Gentoo Archives: gentoo-user

From: Bill Kenworthy <billk@×××××××××.au>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] wireless dropping connections
Date: Tue, 30 Oct 2012 11:49:50
Message-Id: 1351597654.6708.15.camel@bunyip.wifi.localdomain
In Reply to: [gentoo-user] wireless dropping connections by Alan McKinnon
1 outside interference? (usual is a microwave oven) - is there a device
2 closer to the AP that stays in better lock because the signal is strong
3 enough to override the interference?
4
5 BillK
6
7 On Tue, 2012-10-30 at 13:29 +0200, Alan McKinnon wrote:
8 > I'm using wicd-1.7.2.4-r1 and a NetGear DGN2200M v2 wireless AP
9 > (802.11n)
10
11 > Several times a day, this thing just drops wireless. I doubt it's my
12 > laptop as other devices in the house also get affected. When this
13 > happens I usually manually reconnect using wicd, it can do this
14 > automatically but there's a long timeout first before it realizes the
15 > connection was dropped.
16 >
17 > The router logs have very little in them, all I see is my laptop asking
18 > for and getting a new IP. Laptop logs show this:
19 >
20 > Oct 30 13:10:45 khamul dhcpcd[24141]: wlan0: carrier lost
21 > Oct 30 13:10:45 khamul kernel: [229075.169304] cfg80211: Calling CRDA
22 > to update world regulatory domain Oct 30 13:10:45 khamul kernel:
23 > [229075.214909] cfg80211: World regulatory domain updated: Oct 30
24 > 13:10:45 khamul kernel: [229075.214911] cfg80211: (start_freq -
25 > end_freq @ bandwidth), (max_antenna_gain, max_eirp) Oct 30 13:10:45
26 > khamul kernel: [229075.214913] cfg80211: (2402000 KHz
27 > - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
28 >
29 > followed by the usual verbose junk of reconnection logs.
30 >
31 > I wouldn't even know where to start debugging this. The only unusual
32 > part of the setup is I don't use the router's dhcp server, that is done
33 > with dhcp-4.2.4_p2 on a separate wired Gentoo server.
34 >
35 > Anyone have a logical series of debug steps I can apply?
36 >

Replies

Subject Author
Re: [gentoo-user] wireless dropping connections Alan McKinnon <alan.mckinnon@×××××.com>