Bug 452818 - fully virtualized guests do not start when using routed xen configuration
fully virtualized guests do not start when using routed xen configuration
Status: CLOSED WONTFIX
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: xen (Show other bugs)
5.2
All Linux
low Severity low
: rc
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Assigned To: Xen Maintainance List
Virtualization Bugs
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Depends On:
Blocks:
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Reported: 2008-06-25 06:05 EDT by Martin Jürgens
Modified: 2009-12-14 16:26 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2008-07-11 09:50:02 EDT
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Description Martin Jürgens 2008-06-25 06:05:16 EDT
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:
Always

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 09:50:02 EDT
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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