Pagecache bug can lead to hangs on SLES for SAP

This document (7023976) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 12 for SAP Applications Service Pack 4

Situation

A bug has been identified in the pagecache mechanism which can cause servers to hang.
 
The symptom often presents it's self as very heavy I/O with blocked processes awaiting opportunity to make file updates.

Resolution

A patch for this issue was released in kernel 4.12.14-95.24.1  (2019-07-15).

Please update to this kernel or preferably the latest maintenance kernel.

Cause

Bug in pagecache mechanism.
 

Additional Information

This issue only existed in SLES for SAP 12 SP4
 
 

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:7023976
  • Creation Date: 26-Jun-2019
  • Modified Date:15-Jul-2020
    • SUSE Linux Enterprise Server for SAP Applications

< 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