Garbled text on serial console seen while system enters single user mode, but OBP console text and multi-user mode console text is legible. (Doc ID 1512981.1)

Last updated on JULY 17, 2017

Applies to:

Solaris Operating System - Version 10 10/08 U6 and later
Information in this document applies to any platform.

Symptoms

When booting the system via a serial console:

1. OBP text on the screen is legible
2. when system enters single user mode, screen text is garbled
3. when system enters multiuser mode, the screen text is again legible. 

Changes

 The file /etc/ioctl.syscon has either been edited, or has become corrupted.

Cause

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