On Wednesday, May 3, 2017 at 12:23:21 PM UTC-7, Piit wrote:
> Hello,
>
>
>
> I have a problem when working with Qubes OS 3.2 using my built-in
> LTE-Card (Sierra Wireless EM7345 4G LTE) - after a while the
> sys-net VM freezes and when killing the sys-net Net-VM and trying
> to restart I get an error message.
>
> The LTE-card is internally connected as an USB device and I'm
> adding the LTE-card to my sys-net via: qvm-usb -a sys-net
> sys-ub:3-10
>
> LTE is working without any problem, but after a while the sys-net
> freezes / I've send a ping from within sys-net to keep the LTE
> connection alive (I thought that I might run into powersafe issues
> for the lte card if I don't have an active connection - but this
> is not helping).
>
>
>
> When killiing the sys-net VM and trying to restart it I get an
> error message when the sys-net VM is trying to connect to the
> sys-firewall VM
>
>
>
>
> [USER@dom0 ~]$ qvm-start sys-net
>
> --> Creating volatile image:
> /var/lib/qubes/servicevms/sys-net/volatile.img...
>
> --> Loading the VM (type = NetVM)...
>
> --> Starting Qubes DB...
>
> --> Setting Qubes DB info for the VM...
>
> --> Updating firewall rules...
>
> --> Starting the VM...
>
> --> Starting the qrexec daemon...
>
> Waiting for VM's qrexec agent......connected
>
> --> Starting Qubes GUId...
>
> Connecting to VM's GUI agent: .connected
>
> --> Sending monitor layout...
>
> --> Waiting for qubes-session...
>
> --> Attaching network to 'sys-firewall'...
>
> Traceback (most recent call last):
>
> File "/usr/bin/qvm-start", line 136,
> in <module>
>
> main()
>
> File "/usr/bin/qvm-start", line 120,
> in main
>
> xid =
> vm.start(verbose=options.verbose,
> preparing_dvm=options.preparing_dvm, start_guid=not
> options.noguid, notify_function=tray_notify_generic if
> options.tray else None)
>
> File
> "/usr/lib64/python2.7/site-packages/qubes/modules/005QubesNetVm.py",
> line 143, in start
>
> vm.attach_network(wait=False)
>
> File
> "/usr/lib64/python2.7/site-packages/qubes/modules/000QubesVm.py",
> line 1725, in attach_network
>
> self._format_net_dev(self.ip,
> self.mac, self.netvm.name))
>
> File
> "/usr/lib64/python2.7/site-packages/libvirt.py", line 530, in
> attachDevice
>
> if ret == -1: raise libvirtError
> ('virDomainAttachDevice() failed', dom=self)
>
> libvirt.libvirtError: Ungültiges
> Argument: network device with mac 00:16:3e:5e:6c:06 already
> exists
>
>
>
> If I kill all other Net-VMs (sys-firewall and sys-usb) I can then
> start the sys-net without an error message, but an nearly
> identical error message for the sys-firewall VM.
>
>
>
> Any ideas where to look for the root cause of this problems and
> what might causing this problem. If i work over Wifi connection
> Qubes behaves rock solid.
>
> I could try to pass through ony of my internal USB controllers to
> which the LTE card is connected directly to the sys-net VM to get
> WWAN working without using the sys-usb VM, but this would also
> pass through some other USB devices likes camera / fingerprint
> reader to the sys-net.
>
> Also I like the concept of using a usb qube to separte my usb
> devices across several domains.
>
> kind regards
>
> - P
I've run into an issue where mine doesn't even maintain connection for some
reason (I haven't had the time to diagnose it) It connects and then disconnects
from sys-net.
It also does the same for any netvm that I try and connect it to.
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