qmi_wwan 1-1.3:1.8: nonzero urb status received: -71 (-71 == EPROTO)

[Markus Gothe]

Did you check what your CSQ (AT+CSQ) is when receiving the error?

//M

Skickat ifrån min mobil.
Den 28 okt 2014 06:17 skrev Gopakumar Choorakkot Edakkunni <gopakumar.c.e at gmail.com>:
>
> Hi QMI experts,
>
> I have an AC 340U modem for which I periodically monitor the signal strength using the qmicli below. At times when my signal strength drop badly down to zero, I see that qmicli spits out the below errors continuosly. I did a google and saw some discussions around the EPIPE error, but none around EPROTO. Any thoughts/comments/suggestions would be very helpful !
>
> qmicli -d </dev/...> --nas-get-signal-info
>
> <logs>
> qmi_wwan 1-1.3:1.8: nonzero urb status received: -71 (-71 == EPROTO)
> qmi_wwan 1-1.3:1.8: wdm_int_callback - 0 bytes
> qmi_wwan 1-1.3:1.8: nonzero urb status received: -71
> qmi_wwan 1-1.3:1.8: wdm_int_callback - 0 bytes
>
> Rgds,
> Gopa.
>
>
>