Debugging WiFi problems

[Phil]

Werner,


Werner Almesberger wrote:
> Phil wrote:
>> What can I do to debug the problem?
> 
> Maybe let's start with a few more details:
> 
> - do you use encryption and if yes, what kind ?


/etc/wpa_supplicant/wpa_supplicant.conf
with a ssid and psk


> - what AP brand/model is this ?


Linksys WRT54G


> - is there anything in dmesg ?


Attached.


> - does your machine suspend during the test ?


No - I can still run "ifdown/ifup eth0", /etc/init.d/networking 
stop/start etc


> When looking into WLAN problems, one of the first things I usually do
> is to try to see if it's something that comes from the lower reaches
> of the system (kernel, firmware, system tools, etc.), or higher layers
> which are still very much in flux (middleware and GUI).
> 
> To determine this, I kill pretty much all processes but udevd and
> dropbear, so that I can be sure user space won't reconfigure things
> behind my back, suspend, or such.


"All processes"? - do you do this from a ssh login? I presume I could 
start from the highest numbered processes and work down?


> Then I set up the network manually and see if the problem still exists.
> So if you could do this and report your findings, that would be great.


OK, I'll try that approach and see what happens.

Thanks,

Phil.
-- 
Philip Rhoades

GPO Box 3411
Sydney NSW	2001
Australia
E-mail:  phil at pricom.com.au
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