On Tue, 2017-03-21 at 16:59 +0000, Jan Graczyk wrote: > Hello Aleksander, > > The Queltec UC20 modem is sitting on my development board PCIe bus. > When I issue the command udevadm info /dev/ttymxc2 I am getting > response:
We care more about the parents though, so could you: udevadm info --attribute-walk /sys/class/tty/ttymxc2 Dan > root@linaro-alip:~# udevadm info /dev/ttymxc2 > P: /devices/soc0/soc/2100000.aips-bus/21ec000.serial/tty/ttymxc2 > N: ttymxc2 > E: DEVNAME=/dev/ttymxc2 > E: DEVPATH=/devices/soc0/soc/2100000.aips- > bus/21ec000.serial/tty/ttymxc2 > E: ID_MM_CANDIDATE=1 > E: MAJOR=207 > E: MINOR=18 > E: SUBSYSTEM=tty > E: TAGS=:systemd: > E: USEC_INITIALIZED=8343793 > > root@linaro-alip:~# > > Also the command mmcli -L reports: No modems were found. Do I need to > create udev rule for this device? How the udev rule should look like > for this device? Also after connecting to modem through Kermit I can > issue AT command and see the mobile networks. > > Best Regards, > Jan Graczyk > > This email message may contain confidential and privileged > information. Any unauthorized use is prohibited. If you are not the > intended recipient, please contact the sender by reply email and > destroy all copies of the original message. > > > -----Original Message----- > From: Dan Williams [mailto:[email protected]] > Sent: Tuesday, March 21, 2017 9:41 AM > To: Jan Graczyk <[email protected]>; Aleksander Morgado <aleksander@alek > sander.es> > Cc: [email protected] > Subject: Re: Could not acquire the 'org.freedesktop.ModemManager1' > service name > > On Tue, 2017-03-21 at 16:33 +0000, Jan Graczyk wrote: > > Hello Aleksander, > > > > Thank you for your response. I have actually stopped running Modem > > Manger and then I have issued the command ModemManager --debug. > > This > > time the service name was acquired. However I have got another > > problem. The mm-base-manager.c:314 reports error device added(): > > (tty/ttymxc2): port's parent platform driver is not whitelisted. > > Do > > you know the solution for this problem? Thank you for your support. > > What is the device hooked up to on the machine itself? ModemManager > does not usually auto-probe various platform drivers, because it > cannot know that a modem is connected as these are not USB/PCI/etc > and either do not provide device identifiers, or the device is a > generic serial adapter which doesn't necessarily indicate a modem > either (eg, it could have a UPS attached or something). > > So generally for these devices, if you have one you know what you are > doing, and you can add a whitelist entry for it quite easily with > udev rules. But let's confirm the details first. > > Dan > > > Best Regards, > > Jan Graczyk > > > > This email message may contain confidential and privileged > > information. Any unauthorized use is prohibited. If you are not > > the > > intended recipient, please contact the sender by reply email and > > destroy all copies of the original message. > > > > > > -----Original Message----- > > From: Aleksander Morgado [mailto:[email protected]] > > Sent: Tuesday, March 21, 2017 2:15 AM > > To: Jan Graczyk <[email protected]> > > Cc: [email protected] > > Subject: Re: Could not acquire the 'org.freedesktop.ModemManager1' > > service name > > > > On Tue, Mar 21, 2017 at 12:55 AM, Jan Graczyk <[email protected]> > > wrote: > > > > > > I have installed Quectel UC20 modem on my development board PCIe > > > bus. The Linux modem device for Quectel UC20 modem is showing up > > > as > > > /dev/ttymxc2. When I try to run mmcli -L or ModemManager –debug > > > the > > > message “Could not acquire the 'org.freedesktop.ModemManager1' > > > service name” is showing up. How to connect my Linux modem device > > > /dev/ttymxc2 to ModemManger? I appreciate very much help from > > > you. > > > > > > Do you have the DBus daemon running in your system? ModemManager > > will > > grab the "org.freedesktop.ModemManager1" name in the system bus > > exposed by DBus; mmcli talks to ModemManager through that bus. > > > > > > -- > > Aleksander > > https://aleksander.es > > _______________________________________________ > > ModemManager-devel mailing list > > [email protected] > > https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel _______________________________________________ ModemManager-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
