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Today's Topics:
1. Re: Background scan issues? (Gammel Holte)
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Message: 1
Date: Mon, 25 Jul 2016 16:17:16 +0100
From: Gammel Holte <[email protected]>
To: [email protected]
Subject: Re: Background scan issues?
Message-ID:
<cagfcsg_j4dd8xrz_uxccvh2fxevny0gqzmxsu4-qyffpqgb...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi,
I am still experiencing this issue. In a nutshell:
- I have 2 wireless cards b43 (MacBook Air internal) and ath9k (Alfa, USB
interface & high-gain antenna).
- On slightly weak wireless network signals (-65 to -75 dB) connman keeps
putting my card into scanning mode, thinking I'm roaming. The connection
becomes a nightmare to use. This happens with both cards, and I can
reproduce it on a variety of hotspots.
- If I use plain wpa_supplicant, instantiated by myself or systemd-networkd
(which in turn instantiates wpa_supplicant) with default parameters, my
wireless works fine. I can hold the connection for many hours.
- I think the offending line is #define BGSCAN_DEFAULT "simple:30:-65:300"
in https://github.com/aldebaran/connman/blob/master/plugins/wifi.c
What's the reason to change wpa_supplicant defaults to a much more
aggressive roaming threshold?
Thanks,
A.
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