Date: Sat, 9 Jan 2016 20:07:32 -0800 From: Mark Johnston <markjdb@gmail.com> To: freebsd-usb@freebsd.org Subject: CP2102 UART adapter not attaching Message-ID: <20160110040732.GA2606@raichu>
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Hi, I have the module listed here: http://www.amazon.com/KEDSUM%C2%AE-CP2102-Module-Download-Converter/dp/B009T2ZR6W Under Windows 8 it works perfectly, but on FreeBSD-CURRENT I get: usb_alloc_device: set address 3 failed (USB_ERR_STALLED, ignored) usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED usbd_req_re_enumerate: addr=3, set address failed! (USB_ERR_STALLED, ignored) usbd_setup_device_desc: getting device descriptor at addr 3 failed, USB_ERR_STALLED ugen1.3: <Unknown> at usbus1 (disconnected) uhub_reattach_port: could not allocate new device It looks like this device should be handled by uslcom(4), but it looks like we can't even get the device descriptor. How can I go about debugging this? Thanks, -Mark
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