ath10k driver crashes whenever firmware crashes on ARM SoC

Avery Pennarun apenwarr at gmail.com
Tue Jan 28 15:51:06 EST 2014


On Tue, Jan 28, 2014 at 3:10 PM, Janusz Dziedzic
<janusz.dziedzic at gmail.com> wrote:
> FW636 have problems with monitor iface:
> iw wlan0 set type monitor
> ifconfig wlan0 up
> tcpdump -i wlan0
> Will always crash firmware after "entered promiscuous mode"
>
> Generally in case you will have/left only one monitor interface and
> active tcpdump (in your case after hostapd kill), you will always get
> this crash. So using monitor interface with FW636 is not good idea.
>
> BTW monitor works fine with 10.x FW.

Well, in this case it gives a mostly-reproducible test case for the
driver's failure to recover from firmware crashes.  So it's useful in
that respect.  I was using the 10.x firmware until I wanted an easier
way to reproduce the problem :)

Avery



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