After shutdown/restart, ath10k sometimes stops receiving packets
kvalo at qca.qualcomm.com
Sat Jun 14 22:45:34 PDT 2014
Avery Pennarun <apenwarr at gmail.com> writes:
> On Sat, Jun 14, 2014 at 12:45 PM, Kalle Valo <kvalo at qca.qualcomm.com> wrote:
>> Avery Pennarun <apenwarr at gmail.com> writes:
>>> We are experiencing a relatively-rare-but-not-rare-enough case which
>>> has approximately these steps:
>>> - run a wifi AP for a while with a station or two connected
>>> - shut down hostapd (stations all get disconnected of course)
>>> - restart hostapd (perhaps on another channel or with different settings)
>>> After that, an external wifi sniffer can see beacons being transmitted
>>> by the AP as expected, but all packets from stations trying to connect
>>> are ignored.
>> Do you have any guesses how often this happens? Once a day, once a week?
> Someone in our QA group seems to be able to produce it after two or
> three test runs with Veriwave. Before each run, he stops and restarts
That's quite often. Was he testing DFS or something else? Maybe this is
related to radar detection or channel switching?
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