On Tue, 2017-03-21 at 19:56 +0000, Jan Graczyk wrote: > Hello Dan, > > Here is the ModemManager debug logging with my recent udev rule > added:
For whatever reason, ttymxc2 is not responding to AT commands. Are you able to talk to that port directly with minicom or something similar? Dan > root@linaro-alip:~# ModemManager --debug > ModemManager[1623]: <info> [1490123697.480062] [main.c:140] main(): > ModemManager (version 1.4.0) starting in system bus... > ModemManager[1623]: <debug> [1490123697.502634] [main.c:65] > bus_acquired_cb(): Bus acquired, creating manager... > ModemManager[1623]: <debug> [1490123697.520416] [mm-plugin- > manager.c:852] load_plugins(): Looking for plugins in '/usr/lib/arm- > linux-gnueabihf/ModemManager' > ModemManager[1623]: <debug> [1490123697.522802] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Nokia (Icera)' > ModemManager[1623]: <debug> [1490123697.524392] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'AnyDATA' > ModemManager[1623]: <debug> [1490123697.525883] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Option' > ModemManager[1623]: <debug> [1490123697.527330] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'X22X' > ModemManager[1623]: <debug> [1490123697.528752] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Pantech' > ModemManager[1623]: <debug> [1490123697.530279] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Iridium' > ModemManager[1623]: <debug> [1490123697.531809] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Novatel' > ModemManager[1623]: <debug> [1490123697.533273] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'MTK' > ModemManager[1623]: <debug> [1490123697.534832] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Generic' > ModemManager[1623]: <debug> [1490123697.536357] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Gobi' > ModemManager[1623]: <debug> [1490123697.537969] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Huawei' > ModemManager[1623]: <debug> [1490123697.539526] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Sierra' > ModemManager[1623]: <debug> [1490123697.541052] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Option High-Speed' > ModemManager[1623]: <debug> [1490123697.542537] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Motorola' > ModemManager[1623]: <debug> [1490123697.544192] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Via CBP7' > ModemManager[1623]: <debug> [1490123697.545752] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Samsung' > ModemManager[1623]: <debug> [1490123697.547194] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'SimTech' > ModemManager[1623]: <debug> [1490123697.548733] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Nokia' > ModemManager[1623]: <debug> [1490123697.550220] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Wavecom' > ModemManager[1623]: <debug> [1490123697.551770] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Novatel LTE' > ModemManager[1623]: <debug> [1490123697.553265] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Longcheer' > ModemManager[1623]: <debug> [1490123697.555024] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Cinterion' > ModemManager[1623]: <debug> [1490123697.556584] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'ZTE' > ModemManager[1623]: <debug> [1490123697.558134] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Linktop' > ModemManager[1623]: <debug> [1490123697.559682] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Telit' > ModemManager[1623]: <debug> [1490123697.561223] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Altair LTE' > ModemManager[1623]: <debug> [1490123697.562785] [mm-plugin- > manager.c:877] load_plugins(): Loaded plugin 'Ericsson MBM' > ModemManager[1623]: <debug> [1490123697.562921] [mm-plugin- > manager.c:902] load_plugins(): Successfully loaded 27 plugins > ModemManager[1623]: <debug> [1490123697.571097] [main.c:87] > name_acquired_cb(): Service name 