On Tue, 10 Jun 2014, Johan Hovold wrote: > On Tue, Jun 03, 2014 at 02:47:13PM +0200, Hendrik Borghorst wrote: > > Hello, > > > > We are currently evaluating a new thinclient setup where we use usbip > > vhci-hcd hostdriver to enable the support for usb devices over the network. > > > > We are testing several fpga programmers. One is an usb->serial adapter > > which uses the ftdi_sio driver. > > > > After disconnecting the dongle on the thinclient, the kernel on the > > vhci_hcd host got stuck. > > > > I really can't say if this is related to the vhci_hcd host driver but > > for me it doesn't look like it. I think this problem is eventually > > related to usbserial or usbcore. > > This looks like a host controller issue to me (stuck in usb_kill_urb), > but perhaps Alan can say more? I agree. But I'm confused by the terminology. There's the vhci-hcd host and the thinclient. Which one has the actual USB device and which has the virtual host controller? The problem's root cause is on the computer attached to the physical device. What host controller driver does that computer use? 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
