amd64/139423: Networking does not work on amd64 guest on Parallels Desktop

David Evans dave.evans55 at
Thu Oct 8 10:30:02 UTC 2009

>Number:         139423
>Category:       amd64
>Synopsis:       Networking does not work on amd64 guest on Parallels Desktop
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct 08 10:30:01 UTC 2009
>Originator:     David Evans
>Release:        8.0-RC1 ( RELENG_8)
8.0-RC1 amd64 GENERIC
ifconfig ed0 

results in instantaneous death of FreeBSD running
as a AMD64 guest on Parallels Desktop.  Desktop
offers to send a bug report to Parallels, which I did.

There are no error messages from FreeBSD.  Desktop does not
give it a chance to output anything.

I do not think FreeBSD is at fault in this bug. There is most likely a problem
with Desktop.

An i386 guest compiled with the identical /usr/src works perfectly.

I submit this report in the hope that someone skilled in Kernel debugging will
be able to nail down the exact instruction that is causing the problem.

Version Information:
 /usr/src checked out using RELENG_8 tag. CVSUPed on October 2 2009 at 21:00 UTC (approx).

Parallels Desktop 4.0 Build 4.0.3846

Host: OS X 10.6.1 (Snow Leopard)
Intel Core 2 Duo

ifconfig ed0

Desktop is set-up for Bridged Networking. It is emulating a 
RTL8029 Ethernet chip. ed0 is its freeBSD driver.


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