Thanks, Todd, and my apologies go to Jussi for misunderstanding his point.

I can replicate this behaviour. Windows allows me to change the "Power
Save Mode" on the Atheros AR5008 card used by Apple in the MacBook Pro
to "Off" which resolves the issue (when the MBP is booted into
Windows, anyway).

Unfortunately there seems no documented method of performing this
configuration change on Mac OS X - but that's for another community of
users on another forum, obviously.

Thanks again for your assistance and warm regards,
Damon


On Sat, Jan 3, 2009 at 8:18 AM, Todd T. Fries <[email protected]> wrote:
> There are power savings for 802.11 that OpenBSD does not support; this is
> entirely independent from saving battery via cpu clocking and it is also
> entirely independent from saving battery via adjusting the transmit power
> of the radio.  The power savings for 802.11 actually put the radio to sleep
> for a given interval and wake it up sending a message to the AP which is
> supposed to hold packets for a given client until the client responds,
> which OpenBSD does not do, therefore packetloss ensues.
>
> I know this very well, my BlackBerry Pearl 8120 gets 90-95% packet loss
> with an OpenBSD based AP.
>
> Damien is aware of what needs doing, but I am to understand it is not a
> short or easy road to get there.
>
> Thanks,
> --
> Todd Fries .. [email protected]
>
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> Penned by Damon McMahon on 20090103  8:09.21, we have:
> | Jussi - thanks for the response, but I've tried that to no effect,
> | e.g. on the Macbook Pro the Energy Saver settings for Mains and
> | Battery modes are identical.
> |
> | On Fri, 2 Jan 2009 05:45:45 +0200, Jussi Peltola <[email protected]> wrote:
> | > Disable power saving on the clients.

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