I think I get all working with this setup : in lxc config : raw.lxc: |-
lxc.mount.entry=/sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/net/wwan0 sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/net/wwan0 none bind,optional,create=dir devices: cdc-wdm0: gid: "20" mode: "0666" path: /dev/cdc-wdm0 source: /dev/cdc-wdm0 type: unix-char ttyACM0: gid: "20" mode: "0666" path: /dev/ttyACM0 source: /dev/ttyACM0 type: unix-char usb_modem: gid: "0" productid: a001 type: usb uid: "0" vendorid: "1199" wwan0: name: wwan0 nictype: physical parent: wwan0 type: nic then in container (for each reboot): create : /var/lib/cloud/scripts/per-boot/LTE_udev_helper.sh #!/bin/bash service ModemManager stop udevadm test /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/usbmisc/cdc-wdm0 udevadm test /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.2/tty/ttyACM0 udevadm test /sys/class/net/wwan0 sleep 1 service ModemManager start Off course you had to adapte the usb path with your environement, maybe a special hook in usb dev ?! and it seems ok (detection is a little slow)... I'm starting my tests on this setup (LTE Connect OK, SMS Ok). Regards Nicolas F. Le ven. 4 sept. 2020 à 19:40, Nicolas FOURNIL <nicolas.four...@gmail.com> a écrit : > Hello > > I'm trying dealing with modemmanager and unprivilived container... what I > have done : > - creating /dev/ttyACM0 > - creation /dev/cdc-wdm0 > - sysfs entry to host /sys for this USB device > > To get the correct udev flags (ID_MM_DEVICE_PROCESS=1 & ID_MM_CANDIDATE=1) > ...if there's better you're welcome!) : > udevadm test > /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/usbmisc/cdc-wdm0 > udevadm test > /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.2/tty/ttyACM0 > > Then I had a start of locating modem ... but It failed when trying to > attach mbim interface (wwan0 to cdc-wdm0) : > > ModemManager[374]: <debug> [1599237879.432413] Modem (Sierra) > '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-2' completely disposed > ModemManager[374]: <warn> [1599237879.432446] Couldn't create modem for > device '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-2': Failed to find a > net port in the MBIM modem > > To my investigations, there's an entry in > /sys/devices/pci0000\:00/0000\:00\:14.0/usb1/1-2/1-2\:1.0/net/wwan0 who is > linked by /sys/class/net/wwan0 -> > ../../devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/net/wwan0/ and this > is what modem manager is seeking. > > And I haven't found how to import this network interface (wwan0 is like an > ethernet device) directly inside the container without broke this link (yes > tried to simply attach wwan0 to container of course... and is totaly ignore > because not udev flagged and not "real" wwan0 but macvlan...) > > Thanks for your help > > Nicolas F. > > > >
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