ath10k: firmware crash in station mode & problem DFS

Ben Greear greearb at
Tue Jun 10 08:51:32 PDT 2014

On 06/10/2014 12:15 AM, Vu Hai NGUYEN wrote:
>> Can you please see if this firmware is any better for the DFS issue?
> Thanks, I check your firmware but it can not fix the problem

Can you explain how you test this?  Do I need a special AP configuration
to do the test, or is a normal ath10k NIC and hostapd enough?

I can try to reproduce the problem and test the fixes here.

>> Ok, looks like the patch where I change the scan state machine logic is the bad one.
>> I will review it carefully and maybe try splitting it further today.
>> Are you able to test with a modified kernel?  If so, I can add debuglog
>> messages to the firmware and give you a kernel ath10k patch to print
>> those out in the kernel logs so you can send them to me for decoding...
> Sorry I don't really get it, you mean that I can re-compiled ath10k for my own
> kernel?  Actually I'm using backport to compile ath10k for my kernel 3.2.36 provided
> for my chipset, If so, I can do it. 

Let me try to reproduce it myself first..that will be the fastest way
for me to fix the problem I think.


Ben Greear <greearb at>
Candela Technologies Inc

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