telnet or rlogin session missing some characters and line breaks

This document (7011700) is provided subject to the disclaimer at the end of this document.

Environment


SUSE Linux Enterprise Desktop 11 Service Pack 2
SUSE Linux Enterprise Server 11 Service Pack 2

Situation

The update 7007 (patch-id) for the 'login' package (login-3.41-0.4.2), released on Dec-14-2012 might expose a problem in some servers that use telnetd and rlogind.

Telnet or rlogin sessions to servers that applied the update might show symptoms like missing characters and/or line breaks.

Resolution

A kernel that fixes this issue was released on Feb-08-2013. Please update to kernel version >= 3.0.58-0.6.2.1


Cause

The bugfix for the 'login' Package, which forces to drop all references to a TTY which want to hangup (to reach reference count 1), has revealed a long lasting kernel issue (reset TTY packet mode). The PTF Kernel fixes this issue and do not reset the packet mode any longer.

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:7011700
  • Creation Date: 25-Jan-2013
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Desktop
    • SUSE Linux Enterprise Server

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