[maemo-users] How to debug WLAN connection problem in N800?

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On 1/15/07, Kalle Valo <Kalle.Valo at nokia.com> wrote:
>
> "Juha Kuikka" <juha.kuikka at gmail.com> writes:
>
> > I can chime in with the second problem. :)
>
> Come on, it's Monday. Please give the guy some time to wakeup first ;)


Sure, go and get a second cup of coffee. I'll wait. :)


But seriously: keep all comments coming, I'm curious to see how WLAN
> works for N800.
>
> > Environment: Linksys WRT54G with latest FW, configured to only allow
> WPA2
> > with AES-PSK, N800 with out-of-the-box FW.
>
> What N800 image version?


Version: 1.2006.47-20

> Problem description:
> > Occasionally the wlan connection on n800 ceases to function. So far this
> has
> > only happened when the device is not in use i.e. I pick it up to start
> > browsing but it is not working.
> > In the UI problem is not apparent, the Connection Manager still shows
> the
> > state as "Connected" and in "IP address" screen everything looks ok. In
> > Connection Manager the "Sent" counter increases if I initiate
> communication
> > from n800 but the "Received" is unchanged no matter what I try.
> >
> > On the command line (Xterm):
> > - routing table is ok
> > - ifconfig is ok
>
> Can you check kernel logs with dmesg? Is there talk about "haven't got
> a WR_READY for DMA write"?


Nothing like that is visible. In fact there is nothing evil-looking in the
dmesg before:
DEAUTHENTICATE TRAP
Shut down SoftMAC
Loading 3826.arm firmware
(c)opyright 2004 Conexant
...

Which I suspect is re-initializing the wlan?

Only messages before those are in the nature of:
EAC mode: play enabled/disabled, rec enabled/disabled
omapfb: ... setting update mode to manual/disabled/enabled

I'll get a fresh dmesg next time I see this problem.

> - /etc/resolv.conf only shows localhost (this also seems to be the case
> > when the connection is working, we are using local proxy-dns?)
>
> Yep, there's dnsmasq running. IIRC, the original resolv.conf files are
> in '/tmp/resolv.conf.*'.


Ok. Shouldn't matter here anyway because connection with ip-address does not
work either.

 - Juha


-- 
Madness takes it's toll. Please have exact change.
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