one of my clients started playing around with vitual machine images on
VMware player, VMware server (free edition) and Virtualbox. we tried
hosting ready-made images from the net as well as local installs of
Ubuntu 7.10, 8.04 and Fedora8 with an XPO machine as host. in all cases
we add a few packages (not upgrading kernel), reboot and find that we
have no real LAN connection. ethtool shows link is up but no DHCP
replies are coming. I bumped into Network-Manager there and could not
figure out where it stores the configs so on the Ubuntu I ust removed it
(and saw the eth definition show up in /etc/network/interfaces instead,
yay!), but a reboot left me still with no LAN connection.

I thought it was the VMware tools I compiled, but the same happend on
Virtualbox! and both before and after the reboot, it was the same
pcnet32 driver, taking it out and insmodding again made no difference.

then I accidentaly discovered booting at Single-luser mode left me with
working LAN and dhcp, which worked if I then continued to runlevel 2
(Ubuntu), but booting to runlevel2 the normal way left me disconnected
again. this is REPEATABLE.

till I find a solution, I told the guy to boot to "recovery mode" and
just hit "ctrl-D" at the single-user-mode prompt, and then LAN works.

anyone got an explanation for this extremely odd behvior?!

-- 
The Smartest Man on Earth
Ira Abramov
http://ira.abramov.org/email/

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