> http://lists.linuxaudio.org/pipermail/linux-audio-user/2010-June/070353.html > > So not mixing USB1 and USB2 devices but mixing a device performing > Full-Speed isochronous-out transactions with a device performing > asynchronous transactions. I've tested my Edirol UA-25 with this chipset > too and no matter what I tried, full duplex wouldn't work. Does your > machine have a Rate Matching Hub? If so could this be the device that > does asynchronous transactions maybe? Just guessing here. Or is USB2 > isochronous and USB1 asynchronous? I read this bug description by Intel, and the sentence that decided me to buy a USB2 soundcard is this: "High-Speed and Low-Speed USB devices are not impacted by this issue." I actually have an Edirol UA-25Ex that plainly doeson't work on these USB ports, so I went for the M-Audio USB2 High-Speed hoping that would solve the problem! _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
