Re: [Gumstix-users] wifistix issue

[Jeff S. <jef...@gm...>]

are you using wpa_supplicant?
I think wpa_supplicant will try and reestablish a connection but if it
fails for too long it might stop looking. Sounds like a wireless
connection issue to me.

On 5/9/07, Steve Sakoman <sa...@gm...> wrote:
> Craig,
>
> Well, now that I'm all set to take my debug setup (laptop & portable scope)
> out to the installed units they are behaving :-)
>
> Current temperature on the hottest is 96F, so I'm still not sure that it is
> temperature related.
>
> I'm sure it will happen again, just a question of time.
>
> Steve
>
> On 5/9/07, Craig Hughes <cr...@gu... > wrote:
> > Steve, let me take a look into the driver code and see if I can
> > figure out when the LED might be switched off.  The wifi module does
> > tend to get pretty hot, and while I haven't seen a thermal shutdown
> > myself, it could well be that the heat from the module plus the
> > northern CA pre-summer heatwave is causing the module to shut down or
> > something.  I'll be back with what I find in the driver source in a
> > mo...
> >
> > C
> >
> > On May 9, 2007, at 7:31 AM, Steve Sakoman wrote:
> >
> > > I've recently begun beta testing my gumstix based embedded device.
> > >
> > > Several times over the past week beta units have lost network
> > > connectivity.  The units are "in the field" and hence I haven't yet
> > > had the opportunity to attach a serial cable and scope.  Visual
> > > examination of the failed devices shows that the yellow led on the
> > > wifistix is off after network connectivity is lost.  Rebooting
> > > fixes the problem in every case.
> > >
> > > When I installed the devices I checked wifi signal levels and they
> > > seemed to be fairly good.  The environment is more harsh than the
> > > average office -- high temperatures in the installation area were
> > > over 100 degrees this week.  The times of failure don't seem to
> > > correlate with temperature though.
> > >
> > > My questions:
> > >
> > > Under what circumstances does the wifistix driver turn off the led?
> > > Is there any notification that I can subscribe to in order to
> > > restart networking when this happens?
> > >
> > > Not having the driver source code in cases like this is a drag :-)
> > >
> > > I'll get out to one of the units today to collect further data, but
> > > it would help to understand the driver's expected behavior.
> > >
> > > Thanks!
> > >
> > > Steve
> > >
> > >
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