Request for feedback and/or participation on

Colin Walters walters at
Fri Feb 6 19:02:09 UTC 2009

On Wed, Feb 4, 2009 at 1:13 PM, Colin Walters <walters at> wrote:
> On Wed, Feb 4, 2009 at 11:37 AM, Olivier Galibert <galibert at> wrote:
>> On Wed, Feb 04, 2009 at 01:42:42PM +0000, Richard Hughes wrote:
>>> Well, sending the data does cause a wakeup, yes. The interface stops
>>> polling if there's no client connected.
>> If I understood correctly, the problem was more about the "wideness"
>> of the wakeup, i.e. everything connected to the bus was waking up,
>> unswapping, etc rather than just what was interested by the message.
> Almost certainly what you're thinking of (or have heard about) is the
> NameOwnerChanged problem:
> It's definitely something we should fix (and the system was designed
> to support avoid wakeups), but it's certainly not as bad as every
> process waking up on every message; just when something joins or
> leaves the bus.

And, just for anyone keeping score at home about DBus and power
consumption, a patch exists now in that bug.

More information about the fedora-devel-list mailing list