On 06/04/17 21:14, Jan Graczyk wrote:
> I am using Quectel UC20 mini PCIe modem on my development board and running
> ModemManager on it. Since ModemManager is using by default baud rate set to
> 57600 I have decided to move to the latest version of ModemManager (1.7.0)
> since there is a possibility to set udev rule for baud rate
> ENV{ID_MM_TTY_BAUDRATE}="115200". However after rebuilding ModemManager
> version 1.7.0 for ARM architecture and running it on my development board I
> have got the following error:
>
> ModemManager[1624]: <debug> [1491504870.296599] [mm-plugin-manager.c:1609]
> load_plugins(): [plugin manager] successfully loaded 32 plugins
> ModemManager[1624]: <debug> [1491504870.304070] [main.c:106]
> name_acquired_cb(): Service name 'org.freedesktop.ModemManager1' was acquired
> ModemManager[1624]: <debug> [1491504870.636683] [mm-base-manager.c:573]
> mm_base_manager_start(): Starting automatic device scan...
> ModemManager[1624]: <debug> [1491504870.720354] [mm-base-manager.c:575]
> mm_base_manager_start(): Finished device scan...
> ModemManager: symbol lookup error: ModemManager: undefined symbol:
> mm_kernel_event_properties_get_type
>
> [1]+ Exit 127 ModemManager -debug
>
> The only stable version of ModemManager which runs on my development board is
> 1.4.0. But when using that version I need to set Quectel UC20 modem baud rate
> to 57600 using AT+IPR=57600 command. I would like to take advantage of
> ModemManager version 1.7.0 but unfortunately I am getting the above error
> while running it.
Looks like you didn't install the newly compiled version properly.
You're running the ModemManager daemon from git master, and looks like
it's linking to "libmm-glib" from an older version.
How did you configure ModemManager to build, and how are you running it?
--
Aleksander
https://aleksander.es
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