Hi,
On 09/12/2019 07:50, JH wrote:
Hi,
I get 4G LTE RSSI from dbus connman service, I usually got about -61 I
thought it was accurate. But today, we are doing a test to check 4G LTE
RSSI based on different antennas, when connected to a antenna, the RSSI
is about -61, when I did not connect to an antenna, the RSSI = -40 but
the 4G LTE connection lost:
kernel: qmi_wwan 1-1:1.3: nonzero urb status received: -71.
Here your modem has probably crashed, right?
Apparently that RSSI = -40 was wrong in the situation of without antenna
connection. I tried to build qmicli, but I could not get it running.
googling Internet, people pointed out, it could not be run if the qmi is
running by other services (ofono is running qmi on /dev/cdc-wdm0).
# qmicli --nas-get-signal-strength --device=/dev/cdc-wdm0
error: couldn't create client for the 'nas' service: CID allocation
failed in the CTL client: Transaction timed out
Just make sure ofono is stopped before running ofono.
# systemctl stop ofono
/Jonas
Appreciate tips how to get qmicli running.
Thank you.
Kind regards,
- jh
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