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Feature #9930

closed

uts: kmdb should use "diag-device" when set

Added by Toomas Soome almost 3 years ago. Updated over 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
kernel
Start date:
2018-10-26
Due date:
% Done:

100%

Estimated time:
Difficulty:
Medium
Tags:
Gerrit CR:

Description

When the diag-device boot property is set, kmdb should appear on the diag device instead of the regular console -- even after the loading of the console drivers disables early boot mirroring. This enables the engineer to use the serial port for the debugger while the regular console is on the framebuffer, enabling debugging of the framebuffer console software itself.

This change also documents the diag-device property in eeprom(1M).


Related issues

Related to illumos gate - Feature #9929: uts: boot console mirror with diag-deviceClosedToomas Soome2018-10-26

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