Hi Wolfgang,
El 11/05/16 a las 10:35, Wolfgang Bumiller escribió:
On Mon, May 09, 2016 at 12:21:05PM +0200, Eneko Lacunza wrote:
Hi all,
We're trying to migrate a Windows server 2000 VMs, from a PVE 3.2 host with
kernel 2.6.32-28-pve to PVE 4.2 with kernel 4.4.6-1-pve .
This VM has a USB passtrough devide, a GSM modem:
Bus 003 Device 030: ID 1410:5010 Novatel Wireless
Sometimes it appears as 1410:4400 not 1410:5010 :) Don't know why is it
doing this funny ID changing.
Sounds like a usb_modeswitch thing. Many USB modems can appear as either
storage or modem with a command to make them switch, which also changes
their USB id. See if you have the usb-modeswitch / usb-modeswitch-data
packages installed. It comes with udev rules to automatically trigger
when the device is plugged in - if this behavior is enabled then you
should see it as one device first, and as the other device after a few
seconds. Perhaps host and guest are fighting over this? If you don't
need it you could probably remove it on the host, then the guest VM
would be responsible for making it switch between storage and modem
mode.
Thanks for the suggestion, didn't know about this package, but it is not
installed:
# dpkg -l|grep usb
ii libusb-0.1-4:amd64 2:0.1.12-25 amd64 userspace
USB programming library
ii libusb-1.0-0:amd64 2:1.0.19-1 amd64 userspace USB
programming library
ii libusbredirparser1:amd64 0.7-1 amd64 Parser for the
usbredir protocol (runtime)
ii usbutils 1:007-2 amd64 Linux USB utilities
So some other thing is happening. :)
Thanks
Eneko
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