where to go from here. I'm currently not sure if I want to try
> kvalo sources. Don't get me wrong but if I have to apply a patch to
> the official Linux source tree that's ok, but switching to the
> development tree is not what I was looking forward for this machine.
> Can 4.1 help instead? I'm afraid it might now since I can see the fix
> for the firmware crash is still not included.
> 
> Thank you for the help.
> Best regards.
> 
> Enrico
> 
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