Time drift on a SLES 10 / SLES 11 Guest running on Hyper-V

This document (7008125) is provided subject to the disclaimer at the end of this document.

Environment

Microsoft Windows 2008 Hyper-V Host
SUSE Linux Enterprise Server 10 Service Pack 3 Guest
SUSE Linux Enterprise Server 11 Service Pack 1 Guest
 

Situation

SUSE Linux Enterprise Server 10 SP3 Guest is experiencing time drift
SUSE Linux Enterprise Server 11 SP1 Guest is experiencing time drift

Resolution

For an SLES 10 Guest:
Update the kernel to AT LEAST SLES 10 SP3 version 2.6.16.60-0.74.7

For a SLES 11 SP1 Guest:
Update the kernel (and corresponding hyper-v-kmp package) to AT LEAST version 2.6.32.29-0.3
 

Additional Information

Prior to SLES 11 SP1 kernel version 2.6.32.29-0.3 and the corresponding hyper-v-kmp package, the hv_timesource LIS module was not always loading.

To verify what hv_ modules are loading run the following command as root user:

lsmod | grep hv

The following modules should be loaded:
hv_utils                3185  0
hv_timesource           1311  0 [permanent]
hv_storvsc             19663  0
hv_netvsc              30622  0
hv_blkvsc              26542  3
hv_vmbus               50934  4 hv_utils,hv_storvsc,hv_netvsc,hv_blkvsc
scsi_mod              184102  3 hv_storvsc,hv_blkvsc,libata
 

Disclaimer

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:7008125
  • Creation Date: 14-Mar-2011
  • Modified Date:24-Nov-2020
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback@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