Warnings/errors in use with a QCA989x card

Michal Kazior michal.kazior at tieto.com
Tue Jun 23 22:09:33 PDT 2015

On 23 June 2015 at 18:48, Matthew Robbetts <wingfeathera at gmail.com> wrote:
> Hi Michał,
>> On Jun 22, 2015, at 22:06, Michal Kazior <michal.kazior at tieto.com> wrote:
>> On 23 June 2015 at 00:40, Matthew Robbetts <wingfeathera at gmail.com> wrote:
>> [...]
>>>>> I thought the newer upstream firmware had
>>>>> support for mgt frames over normal packet transport instead of over
>>>>> the WMI management interface?  Wouldn't that fix things?
>>>> I believe this was/is supposed to be available in some recent 10.2.4
>>>> builds. I think was first supposed to support it but I see
>>>> the available "stable" fw api blob still advertises has-wmi-mgmt-tx.
>>>> The from untested/ on the other hand doesn't advertise the
>>>> bit so I guess it uses the HTT path for management frames which should
>>>> prevent the tx credit starvation problem.
>>>> @Matthew: Can you try running from 10.2.4/untested/ @
>>>> github.com/kvalo/ath10k-firmware and see if it helps you, please?
>>> Argh! I managed to entirely miss this last statement in your email! I will absolutely try this, immediately.
>>> Out of interest, should I skip straight to or might this be specific to .48-2?
>> Both should use htt-mgmt-tx so it shouldn't matter as far as the
>> mgmt-tx problem is concerned.
> Great, thanks!
> I actually tried to use this firmware last night with my 4.0.4 kernel, but hit the problem of getting a tonne of:
> ...
> ath10k_pci 0000:02:00.0: htt event (19) not handled
> ...

Are you perhaps trying to use the .48-2 as firmware-4.bin with an old
driver? ;-) This won't work. It is API5 so it needs a more recent

> in my dmesg whenever a device tried to connect. I found the post:
> http://lists.infradead.org/pipermail/ath10k/2015-March/004797.html
> implying to me that this is expected and that driver changes are needed to use this new mechanism. Is there an easy way (for an idiot) to get these changes? Are they in the 4.1 kernel, or will I need to patch manually?

This didn't get into 4.1. You'll need to either cherry-pick or build
kernel from github.com/kvalo/ath


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