[MLB-WIRELESS] DLINK 900AP+ hanging/race problem

[Dave Keller]

I don't think this is a problem with the dlink implementation. It's likely
to be something generic with the chipset as we are having the exact same
symptoms with EUSSO's, which use the same Texas Instruments Chipsets.


----- Original Message -----
From: "Rowan Crowe" <rowan at sensation.net.au>
To: <melbwireless at wireless.org.au>
Sent: Monday, November 18, 2002 6:56 AM
Subject: [MLB-WIRELESS] DLINK 900AP+ hanging/race problem


> Just noticed this problem... I run my laptop (Avaya Gold card) with power
> saving features on. The power LED normally blinks rapidly, showing the
> card alternating between active and sleeping, and the activity LED blinks
> when there are actually packets going somewhere.
>
> After having the laptop powered on for a couple of hours the LEDs went
> bonkers - *both* of them blinking rapidly. I also had a complete loss of
> IP transport, even though I was apparently still connected to the AP. The
> "WLAN" LED on the 900AP+ was also going for its life, like a whole heap of
> traffic was passing through, but sniffing on my FreeBSD box showed zero
> traffic.
>
> Switching off power saving mode on the laptop 'fixed' the problem. I
> figured it was a quirk due to low batteries, but they're now fully charged
> and re-enabling power saving results in the same problem. (Note the laptop
> was also rebooted and the problem still existed)
>
> The only solution to this problem was to power cycle the AP!
>
> Has anyone seen this before? Maybe the power saving routines in the
> firmware (on either the AP or the card) are buggy? This could be a serious
> issue on a public access point...
>
> Cheers.
>
>
> --
> Rowan Crowe - Melbourne, Australia
> www.camrecord.com  www.camdiscover.com  www.heyasl.com
www.sensationbot.com
>
>
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