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Bug 452818 - fully virtualized guests do not start when using routed xen configuration
Summary: fully virtualized guests do not start when using routed xen configuration
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: xen
Version: 5.2
Hardware: All
OS: Linux
Target Milestone: rc
: ---
Assignee: Xen Maintainance List
QA Contact: Virtualization Bugs
Depends On:
TreeView+ depends on / blocked
Reported: 2008-06-25 10:05 UTC by Martin Jürgens
Modified: 2009-12-14 21:26 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2008-07-11 13:50:02 UTC
Target Upstream Version:

Attachments (Terms of Use)

Description Martin Jürgens 2008-06-25 10:05:16 UTC
Description of problem:
Because of internal infrastructure, I cannot use bridged XEN configuration but
have to use routed XEN configuration instead. I have modified the xen config
file to use it, and it works fine for paravirtualized guests.

The problem is the following: When I try to start fully virtualized guests
having ip=xx.xx.xx.xx and no bridge set, they do not start with the following
error message:

Watching /local/domain/4/logdirty/next-active
/etc/xen/qemu-ifup: could not launch network script
Could not initialize device 'tap'

How reproducible:

Steps to Reproduce:
1. Switch to routed networking
2. Create fully virtualized guest
3. Start it
Actual results:
Does not start with error message above

Expected results:
Should start

Additional info:

Comment 1 Daniel Berrange 2008-07-11 13:50:02 UTC
The default network configuration script for HVM guests only supports bridged
networking configurations. 

If you want to use a non-bridged network, you will need to manually change the
/etc/xen/qemu-ifup script to handle your custom requirements.

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