On 2017/07/18 09:12, Martin Pieuchot wrote: > On 17/07/17(Mon) 15:24, sc dying wrote: >> On 2017/07/17 08:24, Martin Pieuchot wrote: >>> On 15/07/17(Sat) 21:16, sc dying wrote: >>>> - Call usbd_set_config before configuring endpoints in ure_init to fix >>>> an error when re-opening pipes. I grabbed the code from if_kue.c. >>> >>> Which error? Calling usbd_set_config() should be avoid as much as >>> possible in driver code. >> >> Without patch, ure on usb-3 port says this error >> >> ure0: usb errors on rx: IOERROR >> >> when down the interface and it up. > > This is certainly a bug in the way pipe are closed, or more likely in > xhci(4). Can you reproduce the problem on ehci(4)? Do you find > anything useful if you define XHCI_DEBUG in your kernel?
This problem is not seen on ehci. On xhci with XHCI_DEBUG, curiously, it does not happen. I'll look into this.
