On Mon, 27 Jul 2009 Valdis.Kletnieks@xxxxxx wrote: > Confirming - the patch in that thread prevents the system lockup I was > seeing. > > So it looks like hid_reset() getting more chatty sometime in the last 2 weeks > was a red herring, and one I can't actually complain about - it was quite > legitimately whinging about not being able to reset a device that was in fact > dead in the water at the time. Given that, and a working patch for ehci-hcd.c, > I'm having a hard time finding the enthusiasm to track down what exactly > changed in hid-core.c. :) > > The change in hid-core.c behavior just had the bad luck to land in -mmotm at > the exact same time the bug in ehci-hcd.c landed. So we had two user-visible > behavior changes in the same area of code at the same time. Hilarity ensues. :) > > Thanks for pointing me at the actual fix. ;) A question for you: Do you now observe any warnings in the dmesg log if you rmmod ehci-hcd after the trackball mouse is gone? Apparently the patch you tested isn't perfect and some stuff gets leaked. I'm trying to track down the problem. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html