In article <44CAE38C.8000302@warped.com> you wrote:
> Anyhow, just a data-point that I'm seeing a similar issue on -current. 
> Note that this isn't specific to umass; I see the same with a 
> USB->Serial adapter I have as well.  This only seems to be an issue with 
> devices present at boot, since the EHCI external drives I use for backup 
> (and power on/connect only before a backup) always attach successfully.

I've had many reports on the g4u-help mailing list[1] by people that their 
USB keyboards don't work reliably upon boot, and that unplugging and 
replugging fixes them. Maybe that's related.


 - Hubert

[1] http://sourceforge.net/mailarchive/forum.php?forum_id=43203