>Number: 183139
>Category: kern
>Synopsis: ifconfig options on xn0 lost after xen vm migration to another
>server
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Oct 21 00:50:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Adam McDougall
>Release: 9.2-PRERELEASE
>Organization:
>Environment:
FreeBSD hostname 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #0 r255480: Wed Sep 11
19:30:27 EDT 2013 root@build9:/usr/obj/proto/src9/src/sys/AMD64-9 amd64
>Description:
If I change the "options" on any of the xn network interfaces with ifconfig
then perform a xenmotion, the options are reset to default after the xenmotion.
This is on a server with XenServer 6.0.2 running fairly recent patches. I
plan to re-test on XenServer 6.2 but we don't have a pool setup yet. I'd test
on FreeBSD 10 but xen-tools needs to be built with gcc instead of clang and I
haven't put much effort into that yet.
>How-To-Repeat:
# ifconfig xn0
xn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=503<RXCSUM,TXCSUM,TSO4,LRO>
# ifconfig xn0 -rxcsum
# ifconfig xn0 -lro
# ifconfig xn0
xn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=102<TXCSUM,TSO4>
(perform xenmotion)
# ifconfig xn0
xn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=503<RXCSUM,TXCSUM,TSO4,LRO>
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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