dwc_otg problem

[Hans Petter Selasky]

On 12/13/16 10:01, Ganbold Tsagaankhuu wrote:
> usb_alloc_device: set address 2 failed (USB_ERR_TIMEOUT, ignored)
> usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> USB_ERR_TIMEOUT
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT,
> ignored)
> usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> USB_ERR_TIMEOUT
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT,
> ignored)
> usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> USB_ERR_TIMEOUT
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT,
> ignored)
> usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> USB_ERR_TIMEOUT
> usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT,
> ignored)
> usbd_setup_device_desc: getting device descriptor at addr 2 failed,
> USB_ERR_TIMEOUT
> ugen1.2: <Unknown > at usbus1 (disconnected)
> uhub_reattach_port: could not allocate new device
> ...

Hi,

This might look like a DWC OTG IRQ problem. Can you check "vmstat -i" ?

--HPS