'org.freedesktop.ModemManager1' was > acquired > ModemManager[1623]: <debug> [1490123697.571229] [mm-base- > manager.c:479] mm_base_manager_start(): Starting automatic device > scan... > ModemManager[1623]: <debug> [1490123697.612974] [mm-base- > manager.c:518] mm_base_manager_start(): Finished device scan... > ModemManager[1623]: <debug> [1490123697.617866] [mm-base- > manager.c:314] device_added(): (tty/ttymxc0): port's parent platform > driver is not whitelisted > ModemManager[1623]: <debug> [1490123697.620444] [mm-base- > manager.c:314] device_added(): (tty/ttymxc1): port's parent platform > driver is not whitelisted > ModemManager[1623]: <debug> [1490123697.623656] [mm-plugin- > manager.c:739] mm_plugin_manager_find_device_support(): (Plugin > Manager) [/sys/devices/soc0/soc/2100000.aips-bus/21ec000.serial] > Checking device support... > ModemManager[1623]: <debug> [1490123697.625380] [mm-plugin.c:326] > apply_pre_probing_filters(): (Nokia (Icera)) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.626617] [mm-plugin.c:326] > apply_pre_probing_filters(): (AnyDATA) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.627761] [mm-plugin.c:253] > apply_pre_probing_filters(): (Option) [ttymxc2] filtered by drivers > ModemManager[1623]: <debug> [1490123697.628880] [mm-plugin.c:326] > apply_pre_probing_filters(): (X22X) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.630003] [mm-plugin.c:326] > apply_pre_probing_filters(): (Pantech) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.630112] [mm-plugin.c:326] > apply_pre_probing_filters(): (Novatel) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.630181] [mm-plugin.c:380] > apply_pre_probing_filters(): (MTK) [ttymxc2] filtered by udev tags > ModemManager[1623]: <debug> [1490123697.630235] [mm-plugin.c:253] > apply_pre_probing_filters(): (Gobi) [ttymxc2] filtered by drivers > ModemManager[1623]: <debug> [1490123697.962271] [mm-plugin.c:326] > apply_pre_probing_filters(): (Huawei) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.962452] [mm-plugin.c:253] > apply_pre_probing_filters(): (Sierra) [ttymxc2] filtered by drivers > ModemManager[1623]: <debug> [1490123697.962576] [mm-plugin.c:253] > apply_pre_probing_filters(): (Option High-Speed) [ttymxc2] filtered > by drivers > ModemManager[1623]: <debug> [1490123697.962690] [mm-plugin.c:326] > apply_pre_probing_filters(): (Motorola) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.962814] [mm-plugin.c:326] > apply_pre_probing_filters(): (Samsung) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.962926] [mm-plugin.c:326] > apply_pre_probing_filters(): (SimTech) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.963053] [mm-plugin.c:326] > apply_pre_probing_filters(): (Wavecom) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.963164] [mm-plugin.c:326] > apply_pre_probing_filters(): (Novatel LTE) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.963272] [mm-plugin.c:326] > apply_pre_probing_filters(): (Longcheer) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.963392] [mm-plugin.c:326] > apply_pre_probing_filters(): (ZTE) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.973741] [mm-plugin.c:326] > apply_pre_probing_filters(): (Linktop) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.973923] [mm-plugin.c:326] > apply_pre_probing_filters(): (Telit) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.974045] [mm-plugin.c:326] > apply_pre_probing_filters(): (Altair LTE) [ttymxc2] filtered by > vendor/product IDs > ModemManager[1623]: <debug> [1490123697.974185] [mm-plugin.c:380] > apply_pre_probing_filters(): (Ericsson MBM) [ttymxc2] filtered by > udev tags > ModemManager[1623]: <debug> [1490123697.974312] [mm-plugin- > manager.c:640] build_plugins_list(): (Plugin Manager) [ttymxc2] Found > '5' plugins to try... > ModemManager[1623]: <debug> [1490123697.974424] [mm-plugin- > manager.c:644] build_plugins_list(): (Plugin Manager) > [ttymxc2] Will try with plugin 'Iridium' > ModemManager[1623]: <debug> [1490123697.974533] [mm-plugin- > manager.c:644] build_plugins_list(): (Plugin Manager) > [ttymxc2] Will try with plugin 'Via CBP7' > ModemManager[1623]: <debug> [1490123697.974639] [mm-plugin- > manager.c:644] build_plugins_list(): (Plugin Manager) > [ttymxc2] Will try with plugin 'Nokia' > ModemManager[1623]: <debug> [1490123697.974749] [mm-plugin- > manager.c:644] build_plugins_list(): (Plugin Manager) > [ttymxc2] Will try with plugin 'Cinterion' > ModemManager[1623]: <debug> [1490123697.974861] [mm-plugin- > manager.c:644] build_plugins_list(): (Plugin Manager) > [ttymxc2] Will try with plugin 'Generic' > ModemManager[1623]: <debug> [1490123697.975255] [mm-plugin.c:767] > mm_plugin_supports_port(): (Iridium) [ttymxc2] probe required: 'at, > at-vendor, at-product' > ModemManager[1623]: <debug> [1490123697.975464] [mm-port- > probe.c:1353] mm_port_probe_run(): (tty/ttymxc2) launching port > probing: 'at, at-vendor, at-product' > ModemManager[1623]: <debug> [1490123697.977582] [mm-base- > manager.c:314] device_added(): (tty/ttymxc4): port's parent platform > driver is not whitelisted > ModemManager[1623]: <debug> [1490123698.000339] [mm-base- > manager.c:314] device_added(): (net/can0): port's parent platform > driver is not whitelisted > ModemManager[1623]: <debug> [1490123698.002695] [mm-base- > manager.c:314] device_added(): (net/can1): port's parent platform > driver is not whitelisted > ModemManager[1623]: <debug> [1490123698.010639] [mm-base- > manager.c:314] device_added(): (net/eth0): port's parent platform > driver is not whitelisted > ModemManager[1623]: <debug> [1490123698.013213] [mm-base- > manager.c:290] device_added(): (net/sit0): could not get port's > parent device > ModemManager[1623]: <debug> [1490123698.016842] [mm-port- > serial.c:1099] mm_port_serial_open(): (ttymxc2) opening serial > port... > ModemManager[1623]: <debug> [1490123698.025899] [mm-port- > serial.c:1237] mm_port_serial_open(): (ttymxc2) device open count is > 1 (open) > ModemManager[1623]: <debug> [1490123698.126826] [mm-port-serial- > at.c:440] debug_log(): (ttymxc2): --> 'AT<CR>' > ModemManager[1623]: <debug> [1490123699.675043] [mm-plugin- > manager.c:710] min_probing_timeout_cb(): (Plugin Manager) > [/sys/devices/soc0/soc/2100000.aips-bus/21ec000.serial] Minimum > probing time consumed > ModemManager[1623]: <debug> [1490123701.676723] [mm-port-probe- > at.c:43] mm_port_probe_response_processor_is_at(): Parsing AT got: > 'Serial command timed out' > ModemManager[1623]: <debug> [1490123701.677231] [mm-port-serial- > at.c:440] debug_log(): (ttymxc2): --> 'AT<CR>' > ModemManager[1623]: <debug> [1490123704.677040] [mm-port-probe- > at.c:43] mm_port_probe_response_processor_is_at(): Parsing AT got: > 'Serial command timed out' > ModemManager[1623]: <debug> [1490123704.677497] [mm-port-serial- > at.c:440] debug_log(): (ttymxc2): --> 'AT<CR>' > ModemManager[1623]: <debug> [1490123707.677319] [mm-port-probe- > at.c:43] mm_port_probe_response_processor_is_at(): Parsing AT got: > 'Serial command timed out' > ModemManager[1623]: <debug> [1490123707.677559] [mm-port-probe.c:162] > mm_port_probe_set_result_at(): (tty/ttymxc2) port is not AT-capable > ModemManager[1623]: <debug> [1490123707.677913] [mm-port- > serial.c:1296] mm_port_serial_close(): (ttymxc2) device open count is > 0 (close) > ModemManager[1623]: <debug> [1490123707.678076] [mm-port- > serial.c:1312] mm_port_serial_close(): (ttymxc2) closing serial > port... > ModemManager[1623]: <debug> [1490123707.683943] [mm-port- > serial.c:1361] mm_port_serial_close(): (ttymxc2) serial port closed > ModemManager[1623]: <debug> [1490123707.684170] [mm-port- > serial.c:1415] port_serial_close_force(): (ttymxc2) forced to close > port > ModemManager[1623]: <debug> [1490123707.684493] [mm-plugin.c:454] > apply_post_probing_filters(): (Iridium) [ttymxc2] filtered as no > vendor/product strings given > ModemManager[1623]: <debug> [1490123707.684875] [mm-plugin.c:767] > mm_plugin_supports_port(): (Via