XEN Host (Dom 0) using igb.ko driver will drop XEN guest (Dom U) packets when IPv4 TX checksum offload is enabled

This document (7003448) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 10 Service Pack 2


XEN Host (Dom 0) will corrupt XEN Guest (Dom U) network traffic during transmission to and from the physical interface under the following conditions:
1) XEN Host (Dom 0) is SLES 10 SP2 operating system.
2) The default SLES 10 SP2 Intel igb.ko driver is being used on the XEN Host (Dom 0).
3) IPv4 TX checksum is enabled on the XEN Guests (Dom U).
4) XEN Guests (Dom U) are using optimized paravirtualized NIC drivers.


Later versions of the igb driver will resolve the issue.  An updated version of the igb driver has been compiled for SLES 10 SP2 to resolve the issue.
The filenames are:

Additional Information


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7003448
  • Creation Date: 04-Jun-2009
  • Modified Date:14-Mar-2021
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback[at]suse.com

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.

SUSE Customer Support Quick Reference Guide SUSE Technical Support Handbook Update Advisories
Support FAQ

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center