[lxc-users] passthrough of usb 433mHz transceiver
Serge Hallyn
serge.hallyn at ubuntu.com
Tue Oct 13 13:55:29 UTC 2015
Don't know anything about it, but I'd try stracing the software
to see whether there are any EACESS or EPERMs or whether there
are any other paths under /dev or /sys which get ENOENT and
should be bind-mounted in.
Quoting JPS (mailbox at jsierink.nl):
> I have a rfxcom 433 mHz transceiver (http://www.rfxcom.com/epages/78165469.sf/nl_NL/?ObjectPath=/Shops/78165469/Products/14103).
> It is connected via usb and controls some domotica switches on the
> 433mHz frequency.
>
> In the domotica software is shows up as serial device on /dev/ttyUSB0
>
> I can't get it to work properly in a lxc container running debian
> jessie.
>
> I added this to the lxc.conf, but with no luck:
> lxc.cgroup.devices.allow: c 189:* rwm
> lxc.mount.entry: /dev/bus/usb/002 dev/bus/usb/002 none
> bind,optional,create=dir
> lxc.mount.entry: /dev/ttyUSB0 dev/ttyUSB0 none bind,optional,create=file
>
> Then i gave following command on the host (debian jessie):
> lxc-device add -n 112 /dev/ttyUSB0 /dev/ttyUSB0
>
> Now the device shows up in the lxc container, but now the domotica
> software can only transmit signals, not receive.
>
> On the host:
> root at server:~# lsusb
> Bus 002 Device 005: ID 0403:6001 Future Technology Devices
> International, Ltd FT232 USB-Serial (UART) ICroot at proxmox:~# ls -l
>
> root at server:~/dev/bus/usb/002/005
> crw-rw-r-- 1 root root 189, 132 Oct 10 14:09 /dev/bus/usb/002/005
>
>
> Any idea how to solve this?
>
> Regards, Jasper
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