ath10k driver crashes whenever firmware crashes on ARM SoC

[Kalle Valo]

Avery Pennarun <apenwarr at gmail.com> writes:

> On Tue, Jan 28, 2014 at 1:20 PM, Ben Greear <greearb at candelatech.com> wrote:
>> On 01/28/2014 09:18 AM, Avery Pennarun wrote:
>>> When the ath10k firmware crashes on my device (let's not worry about
>>> why the firmware crashes right now; one problem at a time), my host
>>> CPU (ARMv7 based) can't recover.  I get some variant of this error:
>>
>> I don't know about your pci bus problem, but I'm interested in knowing
>> about firmware crashes (if you are at liberty to share the details).
>
> Well, since you asked... :)
>
> I'm trying to build an especially robust system here, so when I
> noticed that the driver will bring the entire system crashing down
> upon a firmware crash, I've actually gone out of my way to make more
> firmware crashes.

Do you know that we have simulate_fw_crash debugfs file just for testing
this? Of course it's good to test various firmware crashing scenarious,
but in some cases this debugfs file helps a lot.

-- 
Kalle Valo