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Subject: Re: mac80211_hwsim (kernel 4.18+): wmediumd + 2.4Ghz
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Ramon Fontes <ramonreisfontes@gmail.com>,
        Krishna Chaitanya <chaitanya.mgit@gmail.com>
Cc:     linux-wireless <linux-wireless@vger.kernel.org>
Date:   Tue, 01 Oct 2019 09:39:58 +0200
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On Mon, 2019-09-30 at 15:28 -0300, Ramon Fontes wrote:
> > Based on this info, looks like hostapd/wpa_s versions might be causing
> > the difference,
> > can you please confirm the versions on both?
> 
> They have the same hostap (hostapd + wpa_s) version:
> Hostapd v2.10-devel-hostap_2_9-102-g12de14907+
> wpa_supplicant v2.10-devel-hostap_2_9-102-g12de14907+

Do they also have the same version of wmediumd?

> I've tested with v2.8-devel-hostap_2_7-313-g3e949655c+ too.
> 
> In this short video (https://www.youtube.com/watch?v=f6rrHIGpePA -
> running on VirtualBox) you can see the problem in action. Through this
> video you can see that it works with 4.16 and 4.17, and doesn't work
> with 4.19 (I forgot to repeat the test with 4.18, but I confirm that
> it has the same behaviour as 4.19).

Regardless, we should fix this stuff ...

johannes