Power Management plan for December.

Ricardo Carrano carrano at laptop.org
Sun Nov 30 11:13:00 EST 2008


On Sat, Nov 29, 2008 at 2:51 PM, Michail Bletsas <mbletsas at laptop.org> wrote:
> Chris Ball <cjb at laptop.org> wrote on 11/28/2008 04:18:11 PM:
>> Bugs I plan to fix:
>> * #2765 -- Need to turn off DCON after some time in idle suspend
>> * #3732 -- ARP broadcasts don't wake autosuspended laptops
> This works now and Ricardo has tested it. The remaining bugs in WOL don't
> affect it.
> B.t.w. this should be re-phrased as ARP requests for XO's own IP address.
> Ricardo,
> Can you update the trac?

Sure. This has been tested in the past with good results. I am
repeating the tests with the new improved signature wol filter and
recent firmwares and will post results to the ticket (later today)

>> * #7981 -- EC mask setting is inefficient
>> * #9055 -- Create 9.1 test plans for automatic power management
>> Bugs I will need significant help to fix:
>> * #6818 -- Make the multicast wakeup filter work with collaboration
>>     (Ricardo Carrano?)
> Again, WOL works as it is supposed to be. The WOL filter wakes up the laptop
> when it receives a frame destined for a multicast address that the network
> adapter listens for. That means that as we stand right now the XOs will wake
> up on reception of every frame destined for the presence service.
> One way out of this would be to stop the presence service before going to
> sleep and starting it up again upon coming out of sleep.
> In that manner presence updates won't wake up the XO, but traffic destined
> to already running activities will.

Yes, we've been testing this and "ethtool -s eth0 wol um" will do the
trick (the current default is just "u", for unicast - no "m", for
multicast). No need for signature based wol rules, here.


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