[2008.9] Wifi very unreliable

[Xavier Bestel]

On Tue, 2008-09-30 at 11:42 +0200, Matthias Apitz wrote:
> El día Tuesday, September 30, 2008 a las 11:28:18AM +0200, Xavier Bestel escribió:
> 
> > On Tue, 2008-09-30 at 11:06 +0200, Matthias Apitz wrote:
> > > Hello,
> > > 
> > > I'm using the Wifi-method described in
> > > 
> > > http://wiki.openmoko.org/wiki/Neo_FreeRunner_Wifi#Using_WPA_and_.2Fetc.2Fnetwork.2Finterfaces
> > > 
> > > i.e. having a working config file /etc/wpa_supplicant/wpa_supplicant.conf
> > > for all my known access points (which is just a copy of that I'm using
> > > daily and stable in my two FreeBSD based laptops); and I'm trying to bring
> > > up the eth0 with
> > > 
> > > # ifup eth0
> > > 
> > > this works very unreliable; in (let's say) 8 of 10 cases it can't
> > > associate to the AP, even not after fresh re-boots and independently if
> > > the AP at my home works with WEP or in my office with WPA;
> > 
> > I found that, for WEP networking, the only working way is to manually
> > configure the interface:
> > iwconfig eth0 key <yourkeyhere>
> > iwconfig eth0 essid <yourssidhere>
> > udhcpc eth0
> 
> As I said, with WEP at home I have had it working today morning (sometimes) with:
> 
> # cat /etc/network/interfaces
> ...
> iface eth0 inet dhcp
>         wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
> up route del default gw 192.168.0.200
> down route add default gw 192.168.0.200
> 
> # cat /etc/wpa_supplicant/wpa_supplicant.conf
> ...
> eapol_version=1
> ap_scan=1
> fast_reauth=1
> network={
>         ssid="tarara"
>         scan_ssid=0
>         key_mgmt=NONE
>         wep_tx_keyidx=0
>         wep_key0=FFFFFFFFFFFF
> }
> 
> and then the eth0 just comes up (sometimes) with:
> 
> # ifup eth0
> 
> and DHCP IP and DNS from my AP;
> 
> there are some minor bugs in the two shell scripts
> /etc/wpa_supplicant/*.sh which I've had to fix too (sed of busybox does not
> know the flag --quiet);

Look at 'dmesg'. When the wifi driver starts spewing messages about
failed connexions, in my experience the device is hosed.

	Xav