Hey,
> Let me provide some additional information and new test log messages.
>
> The problem I reported is improved one setp. Originally it was like:
> root at LEDE:~# mmcli -L
> error: couldn't create manager: Timeout was reached
>
> Now it is like:
> root@LEDE:~# mmcli -L
> No modems were found
>
> I had to enable "dbus-utils" under "Utilities" of openwrt make menuconfig. So
> it seems that now mmcli talks with ModemManager at last. The problem now
> belongs to ModemManager not in the mmcli.
>
>
> And I created the rule file you provided:
>
> # vim /lib/udev/rules.d/78-mm-custom.rules to fit to my modem:
> ACTION!="add|change|move", GOTO="mm_custom_end"
> DEVPATH=="/sys/devices/platform/1a0c0000.usb/usb2/2-1",
> ENV{ID_MM_TTY_BAUDRATE}="115200"
> DEVPATH=="/sys/devices/platform/1a0c0000.usb/usb2/2-1",
> ENV{ID_MM_TTY_FLOW_CONTROL}="xon-xoff"
> LABEL="mm_custom_end"
>
> I wonder if these rule files are supposed to be provided from the modem
> provider. In my case, it is Hucom wireless.
> Can I ask them to provide this file?
>
> My modem is supposed to operate with this configs:
>
> device : /dev/ttyUSB1
> baudrate : 115200,
> parity : none,
> data : 8,
> stop : 1,
> flow : xon_xoff
>
> And I added config section like shown below in the /etc/config/network:
>
> config interface 'broadband'
> option device '/sys/devices/platform/1a0c0000.usb/usb2/2-1'
> option proto 'modemmanager'
> option apn '5g-internet.sktelecom.com'
> option username ''
> option password ''
> option pincode ''
> option lowpower '1'
>
> I don't know the username and password, but maybe it wouldn't be needed at
> all. the pincode... I have no idea with this..
>
> And also I added "--debug" in the start script /etc/rc.d/S70modemmanager:
>
> procd_set_param command /usr/sbin/ModemManager --debug
>
> And with these conditions, I rebooted my linux box and after the reboot is
> done, maybe 5 minutes later I captured log message:
> logread > logread_last.log
>
> And I attached it in this email. Please find the log message and see it
> through.
>
> And you wanted to know what modem is mine:
> The modem is HUCOM HM-900
>
> Kernel message related to the hucom modem:
> ==== [hucom_wwan_bind] : HUCOM HM9xx ====
> qmi_wwan_hucom 2-1:1.2: cdc-wdm0: USB WDM device
> HUCOM usbnet bind here
> qmi_wwan_hucom 2-1:1.2 wwan0: register 'qmi_wwan_hucom' at
> usb-1a0c0000.usb-1, HUCOM wwan/QMI device, a2:25:55:58:dd:dd
> ==== [hucom_wwan_bind] : HUCOM HM9xx ====
> ahci 1a200000.sata: couldn't get PHY in node sata: -517
> qmi_wwan_hucom: probe of 2-1:1.3 failed with error -22
> ==== [hucom_wwan_bind] : HUCOM HM9xx ====
> qmi_wwan_hucom: probe of 2-1:1.4 failed with error -22
> usbcore: registered new interface driver qmi_wwan_hucom
> l2tp_ppp: PPPoL2TP kernel driver, V2.0
> usbcore: registered new interface driver option
> usbserial: USB Serial support registered for GSM modem (1-port)
> option 2-1:1.0: GSM modem (1-port) converter detected
> usb 2-1: GSM modem (1-port) converter now attached to ttyUSB0
> option 2-1:1.1: GSM modem (1-port) converter detected
> ahci 1a200000.sata: couldn't get PHY in node sata: -517
> usb 2-1: GSM modem (1-port) converter now attached to ttyUSB1
> option 2-1:1.3: GSM modem (1-port) converter detected
> ahci 1a200000.sata: couldn't get PHY in node sata: -517
> option 2-1:1.4: GSM modem (1-port) converter detected
> ahci 1a200000.sata: couldn't get PHY in node sata: -517
> option 2-1:1.5: GSM modem (1-port) converter detected
> ahci 1a200000.sata: couldn't get PHY in node sata: -517
> usb 2-1: GSM modem (1-port) converter now attached to ttyUSB4
> ahci 1a200000.sata: couldn't get PHY in node sata: -517
> kmodloader: done loading kernel modules from /etc/modules.d/*
>
>
> My system environement(HW/SW) :
>
> Target Model : MediaTek MT7622 AC4300rfb1 board
> Firmware Version : LEDE Reboot 17.01-SNAPSHOT unknown / LuCI
> Kernel Version : 4.4.124
> Modem : HUCOM HM-900
> ModemManager
> Version : 1.12.8
> menuconfig : (QMI on, MBIM off)
>
> It is QMI device.
> qmichannel : /dev/cdc-wdm0
> usbnet_adapter : /sys/class/net/wwan0
> /sys/bus/usb/devices/2-1/manufacturer : QCOM
> /sys/bus/usb/devices/2-1/idVendor :05C6
> /sys/bus/usb/devices/2-1/idProduct :90db
> /sys/bus/usb/devices/2-1/speed :5000
> /sys/bus/usb/devices/2-1/product :SDXPRAIRIE-MTP _SN:B02CE51B
> /sys/bus/usb/devices/2-1/version :3.20
> /sys/bus/usb/devices/2-1:1.2/net/wwan0
> /sys/bus/usb/devices/2-1:1.2/net/wwan0/device/driver
> /sys/bus/usb/devices/2-1:1.2/net/wwan0/device
> /sys/bus/usb/devices/2-1:1.2/usbmisc/cdc-wdm0
> /sys/devices/platform/1a0c0000.usb/usb2/2-1/2-1:1.2
>
> Kernel modules watched via lsmod
> cdc_wdm 8821 1 qmi_wwan
> qmi_wwan 6252 0
> usbcore 153512 20
> option,usb_wwan,qmi_wwan,cdc_ncm,cdc_ether,usbserial,usbnet,usblp,cdc_wdm,cdc_acm,usb_storage,xhci_mtk,xhci_plat_hcd,xhci_pci,xhci_hcd,uhci_hcd,ohci_platform,ohci_hcd,ehci_platform,ehci_hcd
> usbnet 19027 3 qmi_wwan,cdc_ncm,cdc_ether
>
> And usbnet adapter kernel module : qmi_wwan.c written by Bjørn Mork
> USB serial driver option.c written by Matthias Urlichs
>
> Do I miss anything?
>
> F.Y.I. the modemmanager was not included in my OpenWRT source code. I copied
> it from https://github.com/openwrt/packages and I just enabled it via openwrt
> make menuconfig.
>
> Thank you very much in advance!
>
Discussion is ongoing in the openwrt-devel mailing list already:
http://lists.infradead.org/pipermail/openwrt-devel/2020-May/023251.html
--
Aleksander
https://aleksander.es
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