On Sun, Dec 06, 2009 at 04:00:16PM -0500, Alan Stern wrote: > On Sun, 6 Dec 2009, Andreas Mohr wrote: > > (the only idea that I currently still have is randomly plugging some > > further devices to verify whether all non-interrupt devices lock up > > and all interrupt ones work) > > You're grasping at straws. But if you want to indulge yourself, just > about every USB drive uses bulk and not interrupt endpoints. Some may > _have_ interrupt endpoints, because they are provided by the chip > manufacturer, but they don't _use_ them. Indeed, that's the case here (and quite obviously that is working...). Should have glanced at it before. > For a more productive debugging experience, get a usbmon trace of the > failure, and afterwards see what's present in the debugging files in > the appropriate subdirectory of /sys/kernel/debug/usb/ohci. Thanks, that should help quite a bit! Andreas Mohr -- 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
