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
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