ath10k driver crashes whenever firmware crashes on ARM SoC

Kalle Valo kvalo at qca.qualcomm.com
Wed Mar 12 04:22:38 EDT 2014


Ben Greear <greearb at candelatech.com> writes:

> On 03/11/2014 12:33 AM, Kalle Valo wrote:
> oes this ring a bell for anyone?  I think I can also export the
>>> traces as csv in case someone wants to look at them.
>> 
>> I showed your analysis to an HW engineer and the response I got was
>> "don't do that" (= don't use the cold reset).
>
> Earlier (1/22/14), you said a cold reset problem in CUS223 was due primarily to
> a bad piece of hardware (or bad design, or something) in the CUS223.
>
> I guess the problem must extend to other NICs as well, and
> maybe other reasons for causing the hangs?

I don't know the details, but I understood this only happens on CUS223.
If someone has seen these cold reset problems on other boards, like
XB140, I would be very keen to hear about it.

> Anything we can do to help debug the problem with warm resets
> failing to work properly in some cases?

Thanks, but not right now there isn't anything. Once I have new ideas
for the warm reset problems, I'll post them here. Testing those would be
very useful.

-- 
Kalle Valo



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