search for: usbd_short_xfer_ok

...An easily triggerable panic is another issue [1]. The pilot-link code first opens /dev/ugenX and then switches to /dev/ugenX.2, which is the HotSync endpoint for HotSyncs (endpoint 1 is listed as "Generic" in the endpoint descriptions). Relevant code is then: i = 0; /* 0 or USBD_SHORT_XFER_OK */ if (ioctl(endpoint_fd, USB_SET_SHORT_XFER, &i) < 0) { i = 50; if (ioctl(endpoint_fd, USB_SET_TIMEOUT, &i) < 0) { later, writes to the endpoint go fine, but a read() on the endpoint_fd returns immediately with ETIMEDOUT if the USB_TIMEOUT is non-0. I'v...