Greg KH (greg@kroah.com) said: 
quoted text
> On Thu, May 15, 2008 at 12:33:15PM -0400, Bill Nottingham wrote:
> > 
> > I've been testing suspend/hibernate with various USB devices under
> > 2.6.25.2. Test box is a Thinkpad T60 (uhci, ehci).
> > The results are somewhat dismal.
> 
> If you look at 2.6.26-rc, there are some good changes there that should
> help things out a lot.  USB_PERSIST is much better there, but it missed
> .25 as it wasn't tested enough (although it is shipping in openSUSE
> 11.0, and seems to be working well there...)

Testing 2.6.26-rc3 + gregkh-04-usb-2.6.26-rc3.patch... things are
much better.

However, there's one thing that still fails - hibernate to a usb
device attached via a PCI Express card reader. Log is attached - 
do you need any more information? (Devices in the same card reader work
fine across suspend to RAM & resume.)

Bill