ath10k fails to recover from simulated firmware crash in AP mode

Avery Pennarun apenwarr at gmail.com
Wed Apr 30 11:13:59 PDT 2014


On Wed, Apr 30, 2014 at 2:01 AM, Michal Kazior <michal.kazior at tieto.com> wrote:
> On 30 April 2014 05:03, Avery Pennarun <apenwarr at gmail.com> wrote:
>> This is on a 3.2.26 kernel, mindspeed c2000 processor (ARMv7l), using
>> backports-v3.15-rc1 with today's kvalo/ath-next merged in (ie. commit
>> d9bc4b9b69 from Apr 23).
>>
>> Steps:
>> - modprobe ath10k_pci reset_mode=1  (this hardware crashes if you cold reset it)
>
> There is a reason why ath10k falls back to cold reset (unless you
> forbid it to): warm reset can't recover target in all cases.

That makes sense of course.  It's a little disappointing that even the
simulated firmware crash requires a cold reset to recover, though.
Wouldn't that be the first one the firmware developers would test?

Avery



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