> > Does the Linux USB implementation supports both equally well? And also the scheduling of a mixture of both pipe types? For both USB 2 and 3? > Do you have an idea why many commercial devices (e.g. AV applications) still would go for bulk? > > Thanks a lot & kind regards, > Yves > -- I have a DAC that use isochronous audio and it worked fine on USB 2.0, then I bought an intel NUC which had USB 3.0 and it still does not work after a couple of months of trying. Intel just say its a Linux issue, however the people here have been very helpful and say its not a driver issue, also I have heard it reported it works on a non intel USB 3.0 hardware. Although I cannot say for sure, it looks like the Intel hardware has a bug and they are reluctant to admit it. See below. forums.presonus.com/posts/list/33427.page It might be worth contacting this guy to see if he can help. usb.org/developers/presentations/pres1108/SuperSpeed_USB_DevCon_Isochronous_TengFroelich.pdf BR Russ -- 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