Sierra EM7355 - Cannot connect

[Yevgeny Bar Lev]

Hello,
Thank you for the prompt response,
I am using,
/usr/lib/libmbim-glib.so -> libmbim-glib.so.4.3.0
and
ModemManager (version 1.8.0)
Kernel 4.17.14
On Mon, Aug 27, 2018 at 12:10 PM Aleksander Morgado
<aleksander at aleksander.es> wrote:
>
> Hey,
>
> On Sat, Aug 25, 2018 at 2:03 PM, Yevgeny Bar Lev <ykrivolapov at gmail.com> wrote:
> > Hello,
> > ModemManager is not able to connect to the port. Tried the solution
> > described here
> > https://www.freedesktop.org/software/ModemManager/api/1.8.0/ref-overview-modem-filter.html,
> > and it didn't help.
> > Help will be appreciated.
> > Best,
> > Yevgeny
> >
> > ~$ lsusb
> > Bus 002 Device 002: ID 1199:901f Sierra Wireless, Inc.
> >
> > systemctl status ModemManager.service
> > ● ModemManager.service - Modem Manager
> >    Loaded: loaded (/usr/lib/systemd/system/ModemManager.service; enabled;
> > vendor preset: disabled)
> >    Active: active (running) since Sat 2018-08-25 14:26:36 IDT; 33min ago
> >  Main PID: 3638 (ModemManager)
> >     Tasks: 3 (limit: 4915)
> >    Memory: 2.8M
> >    CGroup: /system.slice/ModemManager.service
> >            └─3638 /usr/bin/ModemManager
> >
> > Aug 25 14:31:05 arch ModemManager[3638]: spawning new mbim-proxy (try 1)...
> > Aug 25 14:31:05 arch ModemManager[3638]: [/dev/cdc-wdm0] Read max control
> > message size from descriptors file: 4096
> > Aug 25 14:31:05 arch ModemManager[3638]: [/dev/cdc-wdm0] unexpected port
> > hangup!
> > Aug 25 14:31:05 arch ModemManager[3638]: [/dev/cdc-wdm0] channel destroyed
> > Aug 25 14:31:06 arch ModemManager[3638]: <info>  Couldn't check support for
> > device '/sys/devices/pci0000:00/0000:00:19.0': not suppor>
> > Aug 25 14:31:06 arch ModemManager[3638]: <info>  Couldn't check support for
> > device '/sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0>
> > Aug 25 14:31:35 arch ModemManager[3638]: proxy configuration failed: closed
> > Aug 25 14:31:35 arch ModemManager[3638]: <info>  [device
> > /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4] creating modem with plugin
> > 'S>
> > Aug 25 14:31:35 arch ModemManager[3638]: <warn>  Could not grab port
> > (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsuppo>
> > Aug 25 14:31:35 arch ModemManager[3638]: <warn>  Couldn't create modem for
> > device '/sys/devices/pci0000:00/0000:00:14.0/usb2/2-4': Fa>
> > lines 1-19/19 (END)
> >
>
> What libmbim and ModemManager versions are you using?
>
>
> --
> Aleksander
> https://aleksander.es