CBP7) [ttymxc2] probe required: 'at, > at-vendor, at-product' > ModemManager[1623]: <debug> [1490123707.685131] [mm-plugin.c:454] > apply_post_probing_filters(): (Via CBP7) [ttymxc2] filtered as no > vendor/product strings given > ModemManager[1623]: <debug> [1490123707.685403] [mm-plugin.c:767] > mm_plugin_supports_port(): (Nokia) [ttymxc2] probe required: 'at, at- > vendor, at-icera' > ModemManager[1623]: <debug> [1490123707.685617] [mm-plugin.c:429] > apply_post_probing_filters(): (Nokia) [ttymxc2] filtered by vendor > strings > ModemManager[1623]: <debug> [1490123707.685870] [mm-plugin.c:767] > mm_plugin_supports_port(): (Cinterion) [ttymxc2] probe required: 'at, > at-vendor' > ModemManager[1623]: <debug> [1490123707.686083] [mm-plugin.c:429] > apply_post_probing_filters(): (Cinterion) [ttymxc2] filtered by > vendor strings > ModemManager[1623]: <debug> [1490123707.686324] [mm-plugin.c:767] > mm_plugin_supports_port(): (Generic) [ttymxc2] probe required: 'at, > qcdm' > ModemManager[1623]: <debug> [1490123707.686467] [mm-port- > probe.c:1353] mm_port_probe_run(): (tty/ttymxc2) launching port > probing: 'qcdm' > ModemManager[1623]: <debug> [1490123707.686652] [mm-port-probe.c:658] > serial_probe_qcdm(): (tty/ttymxc2) probing QCDM... > ModemManager[1623]: <debug> [1490123707.687009] [mm-port- > serial.c:1099] mm_port_serial_open(): (ttymxc2) opening serial > port... > ModemManager[1623]: <debug> [1490123707.694811] [mm-port- > serial.c:1237] mm_port_serial_open(): (ttymxc2) device open count is > 1 (open) > ModemManager[1623]: <debug> [1490123707.695221] [mm-port-serial- > qcdm.c:201] debug_log(): (ttymxc2): --> 7e 00 78 f0 7e > ModemManager[1623]: <debug> [1490123710.676988] [mm-port-serial- > qcdm.c:201] debug_log(): (ttymxc2): --> 7e 00 78 f0 7e > ModemManager[1623]: <debug> [1490123713.677471] [mm-port-probe.c:258] > mm_port_probe_set_result_qcdm(): (tty/ttymxc2) port is not QCDM- > capable > ModemManager[1623]: <debug> [1490123713.677854] [mm-port- > serial.c:1296] mm_port_serial_close(): (ttymxc2) device open count is > 0 (close) > ModemManager[1623]: <debug> [1490123713.678016] [mm-port- > serial.c:1312] mm_port_serial_close(): (ttymxc2) closing serial > port... > ModemManager[1623]: <debug> [1490123713.683862] [mm-port- > serial.c:1361] mm_port_serial_close(): (ttymxc2) serial port closed > ModemManager[1623]: <debug> [1490123713.684128] [mm-port- > serial.c:1415] port_serial_close_force(): (ttymxc2) forced to close > port > ModemManager[1623]: <debug> [1490123713.684485] [mm-plugin- > manager.c:462] plugin_supports_port_ready(): (Plugin Manager) > (Generic) [ttymxc2] found best plugin for port > ModemManager[1623]: <debug> [1490123713.684810] [mm-plugin- > manager.c:316] port_probe_context_finished(): (Plugin Manager) > 'ttymxc2' port probe finished, last one in device > ModemManager[1623]: <debug> [1490123713.685006] [mm-plugin- > manager.c:138] find_device_support_context_complete_and_free(): > (Plugin Manager) [/sys/devices/soc0/soc/2100000.aips- > bus/21ec000.serial] device support check finished in '16.059923' > seconds > ModemManager[1623]: <info> [1490123713.685229] [mm-device.c:509] > mm_device_create_modem(): Creating modem with plugin 'Generic' and > '1' ports > ModemManager[1623]: <warn> [1490123713.699372] [mm-plugin.c:905] > mm_plugin_create_modem(): Could not grab port (tty/ttymxc2): 'Cannot > add port 'tty/ttymxc2', unhandled serial type' > ModemManager[1623]: <debug> [1490123713.699802] [mm-base- > modem.c:1485] finalize(): Modem (Generic) > '/sys/devices/soc0/soc/2100000.aips-bus/21ec000.serial' completely > disposed > ModemManager[1623]: <warn> [1490123713.700779] [mm-base- > manager.c:158] find_device_support_ready(): Couldn't create modem for > device at '/sys/devices/soc0/soc/2100000.aips-bus/21ec000.serial': > Failed to find primary AT port > > 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 12:48 PM > 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 19:46 +0000, Jan Graczyk wrote: > > Hello Dan, > > > > I have got better result with that udev rule: > > > > ACTION=="add", KERNEL=="21ec000.serial", > > ENV{ID_MM_PLATFORM_DRIVER_PROBE}="1" > > > > However mmcli -L still cannot find the modem. May be I need to add > > the > > support for QUECTEL UC20 device inside ModemManager. > > Please provide ModemManager debug logging. We can't help figure out > what's going on without it here. > > 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: Dan Williams [mailto:[email protected]] > > Sent: Tuesday, March 21, 2017 11:17 AM > > To: Jan Graczyk <[email protected]>; Aleksander Morgado <aleksander@al > > ek > > sander.es> > > Cc: [email protected] > > Subject: Re: Could not acquire the 'org.freedesktop.ModemManager1' > > service name > > > > On Tue, 2017-03-21 at 17:30 +0000, Jan Graczyk wrote: > > > Hello Dan, > > > > > > I have not noticed that I am getting an e-mail from you. I am > > > sorry > > > for that. Here is the output for the requested command: > > > > > > root@linaro-alip:~# udevadm info --attribute-walk > > > /sys/class/tty/ttymxc2/ > > > > > > Udevadm info starts with the device specified by the devpath and > > > then walks up the chain of parent devices. It prints for every > > > device found, all possible attributes in the udev rules key > > > format. > > > A rule to match, can be composed by the attributes of the device > > > and > > > the attributes from one single parent device. > > > > Ok, so it's not actually PCIe, at least according to the kernel > > data. > > > > You want to whitelist the "imx-uart" driver. Add a file called > > /etc/udev/rules.d/60-mm-imx-uart-whitelist.rules that contains: > > > > ACTION!="add|change|move", GOTO="mm_platform_device_whitelist_end" > > SUBSYSTEM!="platform", GOTO="mm_platform_device_whitelist_end" > > DRIVERS=="imx-uart", ENV{ID_MM_PLATFORM_DRIVER_PROBE}="1" > > LABEL="mm_platform_device_whitelist_end" > > > > and then restart the machine. Does that work? > > > > Dan > > > > > looking at device '/devices/soc0/soc/2100000.aips- > > > bus/21ec000.serial/tty/ttymxc2': > > > KERNEL=="ttymxc2" > > > SUBSYSTEM=="tty" > > > DRIVER=="" > > > ATTR{close_delay}=="50" > > > ATTR{closing_wait}=="3000" > > > ATTR{custom_divisor}=="0" > > > ATTR{flags}=="0x10000000" > > > ATTR{io_type}=="2" > > > ATTR{iomem_base}=="0x21EC000" > > > ATTR{iomem_reg_shift}=="0" > > > ATTR{irq}=="305" > > > ATTR{line}=="2" > > > ATTR{port}=="0x0" > > > ATTR{type}=="62" > > > ATTR{uartclk}=="80000000" > > > ATTR{xmit_fifo_size}=="32" > > > > > > looking at parent device '/devices/soc0/soc/2100000.aips- > > > bus/21ec000.serial': > > > KERNELS=="21ec000.serial" > > > SUBSYSTEMS=="platform" > > > DRIVERS=="imx-uart" > > > ATTRS{driver_override}=="(null)" > > > > > > looking at parent device '/devices/soc0/soc/2100000.aips-bus': > > > KERNELS=="2100000.aips-bus" > > > SUBSYSTEMS=="platform" > > > DRIVERS=="" > > > ATTRS{driver_override}=="(null)" > > > > > > looking at parent device '/devices/soc0/soc': > > > KERNELS=="soc" > > > SUBSYSTEMS=="platform" > > > DRIVERS=="" > > > ATTRS{driver_override}=="(null)" > > > > > > looking at parent device '/devices/soc0': > > > KERNELS=="soc0" > > > SUBSYSTEMS=="soc" > > > DRIVERS=="" > > > ATTRS{family}=="Freescale i.MX" > > > ATTRS{machine}=="Variscite i.MX6 DL/Solo SOM-SOLO SOM-DUAL" > > > ATTRS{revision}=="1.3" > > > ATTRS{soc_id}=="i.MX6DL" > > > > > > root@linaro-alip:~# > > > > > > 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 10:21 AM > > > To: Jan Graczyk <[email protected]>; Aleksander Morgado <aleksander@ > > > al > > > ek sander.es> > > > Cc: [email protected] > > > Subject: Re: Could not acquire the > > > 'org.freedesktop.ModemManager1' > > > service name > > > > > > 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@ > > > > al ek 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-d > > > > > ev > > > > > el > > > > _______________________________________________ > > 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
