netdev - Re: PROBLEM: network data corruption (bisected to e5a4b0bb803b)

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Date:	Wed, 27 Jul 2016 09:39:41 +0300
From:	Kalle Valo <kvalo@...eaurora.org>
To:	alexmcwhirter@...adic.us
Cc:	Christian Lamparter <chunkeey@...glemail.com>,
	Alan Curry <rlwinm@....org>, Al Viro <viro@...iv.linux.org.uk>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: network data corruption (bisected to e5a4b0bb803b)

alexmcwhirter@...adic.us writes:

> On 2016-07-26 09:59, Christian Lamparter wrote:
>> Thanks, I gave the program a try with my WNDA3100 and a WN821N v2
>> devices.
>> I did not see any corruptions in any of the tests though. Can you
>> tell me
>> something about your wireless network too? I would like to know what
>> router
>> and firmware are you using? Also important: what's your wireless
>> configuration?
>> (WPA?, CCMP or TKIP? HT40, HT20 or Legacy rates? ...)
>>
>> Probably the quickest and easiest way to get that information is by
>> running
>> the following commands as root, when you are connected to your wifi
>> network
>> and post the results:
>> # iw dev wlan0 link
>> # iw dev wlan0 scan dump
>>
>> (You can of course remove your device's MACs, but please do it
>> consistently).
>>
>> Regards,
>> Christian
>
> I wonder if this is something that is only affecting certain NIC's?
> For example, it see this issue on sun4u boxes with tigon3 and hme
> interfaces. But on my sun4v boxes that have e1000 interfaces
> everything works fine.

Kernel configuration might also make a difference. Trying to find an
Kconfig option which affects this could be useful.

-- 
Kalle Valo