The best advice is probably what you get if you google “doctor it hurts when i do this”. Romualduimi: cdc_mbim 2-4:1.0: nonzero urb status received: -EPIPEĪll known firmwares for the EM7345 are buggy beyond repair. ![]() # mbimcli -d /dev/cdc-wdm0 -p -set-radio-state=off # mbimcli -d /dev/cdc-wdm0 -p -set-radio-state=onĬdc_mbim 2-4:1.0: nonzero urb status received: -EPIPE # mbimcli -d /dev/cdc-wdm0 -p -query-radio-state Sierra Wireless EM7345 4G LTEĠ bluetooth tpacpi_bluetooth_sw unblocked unblockedġ wwan tpacpi_wwan_sw unblocked unblocked ![]() ![]() When changing software radio state of the modem with mbimcli command error is registered in kernel ring buffer: cdc_mbim 2-4:1.0: nonzero urb status received: -EPIPE The radio of Sierra Wireless EM7345 4G LTE modem in my ThinkPad T450s laptop is switched off after Linux rfkill block command, but it does not switches back on after rfkill unblock command.
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