On Wed, 20 May 2009, Sergey Vlasov wrote: > > No. Realtime devices like your dvb-t stick are guaranteed a certain > > amount of bandwith on the USB bus, and bulk-data devices like your > > memory stick get whatever bandwidth is left over. > > However, this particular DVB-T device does not use isochronous > endpoints - it has only bulk endpoints; see the lsusb output from the > first message: You're right; I missed that point when reading the first email message. > This is surely a bad design for a device with realtime data transfer > requirements. The only workaround currently is to put this device on > a separate USB bus. Yes, if the problem is insufficient bandwidth. 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
