[wplug] wireless networking stability

uraclea at comcast.net uraclea at comcast.net
Sun Aug 14 21:38:45 EDT 2005


I have experienced a very similar problem (sounds to be the exact problem) with my IBM T40. After a month of back and forth with IBM techs the problem was found to be the system board.

Bob F.


> 
> >Just to add to the noise.  If there is nothing in your logs, it may be a
> >heat issue.  I've noticed that my system runs a lot hotter in Linux
> >(ACPI isn't fully functional on my system) and I'm pretty sure it
> >doesn't ever power down my wireless card or lower the power level of it
> >to prevent as much heat build up.  This heat can cause cards to function
> >strangely.
> >
> >A good example of this is the first generation LinkSys WRT54Gs (the ones
> >with about 30 LEDs on the front).  The venting wasn't so good, and the
> >chips ran hot.  As a result, they sometimes overheat and just stop
> >working.  Letting them cool off seems to fix it.   In my case, a dremel
> >and a little fan did the same thing.
> >  
> >
> 
> Well, I'm wondering if this is the issue.  I've watched the networking 
> drop off (running a ping to the AP in one window until it drops), while 
> watching a tail -f of /var/log/messages (after turning up the reporting) 
> and tail -f of the kern.log file.  Nothing significant in either 
> coincides with of them shows up, except for this notation in the 
> messages file:
> 
> Aug 12 14:59:56 gish waproamd(eth1)[3782]: No longer associated.
> 
> when the networking is lost and
> 
> Aug 12 15:00:08 gish waproamd(eth1)[3782]: Associated.
> 
> when it is regained.
> 
> I've googled a bit about waproamd, and all I've seen is that it has been 
> deprecated in favor of wpa_supplicant.  I attempted to remove waproamd 
> and put in wpa_supplicant, but I don't think I ever got it really 
> working and in place correctly.
> 
> Should I go down this path more?  Or should I look at a temperature issue?
> 
> One other item:  I've noticed that it drops off when I'm using the 
> wireless card more -- during a download of a large file, for instance 
> rather than during just web browsing or email reading.  The fact that it 
> drops off during a higher load also points to a possible temperature 
> issue ... right?
> 
> Thanks,
> Rick Reynolds
> -- 
>  I do not feel obliged to believe that the same God who has endowed us 
> with sense, reason, and intellect has intended us to forgo their use. -- 
> Galileo Galilei
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