Minutes of Power in 9.1.0 meeting

[Carol Farlow Lerche]

I have recently seen this behavior with the Gnome desktop network applet,
when provisioning Ubuntu Intrepid on some old laptops donated to a school
near me.  What fixed my problem was making pm-utils unload/reload the
madwifi atheros driver on suspend and hibernate. I think the prompt for a
password was a red herring, and the sign of not distinguishing different
kinds of errors when reconnecting after resume.

On Thu, Dec 25, 2008 at 9:43 AM, <david at lang.hm> wrote:

> On Thu, 25 Dec 2008, Hal Murray wrote:
>
> >> Wireless is *so* hard to debug, the programmers can never get to the
> >> location where it actually fails repeatably -- and when it's failing,
> >> the laptop is by definition off the net, so they can't login to it
> >> remotely to debug it.
> >
> > Has anybody figured out how to run tcpdump on another system?  Do the
> radio
> > chip sets support promiscuous mode?
> >
> >
> >> Access points with encryption have *never* worked reliably on the XO
> >
> > Mine works well enough that I don't pay much attention to it.  I'm using
> a
> > Linksys/Cisco WRT54GL with stock firmware and encryption.  2 or 3 of my
> > neighbors' APs are usually visible.
> >
> > If bugs happen often enough, then you can debug them.  If they don't
> happen
> > often enough to debug, then they probably won't disrupt work very much.
> >
> > I just ran a few tests.  I'm just rebooting and looking to see if packets
> > start working again.  I'm using ping to measure "works".
> >
> >
> > Is there anything I/we can do to get more info?  Can I turn on logging so
> > there is something to look at in case I can get it to fail again?
>
> what I see is that when it starts up (power up, wake from sleep, etc) it
> sometimes pops up the window asking for the encryption key. it doesn't
> always do so, and it doesn't seem to make a difference if the XO never
> leaves my house or if I've connected to many other access points in the
> meantime.
>
> I haven't been able to figure out any pattern to it.
>
> David Lang
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>



-- 
"Don't think for a minute that power concedes. We have to work like our
future depends on it."  -- Barack Obama
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