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[Xen-API] XS 6.2 USB Network Adapter Problems

  • To: XEN List <xen-api@xxxxxxxxxxxxx>
  • From: Andrew Eross <eross@xxxxxxxxxxxx>
  • Date: Fri, 5 Jul 2013 09:33:13 +1000
  • Delivery-date: Thu, 04 Jul 2013 23:33:48 +0000
  • List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>

Hi guys,

I had a Mac Mini running XS 6.0.2 that used a USB network adapter for it's management interface.

Never any issues.

I've installed a clean XS 6.2 over it this morning, with no changes made to the hardware setup, just installed the new software.

Now the USB network adapter is no longer working properly, and is named "side-48348-eth1" instead of "eth1".

I've dug further into this and I think it's something to do with interface-rename.py/udev/net-rename-sideways.sh

net-rename-sideway.sh is correctly renaming the adapter to 'side-<random number-eth1' at start-up, which is normal

The problem seems to be that it doesn't get renamed back to eth1 later on like it's supposed to be.

I see "Later, an RC3 script will take these renamed devices and rename them correctly." inside net-rename-sideways.sh, but this doesn't seem to be happening.

I might've found a hint when I tried running interface-rename.py manually just to see what happens:

./interface-rename.py --rename
ERROR    [2013-07-05 09:30:46] Can't generate current state for interface '{'Driver': 'asix', 'Bus Info': 'usb-0000:00:1d.7-1.3', 'BIOS device': {'all_ethN': 'eth1', 'physical': ''}, 'Assigned MAC': '80:49:71:11:84:FC', 'Firmware version': 'ASIX AX88772 USB 2.0 Ethernet', 'Driver version': '14-Jun-2006', 'Kernel name': 'eth1'}' - Unrecognised PCI address 'usb-0000:00:1d.7-1.3'

Maybe some sub-system doesn't like the PCI address being a usb device? There must've been a change somewhere between XS 6.0.2 to 6.2 related to this?

Any ideas on a work-around / hopefully we can fix this in a future release?


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